[PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Yinghai Lu]

Now we have limit kdump reseved under 896M, because kexec has the limitation.
and also bzImage need to stay under 4g.

To make kexec/kdump could use range above 4g, we need to make bzImage and
ramdisk could be loaded above 4g.
During booting bzImage will be unpacked on same postion and stay high.

The patches add fields in setup_header and boot_params to
1. get info about ramdisk position info above 4g from bootloader/kexec
2. get info about cmd_line_ptr info above 4g from bootloader/kexec
3. set xloadflags bit0 in header for bzImage and bootloader/kexec load
   could check that to decide if it could to put bzImage high.
4. use sentinel to make sure ext_* fields in boot_params could be used.

This patches is tested with kexec tools with local changes and they are sent
to kexec list later.

could be found at:

        git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-x86-boot

and it is on top of linus's tree 2012-12-17
plus tip:x86/mm, tip:x86/urgent, tip:x86/mm2

-v2: add ext_cmd_line_ptr support, and handle boot_param/cmd_line is above
     4G case.
-v3: according to hpa, use xloadflags instead code32_start_offset.
     0x200 will not be changed...
-v4: move ext_ramdisk_image/ext_ramdisk_size/ext_cmd_line_ptr to boot_params.
     add handling cross GB boundary case.
-v5: put spare pages in BRK,so could avoid wasting about 4 pages.
     add check for bit USE_EXT_BOOT_PARAMS in xloadflags
-v6: use sentinel according to HPA
     add kdump load high support.
-v7: move sentinel from 0x1f0 to 0x1ef... according to HPA.
     Use HPA's #PF handler version instead of ioremap.

H. Peter Anvin (1):
  x86, 64bit: early #PF handler set page table

Yinghai Lu (26):
  x86, mm: Fix page table early allocation offset checking
  x86, mm: make pgd next calculation consistent with pud/pmd
  x86, realmode: set real_mode permissions early
  x86, realmode: use init_level4_pgt to set trapmoline_pgt directly
  x86, realmode: Separate real_mode reserve and setup
  x86, 64bit: Print init kernel lowmap correctly
  x86: Merge early_reserve_initrd for 32bit and 64bit
  x86: add get_ramdisk_image/size()
  x86, boot: add get_cmd_line_ptr()
  x86, boot: move checking of cmd_line_ptr out of common path
  x86, boot: pass cmd_line_ptr with unsigned long
  x86, boot: move verify_cpu.S and no_longmode after 0x200
  x86, boot: Move lldt/ltr out of 64bit code section
  x86, kexec: remove 1024G limitation for kexec buffer on 64bit
  x86, kexec: set ident mapping for kernel that is above max_pfn
  x86, kexec: Merge ident_mapping_init and init_level4_page
  x86, kexec: only set ident mapping for ram.
  x86, boot: add fields to support load bzImage and ramdisk above 4G
  x86, boot: update comments about entries for 64bit image
  x86, boot: Not need to check setup_header version
  mm: Add alloc_bootmem_low_pages_nopanic()
  x86: Don't panic if can not alloc buffer for swiotlb
  x86: Add swiotlb force off support
  x86, kdump: remove crashkernel range find limit for 64bit
  x86: add Crash kernel low reservation
  x86: Merge early kernel reserve for 32bit and 64bit

 Documentation/kernel-parameters.txt     |   10 ++
 Documentation/x86/boot.txt              |   53 ++++++-
 Documentation/x86/zero-page.txt         |    4 +
 arch/x86/boot/boot.h                    |   18 ++-
 arch/x86/boot/cmdline.c                 |   12 +-
 arch/x86/boot/compressed/cmdline.c      |   12 +-
 arch/x86/boot/compressed/head_64.S      |   48 ++++---
 arch/x86/boot/compressed/misc.c         |   12 ++
 arch/x86/boot/header.S                  |   12 +-
 arch/x86/boot/setup.ld                  |    7 +
 arch/x86/include/asm/kexec.h            |    6 +-
 arch/x86/include/asm/page.h             |    4 +
 arch/x86/include/asm/pgtable_64_types.h |    4 +
 arch/x86/include/asm/processor.h        |    1 +
 arch/x86/include/asm/realmode.h         |    3 +-
 arch/x86/include/uapi/asm/bootparam.h   |   13 +-
 arch/x86/kernel/head32.c                |   20 ---
 arch/x86/kernel/head64.c                |  115 +++++++++++-----
 arch/x86/kernel/head_64.S               |  202 +++++++++++++++------------
 arch/x86/kernel/machine_kexec_64.c      |  228 ++++++++++++++-----------------
 arch/x86/kernel/pci-swiotlb.c           |   15 +-
 arch/x86/kernel/setup.c                 |  140 ++++++++++++++-----
 arch/x86/kernel/traps.c                 |    9 ++
 arch/x86/mm/init.c                      |   11 +-
 arch/x86/mm/init_64.c                   |   12 +-
 arch/x86/realmode/init.c                |   37 +++--
 drivers/iommu/amd_iommu.c               |    1 +
 include/linux/bootmem.h                 |    5 +
 include/linux/kexec.h                   |    3 +
 include/linux/swiotlb.h                 |    3 +-
 kernel/kexec.c                          |   34 ++++-
 lib/swiotlb.c                           |   20 ++-
 mm/bootmem.c                            |    8 ++
 mm/nobootmem.c                          |    8 ++
 34 files changed, 713 insertions(+), 377 deletions(-)

-- 
1.7.10.4

[PATCH v7 01/27] x86, mm: Fix page table early allocation offset checking

[Yinghai Lu]

During debug load kernel above 4G, found one page if is not used in BRK
and it should be with early page allocation.

Fix that checking and also add print out for every allocation from BRK

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/mm/init.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 6f85de8..c4293cf 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -47,7 +47,7 @@ __ref void *alloc_low_pages(unsigned int num)
 						__GFP_ZERO, order);
 	}
 
-	if ((pgt_buf_end + num) >= pgt_buf_top) {
+	if ((pgt_buf_end + num) > pgt_buf_top) {
 		unsigned long ret;
 		if (min_pfn_mapped >= max_pfn_mapped)
 			panic("alloc_low_page: ran out of memory");
@@ -61,6 +61,8 @@ __ref void *alloc_low_pages(unsigned int num)
 	} else {
 		pfn = pgt_buf_end;
 		pgt_buf_end += num;
+		printk(KERN_DEBUG "BRK [%#010lx, %#010lx] PGTABLE\n",
+			pfn << PAGE_SHIFT, (pgt_buf_end << PAGE_SHIFT) - 1);
 	}
 
 	for (i = 0; i < num; i++) {
-- 
1.7.10.4

[PATCH v7 02/27] x86, mm: make pgd next calculation consistent with pud/pmd

[Yinghai Lu]

Just like PUD_SIZE, and PMD_SIZE next calculation, aka
round down and add size.

also remove not need next checking, just pass end instead.
later phys_pud_init uses PTRS_PER_PUD checking to exit early
if end is too big.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/mm/init_64.c |    6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 167439c..b1178eb 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -530,9 +530,7 @@ kernel_physical_mapping_init(unsigned long start,
 		pgd_t *pgd = pgd_offset_k(start);
 		pud_t *pud;
 
-		next = (start + PGDIR_SIZE) & PGDIR_MASK;
-		if (next > end)
-			next = end;
+		next = (start & PGDIR_MASK) + PGDIR_SIZE;
 
 		if (pgd_val(*pgd)) {
 			pud = (pud_t *)pgd_page_vaddr(*pgd);
@@ -542,7 +540,7 @@ kernel_physical_mapping_init(unsigned long start,
 		}
 
 		pud = alloc_low_page();
-		last_map_addr = phys_pud_init(pud, __pa(start), __pa(next),
+		last_map_addr = phys_pud_init(pud, __pa(start), __pa(end),
 						 page_size_mask);
 
 		spin_lock(&init_mm.page_table_lock);
-- 
1.7.10.4

[PATCH v7 03/27] x86, realmode: set real_mode permissions early

[Yinghai Lu]

We need to set trampoline code to EXEC early before we do smp
AP bootings.

Found the problem after switching to #PF handler set page table.

Change to use  early_initcall instead.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/realmode/init.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c
index 8045026..0b7e840 100644
--- a/arch/x86/realmode/init.c
+++ b/arch/x86/realmode/init.c
@@ -111,5 +111,4 @@ static int __init set_real_mode_permissions(void)
 
 	return 0;
 }
-
-arch_initcall(set_real_mode_permissions);
+early_initcall(set_real_mode_permissions);
-- 
1.7.10.4

[PATCH v7 04/27] x86, realmode: use init_level4_pgt to set trapmoline_pgt directly

[Yinghai Lu]

with #PF handler way to set early page table, level3_ident will go away.

So just use entry in init_level4_pgt to set them

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/realmode/init.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c
index 0b7e840..815eec1 100644
--- a/arch/x86/realmode/init.c
+++ b/arch/x86/realmode/init.c
@@ -78,8 +78,8 @@ void __init setup_real_mode(void)
 	*trampoline_cr4_features = read_cr4();
 
 	trampoline_pgd = (u64 *) __va(real_mode_header->trampoline_pgd);
-	trampoline_pgd[0] = __pa_symbol(level3_ident_pgt) + _KERNPG_TABLE;
-	trampoline_pgd[511] = __pa_symbol(level3_kernel_pgt) + _KERNPG_TABLE;
+	trampoline_pgd[0] = init_level4_pgt[pgd_index(__PAGE_OFFSET)].pgd;
+	trampoline_pgd[511] = init_level4_pgt[511].pgd;
 #endif
 }
 
-- 
1.7.10.4

[PATCH v7 05/27] x86, realmode: Separate real_mode reserve and setup

[Yinghai Lu]

After we switch to use #PF handler help to set page table, init_level4_pgt
will have entries set after init_mem_mapping.
We need to move coping init_level4_pgt to trampoline_pgd after than.

So separate reserve_real_mode out

Move the setup after init_mem_mapping()

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/include/asm/realmode.h |    3 ++-
 arch/x86/kernel/setup.c         |    4 +++-
 arch/x86/realmode/init.c        |   30 +++++++++++++++++++-----------
 3 files changed, 24 insertions(+), 13 deletions(-)

diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h
index fe1ec5b..9c6b890 100644
--- a/arch/x86/include/asm/realmode.h
+++ b/arch/x86/include/asm/realmode.h
@@ -58,6 +58,7 @@ extern unsigned char boot_gdt[];
 extern unsigned char secondary_startup_64[];
 #endif
 
-extern void __init setup_real_mode(void);
+void reserve_real_mode(void);
+void setup_real_mode(void);
 
 #endif /* _ARCH_X86_REALMODE_H */
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 81ea5a5..01b22d0 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -913,10 +913,12 @@ void __init setup_arch(char **cmdline_p)
 	printk(KERN_DEBUG "initial memory mapped: [mem 0x00000000-%#010lx]\n",
 			(max_pfn_mapped<<PAGE_SHIFT) - 1);
 
-	setup_real_mode();
+	reserve_real_mode();
 
 	init_mem_mapping();
 
+	setup_real_mode();
+
 	memblock.current_limit = get_max_mapped();
 	dma_contiguous_reserve(0);
 
diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c
index 815eec1..8893bae 100644
--- a/arch/x86/realmode/init.c
+++ b/arch/x86/realmode/init.c
@@ -8,9 +8,26 @@
 struct real_mode_header *real_mode_header;
 u32 *trampoline_cr4_features;
 
-void __init setup_real_mode(void)
+void __init reserve_real_mode(void)
 {
 	phys_addr_t mem;
+	unsigned char *base;
+	size_t size = PAGE_ALIGN(real_mode_blob_end - real_mode_blob);
+
+	/* Has to be in very low memory so we can execute real-mode AP code. */
+	mem = memblock_find_in_range(0, 1<<20, size, PAGE_SIZE);
+	if (!mem)
+		panic("Cannot allocate trampoline\n");
+
+	base = __va(mem);
+	memblock_reserve(mem, size);
+	real_mode_header = (struct real_mode_header *) base;
+	printk(KERN_DEBUG "Base memory trampoline at [%p] %llx size %zu\n",
+	       base, (unsigned long long)mem, size);
+}
+
+void __init setup_real_mode(void)
+{
 	u16 real_mode_seg;
 	u32 *rel;
 	u32 count;
@@ -25,16 +42,7 @@ void __init setup_real_mode(void)
 	u64 efer;
 #endif
 
-	/* Has to be in very low memory so we can execute real-mode AP code. */
-	mem = memblock_find_in_range(0, 1<<20, size, PAGE_SIZE);
-	if (!mem)
-		panic("Cannot allocate trampoline\n");
-
-	base = __va(mem);
-	memblock_reserve(mem, size);
-	real_mode_header = (struct real_mode_header *) base;
-	printk(KERN_DEBUG "Base memory trampoline at [%p] %llx size %zu\n",
-	       base, (unsigned long long)mem, size);
+	base = (unsigned char *)real_mode_header;
 
 	memcpy(base, real_mode_blob, size);
 
-- 
1.7.10.4

[PATCH v7 06/27] x86, 64bit: early #PF handler set page table

[Yinghai Lu]

From: "H. Peter Anvin" <hpa@zytor.com>

two use cases:
1. We will support load and run kernel above 4G, and zero_page, ramdisk
   will be above 4G, too
2. need to access ramdisk early to get microcode to update that as
   early possible.

We could use early_iomap to access them, but it will make code to
messy and hard to unified with 32bit.

So here comes #PF handler to set page page.

When #PF happen, handler will use pages in __initdata to set page page
to cover accessed page.

those code and page in __INIT sections, so will not increase ram usages.

The good point is: with help of #PF handler, we can set kernel mapping
from blank, and switch to init_level4_pgt later.

switchover in head_64.S is only using three page to handle kernel
crossing 1G, 512G with shareing page, most insteresting part.

early_make_pgtable is using kernel high mapping address to access pages
to set page table.

-v4: Add phys_base offset to make kexec happy, and add
	init_mapping_kernel()   - Yinghai
-v5: fix compiling with xen, and add back ident level3 and level2 for xen
     also move back init_level4_pgt from BSS to DATA again.
     because we have to clear it anyway.  - Yinghai
-v6: switch to init_level4_pgt in init_mem_mapping. - Yinghai
-v7: remove not needed clear_page for init_level4_page
     it is with fill 512,8,0 already in head_64.S  - Yinghai
-v8: we need to keep that handler alive until init_mem_mapping and don't
     let early_trap_init to trash that early #PF handler.
     So split early_trap_pf_init out and move it down. - Yinghai
-v9: switchover only cover kernel space instead of 1G so could avoid
     touch possible mem holes. - Yinghai

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/include/asm/pgtable_64_types.h |    4 +
 arch/x86/include/asm/processor.h        |    1 +
 arch/x86/kernel/head64.c                |   79 ++++++++++--
 arch/x86/kernel/head_64.S               |  202 +++++++++++++++++--------------
 arch/x86/kernel/setup.c                 |    2 +
 arch/x86/kernel/traps.c                 |    9 ++
 arch/x86/mm/init.c                      |    3 +-
 7 files changed, 204 insertions(+), 96 deletions(-)

diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h
index 766ea16..2d88344 100644
--- a/arch/x86/include/asm/pgtable_64_types.h
+++ b/arch/x86/include/asm/pgtable_64_types.h
@@ -1,6 +1,8 @@
 #ifndef _ASM_X86_PGTABLE_64_DEFS_H
 #define _ASM_X86_PGTABLE_64_DEFS_H
 
+#include <asm/sparsemem.h>
+
 #ifndef __ASSEMBLY__
 #include <linux/types.h>
 
@@ -60,4 +62,6 @@ typedef struct { pteval_t pte; } pte_t;
 #define MODULES_END      _AC(0xffffffffff000000, UL)
 #define MODULES_LEN   (MODULES_END - MODULES_VADDR)
 
+#define EARLY_DYNAMIC_PAGE_TABLES	64
+
 #endif /* _ASM_X86_PGTABLE_64_DEFS_H */
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 888184b..a0b58dd 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -731,6 +731,7 @@ extern void enable_sep_cpu(void);
 extern int sysenter_setup(void);
 
 extern void early_trap_init(void);
+extern void early_trap_pf_init(void);
 
 /* Defined in head.S */
 extern struct desc_ptr		early_gdt_descr;
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 7b215a5..cac61dc 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -26,11 +26,72 @@
 #include <asm/e820.h>
 #include <asm/bios_ebda.h>
 
-static void __init zap_identity_mappings(void)
+/*
+ * Manage page tables very early on.
+ */
+extern pgd_t early_level4_pgt[PTRS_PER_PGD];
+extern pmd_t early_dynamic_pgts[EARLY_DYNAMIC_PAGE_TABLES][PTRS_PER_PMD];
+static unsigned int __initdata next_early_pgt = 2;
+
+/* Wipe all early page tables except for the kernel symbol map */
+static void __init reset_early_page_tables(void)
 {
-	pgd_t *pgd = pgd_offset_k(0UL);
-	pgd_clear(pgd);
-	__flush_tlb_all();
+	unsigned long i;
+
+	for (i = 0; i < PTRS_PER_PGD-1; i++)
+		early_level4_pgt[i].pgd = 0;
+
+	next_early_pgt = 0;
+
+	write_cr3(__pa(early_level4_pgt));
+}
+
+/* Create a new PMD entry */
+int __init early_make_pgtable(unsigned long address)
+{
+	unsigned long physaddr = address - __PAGE_OFFSET;
+	unsigned long i;
+	pgdval_t pgd, *pgd_p;
+	pudval_t *pud_p;
+	pmdval_t pmd, *pmd_p;
+
+
+	/* Invalid address or early pgt is done ?  */
+	if (physaddr >= MAXMEM || read_cr3() != __pa(early_level4_pgt))
+		return -1;
+
+	pgd_p = &early_level4_pgt[pgd_index(address)].pgd;
+	pgd = *pgd_p;
+
+	/*
+	 * The use of __START_KERNEL_map rather than __PAGE_OFFSET here is
+	 * critical -- __PAGE_OFFSET would point us back into the dynamic
+	 * range and we might end up looping forever...
+	 */
+	if (pgd && next_early_pgt < EARLY_DYNAMIC_PAGE_TABLES) {
+		pud_p = (pudval_t *)((pgd & PTE_PFN_MASK) + __START_KERNEL_map - phys_base);
+	} else {
+		if (next_early_pgt >= EARLY_DYNAMIC_PAGE_TABLES-1)
+			reset_early_page_tables();
+
+		pud_p = (pudval_t *)early_dynamic_pgts[next_early_pgt++];
+		for (i = 0; i < PTRS_PER_PUD; i++)
+			pud_p[i] = 0;
+
+		*pgd_p = (pgdval_t)pud_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE;
+	}
+	pud_p += pud_index(address);
+
+	pmd_p = (pmdval_t *)early_dynamic_pgts[next_early_pgt++];
+	pmd = (physaddr & PUD_MASK) + (__PAGE_KERNEL_LARGE & ~_PAGE_GLOBAL);
+	for (i = 0; i < PTRS_PER_PMD; i++) {
+		pmd_p[i] = pmd;
+		pmd += PMD_SIZE;
+	}
+
+	*pud_p = (pudval_t)pmd_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE;
+
+	return 0;
 }
 
 /* Don't add a printk in there. printk relies on the PDA which is not initialized 
@@ -70,12 +131,13 @@ void __init x86_64_start_kernel(char * real_mode_data)
 				(__START_KERNEL & PGDIR_MASK)));
 	BUILD_BUG_ON(__fix_to_virt(__end_of_fixed_addresses) <= MODULES_END);
 
+	/* Kill off the identity-map trampoline */
+	reset_early_page_tables();
+
 	/* clear bss before set_intr_gate with early_idt_handler */
 	clear_bss();
 
-	/* Make NULL pointers segfault */
-	zap_identity_mappings();
-
+	/* XXX - this is wrong... we need to build page tables from scratch */
 	max_pfn_mapped = KERNEL_IMAGE_SIZE >> PAGE_SHIFT;
 
 	for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) {
@@ -90,6 +152,9 @@ void __init x86_64_start_kernel(char * real_mode_data)
 	if (console_loglevel == 10)
 		early_printk("Kernel alive\n");
 
+	/* set init_level4_pgt kernel high mapping*/
+	init_level4_pgt[511] = early_level4_pgt[511];
+
 	x86_64_start_reservations(real_mode_data);
 }
 
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 980053c..17a31a5 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -47,14 +47,13 @@ L3_START_KERNEL = pud_index(__START_KERNEL_map)
 	.code64
 	.globl startup_64
 startup_64:
-
 	/*
 	 * At this point the CPU runs in 64bit mode CS.L = 1 CS.D = 1,
 	 * and someone has loaded an identity mapped page table
 	 * for us.  These identity mapped page tables map all of the
 	 * kernel pages and possibly all of memory.
 	 *
-	 * %esi holds a physical pointer to real_mode_data.
+	 * %rsi holds a physical pointer to real_mode_data.
 	 *
 	 * We come here either directly from a 64bit bootloader, or from
 	 * arch/x86_64/boot/compressed/head.S.
@@ -66,7 +65,8 @@ startup_64:
 	 * tables and then reload them.
 	 */
 
-	/* Compute the delta between the address I am compiled to run at and the
+	/*
+	 * Compute the delta between the address I am compiled to run at and the
 	 * address I am actually running at.
 	 */
 	leaq	_text(%rip), %rbp
@@ -78,45 +78,62 @@ startup_64:
 	testl	%eax, %eax
 	jnz	bad_address
 
-	/* Is the address too large? */
-	leaq	_text(%rip), %rdx
-	movq	$PGDIR_SIZE, %rax
-	cmpq	%rax, %rdx
-	jae	bad_address
-
-	/* Fixup the physical addresses in the page table
+	/*
+	 * Is the address too large?
 	 */
-	addq	%rbp, init_level4_pgt + 0(%rip)
-	addq	%rbp, init_level4_pgt + (L4_PAGE_OFFSET*8)(%rip)
-	addq	%rbp, init_level4_pgt + (L4_START_KERNEL*8)(%rip)
+	leaq	_text(%rip), %rax
+	shrq	$MAX_PHYSMEM_BITS, %rax
+	jnz	bad_address
 
-	addq	%rbp, level3_ident_pgt + 0(%rip)
+	/*
+	 * Fixup the physical addresses in the page table
+	 */
+	addq	%rbp, early_level4_pgt + (L4_START_KERNEL*8)(%rip)
 
 	addq	%rbp, level3_kernel_pgt + (510*8)(%rip)
 	addq	%rbp, level3_kernel_pgt + (511*8)(%rip)
 
 	addq	%rbp, level2_fixmap_pgt + (506*8)(%rip)
 
-	/* Add an Identity mapping if I am above 1G */
+	/*
+	 * Set up the identity mapping for the switchover.  These
+	 * entries should *NOT* have the global bit set!  This also
+	 * creates a bunch of nonsense entries but that is fine --
+	 * it avoids problems around wraparound.
+	 */
 	leaq	_text(%rip), %rdi
-	andq	$PMD_PAGE_MASK, %rdi
+	leaq	early_level4_pgt(%rip), %rbx
 
 	movq	%rdi, %rax
-	shrq	$PUD_SHIFT, %rax
-	andq	$(PTRS_PER_PUD - 1), %rax
-	jz	ident_complete
+	shrq	$PGDIR_SHIFT, %rax
 
-	leaq	(level2_spare_pgt - __START_KERNEL_map + _KERNPG_TABLE)(%rbp), %rdx
-	leaq	level3_ident_pgt(%rip), %rbx
-	movq	%rdx, 0(%rbx, %rax, 8)
+	leaq	(4096 + _KERNPG_TABLE)(%rbx), %rdx
+	movq	%rdx, 0(%rbx,%rax,8)
+	movq	%rdx, 8(%rbx,%rax,8)
 
+	addq	$4096, %rdx
 	movq	%rdi, %rax
-	shrq	$PMD_SHIFT, %rax
-	andq	$(PTRS_PER_PMD - 1), %rax
-	leaq	__PAGE_KERNEL_IDENT_LARGE_EXEC(%rdi), %rdx
-	leaq	level2_spare_pgt(%rip), %rbx
-	movq	%rdx, 0(%rbx, %rax, 8)
-ident_complete:
+	shrq	$PUD_SHIFT, %rax
+	andl	$(PTRS_PER_PUD-1), %eax
+	movq	%rdx, (4096+0)(%rbx,%rax,8)
+	movq	%rdx, (4096+8)(%rbx,%rax,8)
+
+	addq	$8192, %rbx
+	movq	%rdi, %rax
+	shrq	$PMD_SHIFT, %rdi
+	addq	$(__PAGE_KERNEL_LARGE_EXEC & ~_PAGE_GLOBAL), %rax
+	leaq	(_end - 1)(%rip), %rcx
+	shrq	$PMD_SHIFT, %rcx
+	subq	%rdi, %rcx
+	incl	%ecx
+
+1:
+	andq	$(PTRS_PER_PMD - 1), %rdi
+	movq	%rax, (%rbx,%rdi,8)
+	incq	%rdi
+	addq	$PMD_SIZE, %rax
+	decl	%ecx
+	jnz	1b
 
 	/*
 	 * Fixup the kernel text+data virtual addresses. Note that
@@ -124,7 +141,6 @@ ident_complete:
 	 * cleanup_highmap() fixes this up along with the mappings
 	 * beyond _end.
 	 */
-
 	leaq	level2_kernel_pgt(%rip), %rdi
 	leaq	4096(%rdi), %r8
 	/* See if it is a valid page table entry */
@@ -139,17 +155,14 @@ ident_complete:
 	/* Fixup phys_base */
 	addq	%rbp, phys_base(%rip)
 
-	/* Due to ENTRY(), sometimes the empty space gets filled with
-	 * zeros. Better take a jmp than relying on empty space being
-	 * filled with 0x90 (nop)
-	 */
-	jmp secondary_startup_64
+	movq	$(early_level4_pgt - __START_KERNEL_map), %rax
+	jmp 1f
 ENTRY(secondary_startup_64)
 	/*
 	 * At this point the CPU runs in 64bit mode CS.L = 1 CS.D = 1,
 	 * and someone has loaded a mapped page table.
 	 *
-	 * %esi holds a physical pointer to real_mode_data.
+	 * %rsi holds a physical pointer to real_mode_data.
 	 *
 	 * We come here either from startup_64 (using physical addresses)
 	 * or from trampoline.S (using virtual addresses).
@@ -159,12 +172,14 @@ ENTRY(secondary_startup_64)
 	 * after the boot processor executes this code.
 	 */
 
+	movq	$(init_level4_pgt - __START_KERNEL_map), %rax
+1:
+
 	/* Enable PAE mode and PGE */
-	movl	$(X86_CR4_PAE | X86_CR4_PGE), %eax
-	movq	%rax, %cr4
+	movl	$(X86_CR4_PAE | X86_CR4_PGE), %ecx
+	movq	%rcx, %cr4
 
 	/* Setup early boot stage 4 level pagetables. */
-	movq	$(init_level4_pgt - __START_KERNEL_map), %rax
 	addq	phys_base(%rip), %rax
 	movq	%rax, %cr3
 
@@ -196,7 +211,7 @@ ENTRY(secondary_startup_64)
 	movq	%rax, %cr0
 
 	/* Setup a boot time stack */
-	movq stack_start(%rip),%rsp
+	movq stack_start(%rip), %rsp
 
 	/* zero EFLAGS after setting rsp */
 	pushq $0
@@ -236,21 +251,19 @@ ENTRY(secondary_startup_64)
 	movl	initial_gs+4(%rip),%edx
 	wrmsr	
 
-	/* esi is pointer to real mode structure with interesting info.
+	/* rsi is pointer to real mode structure with interesting info.
 	   pass it to C */
-	movl	%esi, %edi
+	movq	%rsi, %rdi
 	
 	/* Finally jump to run C code and to be on real kernel address
 	 * Since we are running on identity-mapped space we have to jump
 	 * to the full 64bit address, this is only possible as indirect
 	 * jump.  In addition we need to ensure %cs is set so we make this
-	 * a far return.
+	 * a far jump.
 	 */
-	movq	initial_code(%rip),%rax
 	pushq	$0		# fake return address to stop unwinder
-	pushq	$__KERNEL_CS	# set correct cs
-	pushq	%rax		# target address in negative space
-	lretq
+	/* gas 2.22 is buggy and mis-assembles ljmpq */
+	rex64 ljmp *initial_code(%rip)
 
 #ifdef CONFIG_HOTPLUG_CPU
 /*
@@ -270,13 +283,15 @@ ENDPROC(start_cpu0)
 
 	/* SMP bootup changes these two */
 	__REFDATA
-	.align	8
-	ENTRY(initial_code)
+	.balign	8
+	GLOBAL(initial_code)
 	.quad	x86_64_start_kernel
-	ENTRY(initial_gs)
+	.word	__KERNEL_CS
+	.balign	8
+	GLOBAL(initial_gs)
 	.quad	INIT_PER_CPU_VAR(irq_stack_union)
 
-	ENTRY(stack_start)
+	GLOBAL(stack_start)
 	.quad  init_thread_union+THREAD_SIZE-8
 	.word  0
 	__FINITDATA
@@ -284,7 +299,7 @@ ENDPROC(start_cpu0)
 bad_address:
 	jmp bad_address
 
-	.section ".init.text","ax"
+	__INIT
 	.globl early_idt_handlers
 early_idt_handlers:
 	# 104(%rsp) %rflags
@@ -321,14 +336,22 @@ ENTRY(early_idt_handler)
 	pushq %r11		#  0(%rsp)
 
 	cmpl $__KERNEL_CS,96(%rsp)
-	jne 10f
+	jne 11f
+
+	cmpl $14,72(%rsp)	# Page fault?
+	jnz 10f
+	GET_CR2_INTO(%rdi)	# can clobber any volatile register if pv
+	call early_make_pgtable
+	andl %eax,%eax
+	jz 20f			# All good
 
+10:
 	leaq 88(%rsp),%rdi	# Pointer to %rip
 	call early_fixup_exception
 	andl %eax,%eax
 	jnz 20f			# Found an exception entry
 
-10:
+11:
 #ifdef CONFIG_EARLY_PRINTK
 	GET_CR2_INTO(%r9)	# can clobber any volatile register if pv
 	movl 80(%rsp),%r8d	# error code
@@ -350,7 +373,7 @@ ENTRY(early_idt_handler)
 1:	hlt
 	jmp 1b
 
-20:	# Exception table entry found
+20:	# Exception table entry found or page table generated
 	popq %r11
 	popq %r10
 	popq %r9
@@ -364,6 +387,8 @@ ENTRY(early_idt_handler)
 	decl early_recursion_flag(%rip)
 	INTERRUPT_RETURN
 
+	__INITDATA
+
 	.balign 4
 early_recursion_flag:
 	.long 0
@@ -374,11 +399,10 @@ early_idt_msg:
 early_idt_ripmsg:
 	.asciz "RIP %s\n"
 #endif /* CONFIG_EARLY_PRINTK */
-	.previous
 
 #define NEXT_PAGE(name) \
 	.balign	PAGE_SIZE; \
-ENTRY(name)
+GLOBAL(name)
 
 /* Automate the creation of 1 to 1 mapping pmd entries */
 #define PMDS(START, PERM, COUNT)			\
@@ -388,24 +412,37 @@ ENTRY(name)
 	i = i + 1 ;					\
 	.endr
 
+	__INITDATA
+NEXT_PAGE(early_level4_pgt)
+	.fill	511,8,0
+	.quad	level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE
+
+NEXT_PAGE(early_dynamic_pgts)
+	.fill	512*EARLY_DYNAMIC_PAGE_TABLES,8,0
+
 	.data
-	/*
-	 * This default setting generates an ident mapping at address 0x100000
-	 * and a mapping for the kernel that precisely maps virtual address
-	 * 0xffffffff80000000 to physical address 0x000000. (always using
-	 * 2Mbyte large pages provided by PAE mode)
-	 */
+
+#ifndef CONFIG_XEN
+NEXT_PAGE(init_level4_pgt)
+	.fill	512,8,0
+#else
 NEXT_PAGE(init_level4_pgt)
-	.quad	level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
-	.org	init_level4_pgt + L4_PAGE_OFFSET*8, 0
-	.quad	level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
-	.org	init_level4_pgt + L4_START_KERNEL*8, 0
+	.quad   level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
+	.org    init_level4_pgt + L4_PAGE_OFFSET*8, 0
+	.quad   level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
+	.org    init_level4_pgt + L4_START_KERNEL*8, 0
 	/* (2^48-(2*1024*1024*1024))/(2^39) = 511 */
-	.quad	level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE
+	.quad   level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE
 
 NEXT_PAGE(level3_ident_pgt)
 	.quad	level2_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
-	.fill	511,8,0
+	.fill	511, 8, 0
+NEXT_PAGE(level2_ident_pgt)
+	/* Since I easily can, map the first 1G.
+	 * Don't set NX because code runs from these pages.
+	 */
+	PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, PTRS_PER_PMD)
+#endif
 
 NEXT_PAGE(level3_kernel_pgt)
 	.fill	L3_START_KERNEL,8,0
@@ -413,21 +450,6 @@ NEXT_PAGE(level3_kernel_pgt)
 	.quad	level2_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE
 	.quad	level2_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE
 
-NEXT_PAGE(level2_fixmap_pgt)
-	.fill	506,8,0
-	.quad	level1_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE
-	/* 8MB reserved for vsyscalls + a 2MB hole = 4 + 1 entries */
-	.fill	5,8,0
-
-NEXT_PAGE(level1_fixmap_pgt)
-	.fill	512,8,0
-
-NEXT_PAGE(level2_ident_pgt)
-	/* Since I easily can, map the first 1G.
-	 * Don't set NX because code runs from these pages.
-	 */
-	PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, PTRS_PER_PMD)
-
 NEXT_PAGE(level2_kernel_pgt)
 	/*
 	 * 512 MB kernel mapping. We spend a full page on this pagetable
@@ -442,11 +464,16 @@ NEXT_PAGE(level2_kernel_pgt)
 	PMDS(0, __PAGE_KERNEL_LARGE_EXEC,
 		KERNEL_IMAGE_SIZE/PMD_SIZE)
 
-NEXT_PAGE(level2_spare_pgt)
-	.fill   512, 8, 0
+NEXT_PAGE(level2_fixmap_pgt)
+	.fill	506,8,0
+	.quad	level1_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE
+	/* 8MB reserved for vsyscalls + a 2MB hole = 4 + 1 entries */
+	.fill	5,8,0
+
+NEXT_PAGE(level1_fixmap_pgt)
+	.fill	512,8,0
 
 #undef PMDS
-#undef NEXT_PAGE
 
 	.data
 	.align 16
@@ -472,6 +499,5 @@ ENTRY(nmi_idt_table)
 	.skip IDT_ENTRIES * 16
 
 	__PAGE_ALIGNED_BSS
-	.align PAGE_SIZE
-ENTRY(empty_zero_page)
+NEXT_PAGE(empty_zero_page)
 	.skip PAGE_SIZE
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 01b22d0..63160c6 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -917,6 +917,8 @@ void __init setup_arch(char **cmdline_p)
 
 	init_mem_mapping();
 
+	early_trap_pf_init();
+
 	setup_real_mode();
 
 	memblock.current_limit = get_max_mapped();
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index eb85866..6486bf3 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -694,10 +694,19 @@ void __init early_trap_init(void)
 	set_intr_gate_ist(X86_TRAP_DB, &debug, DEBUG_STACK);
 	/* int3 can be called from all */
 	set_system_intr_gate_ist(X86_TRAP_BP, &int3, DEBUG_STACK);
+#ifdef CONFIG_X86_32
 	set_intr_gate(X86_TRAP_PF, &page_fault);
+#endif
 	load_idt(&idt_descr);
 }
 
+void __init early_trap_pf_init(void)
+{
+#ifdef CONFIG_X86_64
+	set_intr_gate(X86_TRAP_PF, &page_fault);
+#endif
+}
+
 void __init trap_init(void)
 {
 	int i;
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index c4293cf..ab26a15 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -437,9 +437,10 @@ void __init init_mem_mapping(void)
 	}
 #else
 	early_ioremap_page_table_range_init();
+#endif
+
 	load_cr3(swapper_pg_dir);
 	__flush_tlb_all();
-#endif
 
 	early_memtest(0, max_pfn_mapped << PAGE_SHIFT);
 }
-- 
1.7.10.4

[PATCH v7 07/27] x86, 64bit: Print init kernel lowmap correctly

[Yinghai Lu]

We are not having max_pfn_mapped set correctly until init_memory_mapping.

so don't print it initial value  for 64bit

Also need to use KERNEL_IMAGE_SIZE directly for highmap cleanup.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/kernel/head64.c |    3 ---
 arch/x86/kernel/setup.c  |    2 ++
 arch/x86/mm/init_64.c    |    6 +++++-
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index cac61dc..46e509e 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -137,9 +137,6 @@ void __init x86_64_start_kernel(char * real_mode_data)
 	/* clear bss before set_intr_gate with early_idt_handler */
 	clear_bss();
 
-	/* XXX - this is wrong... we need to build page tables from scratch */
-	max_pfn_mapped = KERNEL_IMAGE_SIZE >> PAGE_SHIFT;
-
 	for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) {
 #ifdef CONFIG_EARLY_PRINTK
 		set_intr_gate(i, &early_idt_handlers[i]);
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 63160c6..04797e78 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -910,8 +910,10 @@ void __init setup_arch(char **cmdline_p)
 	setup_bios_corruption_check();
 #endif
 
+#ifdef CONFIG_X86_32
 	printk(KERN_DEBUG "initial memory mapped: [mem 0x00000000-%#010lx]\n",
 			(max_pfn_mapped<<PAGE_SHIFT) - 1);
+#endif
 
 	reserve_real_mode();
 
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index b1178eb..2495af3 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -304,10 +304,14 @@ void __init init_extra_mapping_uc(unsigned long phys, unsigned long size)
 void __init cleanup_highmap(void)
 {
 	unsigned long vaddr = __START_KERNEL_map;
-	unsigned long vaddr_end = __START_KERNEL_map + (max_pfn_mapped << PAGE_SHIFT);
+	unsigned long vaddr_end = __START_KERNEL_map + KERNEL_IMAGE_SIZE;
 	unsigned long end = roundup((unsigned long)_brk_end, PMD_SIZE) - 1;
 	pmd_t *pmd = level2_kernel_pgt;
 
+	/* Xen has its own end somehow with abused max_pfn_mapped */
+	if (max_pfn_mapped)
+		vaddr_end = __START_KERNEL_map + (max_pfn_mapped << PAGE_SHIFT);
+
 	for (; vaddr + PMD_SIZE - 1 < vaddr_end; pmd++, vaddr += PMD_SIZE) {
 		if (pmd_none(*pmd))
 			continue;
-- 
1.7.10.4

[PATCH v7 08/27] x86: Merge early_reserve_initrd for 32bit and 64bit

[Yinghai Lu]

They are the same, could move them out from head32/64.c to setup.c.

We are using memblock, and it could handle overlapping properly, so
we don't need to reserve some at first to hold the location, and just
need to make sure we reserve them before we are using memblock to find
free mem to use.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
---
 arch/x86/kernel/head32.c |   11 -----------
 arch/x86/kernel/head64.c |   11 -----------
 arch/x86/kernel/setup.c  |   22 ++++++++++++++++++----
 3 files changed, 18 insertions(+), 26 deletions(-)

diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index e175548..b071d41 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -33,17 +33,6 @@ void __init i386_start_kernel(void)
 	memblock_reserve(__pa_symbol(_text),
 			 (unsigned long)__bss_stop - (unsigned long)_text);
 
-#ifdef CONFIG_BLK_DEV_INITRD
-	/* Reserve INITRD */
-	if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
-		/* Assume only end is not page aligned */
-		u64 ramdisk_image = boot_params.hdr.ramdisk_image;
-		u64 ramdisk_size  = boot_params.hdr.ramdisk_size;
-		u64 ramdisk_end   = PAGE_ALIGN(ramdisk_image + ramdisk_size);
-		memblock_reserve(ramdisk_image, ramdisk_end - ramdisk_image);
-	}
-#endif
-
 	/* Call the subarch specific early setup function */
 	switch (boot_params.hdr.hardware_subarch) {
 	case X86_SUBARCH_MRST:
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 46e509e..0aff120 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -162,17 +162,6 @@ void __init x86_64_start_reservations(char *real_mode_data)
 	memblock_reserve(__pa_symbol(_text),
 			 (unsigned long)__bss_stop - (unsigned long)_text);
 
-#ifdef CONFIG_BLK_DEV_INITRD
-	/* Reserve INITRD */
-	if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
-		/* Assume only end is not page aligned */
-		unsigned long ramdisk_image = boot_params.hdr.ramdisk_image;
-		unsigned long ramdisk_size  = boot_params.hdr.ramdisk_size;
-		unsigned long ramdisk_end   = PAGE_ALIGN(ramdisk_image + ramdisk_size);
-		memblock_reserve(ramdisk_image, ramdisk_end - ramdisk_image);
-	}
-#endif
-
 	reserve_ebda_region();
 
 	/*
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 04797e78..1b8a8cc 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -360,6 +360,19 @@ static u64 __init get_mem_size(unsigned long limit_pfn)
 
 	return mapped_pages << PAGE_SHIFT;
 }
+static void __init early_reserve_initrd(void)
+{
+	/* Assume only end is not page aligned */
+	u64 ramdisk_image = boot_params.hdr.ramdisk_image;
+	u64 ramdisk_size  = boot_params.hdr.ramdisk_size;
+	u64 ramdisk_end   = PAGE_ALIGN(ramdisk_image + ramdisk_size);
+
+	if (!boot_params.hdr.type_of_loader ||
+	    !ramdisk_image || !ramdisk_size)
+		return;		/* No initrd provided by bootloader */
+
+	memblock_reserve(ramdisk_image, ramdisk_end - ramdisk_image);
+}
 static void __init reserve_initrd(void)
 {
 	/* Assume only end is not page aligned */
@@ -386,10 +399,6 @@ static void __init reserve_initrd(void)
 	if (pfn_range_is_mapped(PFN_DOWN(ramdisk_image),
 				PFN_DOWN(ramdisk_end))) {
 		/* All are mapped, easy case */
-		/*
-		 * don't need to reserve again, already reserved early
-		 * in i386_start_kernel
-		 */
 		initrd_start = ramdisk_image + PAGE_OFFSET;
 		initrd_end = initrd_start + ramdisk_size;
 		return;
@@ -400,6 +409,9 @@ static void __init reserve_initrd(void)
 	memblock_free(ramdisk_image, ramdisk_end - ramdisk_image);
 }
 #else
+static void __init early_reserve_initrd(void)
+{
+}
 static void __init reserve_initrd(void)
 {
 }
@@ -661,6 +673,8 @@ early_param("reservelow", parse_reservelow);
 
 void __init setup_arch(char **cmdline_p)
 {
+	early_reserve_initrd();
+
 #ifdef CONFIG_X86_32
 	memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
 	visws_early_detect();
-- 
1.7.10.4

[PATCH v7 09/27] x86: add get_ramdisk_image/size()

[Yinghai Lu]

There several places to find ramdisk information early for reserving
and relocating.

Use functions to make code more readable and consistent.

Later will add ext_ramdisk_image/size in those functions to support
loading ramdisk above 4g.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/kernel/setup.c |   29 +++++++++++++++++++++--------
 1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 1b8a8cc..644a123 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -294,12 +294,25 @@ static void __init reserve_brk(void)
 
 #ifdef CONFIG_BLK_DEV_INITRD
 
+static u64 __init get_ramdisk_image(void)
+{
+	u64 ramdisk_image = boot_params.hdr.ramdisk_image;
+
+	return ramdisk_image;
+}
+static u64 __init get_ramdisk_size(void)
+{
+	u64 ramdisk_size = boot_params.hdr.ramdisk_size;
+
+	return ramdisk_size;
+}
+
 #define MAX_MAP_CHUNK	(NR_FIX_BTMAPS << PAGE_SHIFT)
 static void __init relocate_initrd(void)
 {
 	/* Assume only end is not page aligned */
-	u64 ramdisk_image = boot_params.hdr.ramdisk_image;
-	u64 ramdisk_size  = boot_params.hdr.ramdisk_size;
+	u64 ramdisk_image = get_ramdisk_image();
+	u64 ramdisk_size  = get_ramdisk_size();
 	u64 area_size     = PAGE_ALIGN(ramdisk_size);
 	u64 ramdisk_here;
 	unsigned long slop, clen, mapaddr;
@@ -338,8 +351,8 @@ static void __init relocate_initrd(void)
 		ramdisk_size  -= clen;
 	}
 
-	ramdisk_image = boot_params.hdr.ramdisk_image;
-	ramdisk_size  = boot_params.hdr.ramdisk_size;
+	ramdisk_image = get_ramdisk_image();
+	ramdisk_size  = get_ramdisk_size();
 	printk(KERN_INFO "Move RAMDISK from [mem %#010llx-%#010llx] to"
 		" [mem %#010llx-%#010llx]\n",
 		ramdisk_image, ramdisk_image + ramdisk_size - 1,
@@ -363,8 +376,8 @@ static u64 __init get_mem_size(unsigned long limit_pfn)
 static void __init early_reserve_initrd(void)
 {
 	/* Assume only end is not page aligned */
-	u64 ramdisk_image = boot_params.hdr.ramdisk_image;
-	u64 ramdisk_size  = boot_params.hdr.ramdisk_size;
+	u64 ramdisk_image = get_ramdisk_image();
+	u64 ramdisk_size  = get_ramdisk_size();
 	u64 ramdisk_end   = PAGE_ALIGN(ramdisk_image + ramdisk_size);
 
 	if (!boot_params.hdr.type_of_loader ||
@@ -376,8 +389,8 @@ static void __init early_reserve_initrd(void)
 static void __init reserve_initrd(void)
 {
 	/* Assume only end is not page aligned */
-	u64 ramdisk_image = boot_params.hdr.ramdisk_image;
-	u64 ramdisk_size  = boot_params.hdr.ramdisk_size;
+	u64 ramdisk_image = get_ramdisk_image();
+	u64 ramdisk_size  = get_ramdisk_size();
 	u64 ramdisk_end   = PAGE_ALIGN(ramdisk_image + ramdisk_size);
 	u64 mapped_size;
 
-- 
1.7.10.4

[PATCH v7 10/27] x86, boot: add get_cmd_line_ptr()

[Yinghai Lu]

later will check ext_cmd_line_ptr at the same time.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/boot/compressed/cmdline.c |   10 ++++++++--
 arch/x86/kernel/head64.c           |   13 +++++++++++--
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/arch/x86/boot/compressed/cmdline.c b/arch/x86/boot/compressed/cmdline.c
index 10f6b11..b4c913c 100644
--- a/arch/x86/boot/compressed/cmdline.c
+++ b/arch/x86/boot/compressed/cmdline.c
@@ -13,13 +13,19 @@ static inline char rdfs8(addr_t addr)
 	return *((char *)(fs + addr));
 }
 #include "../cmdline.c"
+static unsigned long get_cmd_line_ptr(void)
+{
+	unsigned long cmd_line_ptr = real_mode->hdr.cmd_line_ptr;
+
+	return cmd_line_ptr;
+}
 int cmdline_find_option(const char *option, char *buffer, int bufsize)
 {
-	return __cmdline_find_option(real_mode->hdr.cmd_line_ptr, option, buffer, bufsize);
+	return __cmdline_find_option(get_cmd_line_ptr(), option, buffer, bufsize);
 }
 int cmdline_find_option_bool(const char *option)
 {
-	return __cmdline_find_option_bool(real_mode->hdr.cmd_line_ptr, option);
+	return __cmdline_find_option_bool(get_cmd_line_ptr(), option);
 }
 
 #endif
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 0aff120..fe9037d 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -102,13 +102,22 @@ static void __init clear_bss(void)
 	       (unsigned long) __bss_stop - (unsigned long) __bss_start);
 }
 
+static unsigned long get_cmd_line_ptr(void)
+{
+	unsigned long cmd_line_ptr = boot_params.hdr.cmd_line_ptr;
+
+	return cmd_line_ptr;
+}
+
 static void __init copy_bootdata(char *real_mode_data)
 {
 	char * command_line;
+	unsigned long cmd_line_ptr;
 
 	memcpy(&boot_params, real_mode_data, sizeof boot_params);
-	if (boot_params.hdr.cmd_line_ptr) {
-		command_line = __va(boot_params.hdr.cmd_line_ptr);
+	cmd_line_ptr = get_cmd_line_ptr();
+	if (cmd_line_ptr) {
+		command_line = __va(cmd_line_ptr);
 		memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
 	}
 }
-- 
1.7.10.4

[PATCH v7 11/27] x86, boot: move checking of cmd_line_ptr out of common path

[Yinghai Lu]

cmdline.c::__cmdline_find_option... are shared between
16-bit setup code and 32/64 bit decompressor code.

for 32/64 only path via kexec, we should not check if ptr less 1M.
as those cmdline could be put above 1M, or even 4G.

Move out accessible checking out of __cmdline_find_option()
So decompressor in misc.c can parse cmdline correctly.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/boot/boot.h    |   14 ++++++++++++--
 arch/x86/boot/cmdline.c |    8 ++++----
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
index 18997e5..7fadf80 100644
--- a/arch/x86/boot/boot.h
+++ b/arch/x86/boot/boot.h
@@ -289,12 +289,22 @@ int __cmdline_find_option(u32 cmdline_ptr, const char *option, char *buffer, int
 int __cmdline_find_option_bool(u32 cmdline_ptr, const char *option);
 static inline int cmdline_find_option(const char *option, char *buffer, int bufsize)
 {
-	return __cmdline_find_option(boot_params.hdr.cmd_line_ptr, option, buffer, bufsize);
+	u32 cmd_line_ptr = boot_params.hdr.cmd_line_ptr;
+
+	if (cmd_line_ptr >= 0x100000)
+		return -1;      /* inaccessible */
+
+	return __cmdline_find_option(cmd_line_ptr, option, buffer, bufsize);
 }
 
 static inline int cmdline_find_option_bool(const char *option)
 {
-	return __cmdline_find_option_bool(boot_params.hdr.cmd_line_ptr, option);
+	u32 cmd_line_ptr = boot_params.hdr.cmd_line_ptr;
+
+	if (cmd_line_ptr >= 0x100000)
+		return -1;      /* inaccessible */
+
+	return __cmdline_find_option_bool(cmd_line_ptr, option);
 }
 
 
diff --git a/arch/x86/boot/cmdline.c b/arch/x86/boot/cmdline.c
index 6b3b6f7..768f00f 100644
--- a/arch/x86/boot/cmdline.c
+++ b/arch/x86/boot/cmdline.c
@@ -41,8 +41,8 @@ int __cmdline_find_option(u32 cmdline_ptr, const char *option, char *buffer, int
 		st_bufcpy	/* Copying this to buffer */
 	} state = st_wordstart;
 
-	if (!cmdline_ptr || cmdline_ptr >= 0x100000)
-		return -1;	/* No command line, or inaccessible */
+	if (!cmdline_ptr)
+		return -1;      /* No command line */
 
 	cptr = cmdline_ptr & 0xf;
 	set_fs(cmdline_ptr >> 4);
@@ -111,8 +111,8 @@ int __cmdline_find_option_bool(u32 cmdline_ptr, const char *option)
 		st_wordskip,	/* Miscompare, skip */
 	} state = st_wordstart;
 
-	if (!cmdline_ptr || cmdline_ptr >= 0x100000)
-		return -1;	/* No command line, or inaccessible */
+	if (!cmdline_ptr)
+		return -1;      /* No command line */
 
 	cptr = cmdline_ptr & 0xf;
 	set_fs(cmdline_ptr >> 4);
-- 
1.7.10.4

[PATCH v7 12/27] x86, boot: pass cmd_line_ptr with unsigned long

[Yinghai Lu]

boot/compressed/misc.c is used for bzImage in 64bit and 32bit, and
cmd_line_ptr could point to buffer that is above 4g, cmd_line_ptr
should be 64 bit otherwise high 32 bit will be capped out.

So need to change data type to unsigned long, that will be 64bit get correct
address of command line buffer.

and it is ok with 32bit bzImage, because unsigned long for them
is still 32bit.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/boot/boot.h    |    8 ++++----
 arch/x86/boot/cmdline.c |    4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
index 7fadf80..5b75319 100644
--- a/arch/x86/boot/boot.h
+++ b/arch/x86/boot/boot.h
@@ -285,11 +285,11 @@ struct biosregs {
 void intcall(u8 int_no, const struct biosregs *ireg, struct biosregs *oreg);
 
 /* cmdline.c */
-int __cmdline_find_option(u32 cmdline_ptr, const char *option, char *buffer, int bufsize);
-int __cmdline_find_option_bool(u32 cmdline_ptr, const char *option);
+int __cmdline_find_option(unsigned long cmdline_ptr, const char *option, char *buffer, int bufsize);
+int __cmdline_find_option_bool(unsigned long cmdline_ptr, const char *option);
 static inline int cmdline_find_option(const char *option, char *buffer, int bufsize)
 {
-	u32 cmd_line_ptr = boot_params.hdr.cmd_line_ptr;
+	unsigned long cmd_line_ptr = boot_params.hdr.cmd_line_ptr;
 
 	if (cmd_line_ptr >= 0x100000)
 		return -1;      /* inaccessible */
@@ -299,7 +299,7 @@ static inline int cmdline_find_option(const char *option, char *buffer, int bufs
 
 static inline int cmdline_find_option_bool(const char *option)
 {
-	u32 cmd_line_ptr = boot_params.hdr.cmd_line_ptr;
+	unsigned long cmd_line_ptr = boot_params.hdr.cmd_line_ptr;
 
 	if (cmd_line_ptr >= 0x100000)
 		return -1;      /* inaccessible */
diff --git a/arch/x86/boot/cmdline.c b/arch/x86/boot/cmdline.c
index 768f00f..625d21b 100644
--- a/arch/x86/boot/cmdline.c
+++ b/arch/x86/boot/cmdline.c
@@ -27,7 +27,7 @@ static inline int myisspace(u8 c)
  * Returns the length of the argument (regardless of if it was
  * truncated to fit in the buffer), or -1 on not found.
  */
-int __cmdline_find_option(u32 cmdline_ptr, const char *option, char *buffer, int bufsize)
+int __cmdline_find_option(unsigned long cmdline_ptr, const char *option, char *buffer, int bufsize)
 {
 	addr_t cptr;
 	char c;
@@ -99,7 +99,7 @@ int __cmdline_find_option(u32 cmdline_ptr, const char *option, char *buffer, int
  * Returns the position of that option (starts counting with 1)
  * or 0 on not found
  */
-int __cmdline_find_option_bool(u32 cmdline_ptr, const char *option)
+int __cmdline_find_option_bool(unsigned long cmdline_ptr, const char *option)
 {
 	addr_t cptr;
 	char c;
-- 
1.7.10.4

[PATCH v7 13/27] x86, boot: move verify_cpu.S and no_longmode after 0x200

[Yinghai Lu]

We are short of space before 0x200 that is entry for startup_64.

According to hpa, we can not change startup_64 to other offset and
that become ABI now.

We could move function verify_cpu and no_longmode down, because one is
used via call and another will not return.
So could avoid extra code of jmp back and forth if we would move other
lines.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Matt Fleming <matt.fleming@intel.com>
---
 arch/x86/boot/compressed/head_64.S |   17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 2c4b171..fb984c0 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -176,14 +176,6 @@ ENTRY(startup_32)
 	lret
 ENDPROC(startup_32)
 
-no_longmode:
-	/* This isn't an x86-64 CPU so hang */
-1:
-	hlt
-	jmp     1b
-
-#include "../../kernel/verify_cpu.S"
-
 	/*
 	 * Be careful here startup_64 needs to be at a predictable
 	 * address so I can export it in an ELF header.  Bootloaders
@@ -349,6 +341,15 @@ relocated:
  */
 	jmp	*%rbp
 
+	.code32
+no_longmode:
+	/* This isn't an x86-64 CPU so hang */
+1:
+	hlt
+	jmp     1b
+
+#include "../../kernel/verify_cpu.S"
+
 	.data
 gdt:
 	.word	gdt_end - gdt
-- 
1.7.10.4

[PATCH v7 14/27] x86, boot: Move lldt/ltr out of 64bit code section

[Yinghai Lu]

commit 08da5a2ca

    x86_64: Early segment setup for VT

add lldt/ltr to clean more segments.

Those code are put in code64, and it is using gdt that is only
loaded from code32 path.

That breaks booting with 64bit bootloader that does not go through
code32 path. It get at startup_64 directly,  and it has different
gdt.

Move those lines into code32 after their gdt is loaded.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Zachary Amsden <zamsden@gmail.com>
Cc: Matt Fleming <matt.fleming@intel.com>
---
 arch/x86/boot/compressed/head_64.S |    9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index fb984c0..5c80b94 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -154,6 +154,12 @@ ENTRY(startup_32)
 	btsl	$_EFER_LME, %eax
 	wrmsr
 
+	/* After gdt is loaded */
+	xorl	%eax, %eax
+	lldt	%ax
+	movl    $0x20, %eax
+	ltr	%ax
+
 	/*
 	 * Setup for the jump to 64bit mode
 	 *
@@ -239,9 +245,6 @@ preferred_addr:
 	movl	%eax, %ss
 	movl	%eax, %fs
 	movl	%eax, %gs
-	lldt	%ax
-	movl    $0x20, %eax
-	ltr	%ax
 
 	/*
 	 * Compute the decompressed kernel start address.  It is where
-- 
1.7.10.4

[PATCH v7 15/27] x86, kexec: remove 1024G limitation for kexec buffer on 64bit

[Yinghai Lu]

Now 64bit kernel supports more than 1T ram and kexec tools
could find buffer above 1T, remove that obsolete limitation.
and use MAXMEM instead.

Tested on system more than 1024G ram.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
---
 arch/x86/include/asm/kexec.h |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h
index 6080d26..17483a4 100644
--- a/arch/x86/include/asm/kexec.h
+++ b/arch/x86/include/asm/kexec.h
@@ -48,11 +48,11 @@
 # define vmcore_elf_check_arch_cross(x) ((x)->e_machine == EM_X86_64)
 #else
 /* Maximum physical address we can use pages from */
-# define KEXEC_SOURCE_MEMORY_LIMIT      (0xFFFFFFFFFFUL)
+# define KEXEC_SOURCE_MEMORY_LIMIT      (MAXMEM-1)
 /* Maximum address we can reach in physical address mode */
-# define KEXEC_DESTINATION_MEMORY_LIMIT (0xFFFFFFFFFFUL)
+# define KEXEC_DESTINATION_MEMORY_LIMIT (MAXMEM-1)
 /* Maximum address we can use for the control pages */
-# define KEXEC_CONTROL_MEMORY_LIMIT     (0xFFFFFFFFFFUL)
+# define KEXEC_CONTROL_MEMORY_LIMIT     (MAXMEM-1)
 
 /* Allocate one page for the pdp and the second for the code */
 # define KEXEC_CONTROL_PAGE_SIZE  (4096UL + 4096UL)
-- 
1.7.10.4

[PATCH v7 16/27] x86, kexec: set ident mapping for kernel that is above max_pfn

[Yinghai Lu]

When first kernel is booted with memmap= or mem=  to limit max_pfn.
kexec can load second kernel above that max_pfn.

We need to set ident mapping for whole image in this case not just
for first 2M.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/kernel/machine_kexec_64.c |   43 +++++++++++++++++++++++++++++++-----
 1 file changed, 37 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c
index b3ea9db..be14ee1 100644
--- a/arch/x86/kernel/machine_kexec_64.c
+++ b/arch/x86/kernel/machine_kexec_64.c
@@ -56,6 +56,25 @@ out:
 	return result;
 }
 
+static int ident_mapping_init(struct kimage *image, pgd_t *level4p,
+				unsigned long mstart, unsigned long mend)
+{
+	int result;
+
+	mstart = round_down(mstart, PMD_SIZE);
+	mend   = round_up(mend - 1, PMD_SIZE);
+
+	while (mstart < mend) {
+		result = init_one_level2_page(image, level4p, mstart);
+		if (result)
+			return result;
+
+		mstart += PMD_SIZE;
+	}
+
+	return 0;
+}
+
 static void init_level2_page(pmd_t *level2p, unsigned long addr)
 {
 	unsigned long end_addr;
@@ -184,22 +203,34 @@ err:
 	return result;
 }
 
-
 static int init_pgtable(struct kimage *image, unsigned long start_pgtable)
 {
+	unsigned long mstart, mend;
 	pgd_t *level4p;
 	int result;
+	int i;
+
 	level4p = (pgd_t *)__va(start_pgtable);
 	result = init_level4_page(image, level4p, 0, max_pfn << PAGE_SHIFT);
 	if (result)
 		return result;
+
 	/*
-	 * image->start may be outside 0 ~ max_pfn, for example when
-	 * jump back to original kernel from kexeced kernel
+	 * segments's mem ranges could be outside 0 ~ max_pfn,
+	 * for example when jump back to original kernel from kexeced kernel.
+	 * or first kernel is booted with user mem map, and second kernel
+	 * could be loaded out of that range.
 	 */
-	result = init_one_level2_page(image, level4p, image->start);
-	if (result)
-		return result;
+	for (i = 0; i < image->nr_segments; i++) {
+		mstart = image->segment[i].mem;
+		mend   = mstart + image->segment[i].memsz;
+
+		result = ident_mapping_init(image, level4p, mstart, mend);
+
+		if (result)
+			return result;
+	}
+
 	return init_transition_pgtable(image, level4p);
 }
 
-- 
1.7.10.4

[PATCH v7 17/27] x86, kexec: Merge ident_mapping_init and init_level4_page

[Yinghai Lu]

Now ident_mapping_init is checking if pgd/pud is present for every 2M,
so several 2Ms are in same PUD, it will keep checking if pud is there.

init_level4_page does not check existing pgd/pud.

We will need to use ident_mapping_init with pfn_mapped array to
map ram only, and two entries in pfn_mapped could be in same pgd/pud,
so we need to check if pgd/pud is present instead of init_level4_page.

So merge these two set functions to make new ident_mapping_init not
check pgd/pud for every pmd in same pgd/pud, and use it to replace
init_level4_page.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/kernel/machine_kexec_64.c |  214 ++++++++++++++----------------------
 1 file changed, 80 insertions(+), 134 deletions(-)

diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c
index be14ee1..a0bf7fb 100644
--- a/arch/x86/kernel/machine_kexec_64.c
+++ b/arch/x86/kernel/machine_kexec_64.c
@@ -21,139 +21,6 @@
 #include <asm/mmu_context.h>
 #include <asm/debugreg.h>
 
-static int init_one_level2_page(struct kimage *image, pgd_t *pgd,
-				unsigned long addr)
-{
-	pud_t *pud;
-	pmd_t *pmd;
-	struct page *page;
-	int result = -ENOMEM;
-
-	addr &= PMD_MASK;
-	pgd += pgd_index(addr);
-	if (!pgd_present(*pgd)) {
-		page = kimage_alloc_control_pages(image, 0);
-		if (!page)
-			goto out;
-		pud = (pud_t *)page_address(page);
-		clear_page(pud);
-		set_pgd(pgd, __pgd(__pa(pud) | _KERNPG_TABLE));
-	}
-	pud = pud_offset(pgd, addr);
-	if (!pud_present(*pud)) {
-		page = kimage_alloc_control_pages(image, 0);
-		if (!page)
-			goto out;
-		pmd = (pmd_t *)page_address(page);
-		clear_page(pmd);
-		set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE));
-	}
-	pmd = pmd_offset(pud, addr);
-	if (!pmd_present(*pmd))
-		set_pmd(pmd, __pmd(addr | __PAGE_KERNEL_LARGE_EXEC));
-	result = 0;
-out:
-	return result;
-}
-
-static int ident_mapping_init(struct kimage *image, pgd_t *level4p,
-				unsigned long mstart, unsigned long mend)
-{
-	int result;
-
-	mstart = round_down(mstart, PMD_SIZE);
-	mend   = round_up(mend - 1, PMD_SIZE);
-
-	while (mstart < mend) {
-		result = init_one_level2_page(image, level4p, mstart);
-		if (result)
-			return result;
-
-		mstart += PMD_SIZE;
-	}
-
-	return 0;
-}
-
-static void init_level2_page(pmd_t *level2p, unsigned long addr)
-{
-	unsigned long end_addr;
-
-	addr &= PAGE_MASK;
-	end_addr = addr + PUD_SIZE;
-	while (addr < end_addr) {
-		set_pmd(level2p++, __pmd(addr | __PAGE_KERNEL_LARGE_EXEC));
-		addr += PMD_SIZE;
-	}
-}
-
-static int init_level3_page(struct kimage *image, pud_t *level3p,
-				unsigned long addr, unsigned long last_addr)
-{
-	unsigned long end_addr;
-	int result;
-
-	result = 0;
-	addr &= PAGE_MASK;
-	end_addr = addr + PGDIR_SIZE;
-	while ((addr < last_addr) && (addr < end_addr)) {
-		struct page *page;
-		pmd_t *level2p;
-
-		page = kimage_alloc_control_pages(image, 0);
-		if (!page) {
-			result = -ENOMEM;
-			goto out;
-		}
-		level2p = (pmd_t *)page_address(page);
-		init_level2_page(level2p, addr);
-		set_pud(level3p++, __pud(__pa(level2p) | _KERNPG_TABLE));
-		addr += PUD_SIZE;
-	}
-	/* clear the unused entries */
-	while (addr < end_addr) {
-		pud_clear(level3p++);
-		addr += PUD_SIZE;
-	}
-out:
-	return result;
-}
-
-
-static int init_level4_page(struct kimage *image, pgd_t *level4p,
-				unsigned long addr, unsigned long last_addr)
-{
-	unsigned long end_addr;
-	int result;
-
-	result = 0;
-	addr &= PAGE_MASK;
-	end_addr = addr + (PTRS_PER_PGD * PGDIR_SIZE);
-	while ((addr < last_addr) && (addr < end_addr)) {
-		struct page *page;
-		pud_t *level3p;
-
-		page = kimage_alloc_control_pages(image, 0);
-		if (!page) {
-			result = -ENOMEM;
-			goto out;
-		}
-		level3p = (pud_t *)page_address(page);
-		result = init_level3_page(image, level3p, addr, last_addr);
-		if (result)
-			goto out;
-		set_pgd(level4p++, __pgd(__pa(level3p) | _KERNPG_TABLE));
-		addr += PGDIR_SIZE;
-	}
-	/* clear the unused entries */
-	while (addr < end_addr) {
-		pgd_clear(level4p++);
-		addr += PGDIR_SIZE;
-	}
-out:
-	return result;
-}
-
 static void free_transition_pgtable(struct kimage *image)
 {
 	free_page((unsigned long)image->arch.pud);
@@ -203,6 +70,84 @@ err:
 	return result;
 }
 
+static void ident_pmd_init(pmd_t *pmd_page,
+			  unsigned long addr, unsigned long end)
+{
+	addr &= PMD_MASK;
+	for (; addr < end; addr += PMD_SIZE) {
+		pmd_t *pmd = pmd_page + pmd_index(addr);
+
+		if (!pmd_present(*pmd))
+			set_pmd(pmd, __pmd(addr | __PAGE_KERNEL_LARGE_EXEC));
+	}
+}
+static int ident_pud_init(struct kimage *image, pud_t *pud_page,
+			  unsigned long addr, unsigned long end)
+{
+	unsigned long next;
+	struct page *page;
+
+	for (; addr < end; addr = next) {
+		pud_t *pud = pud_page + pud_index(addr);
+		pmd_t *pmd;
+
+		next = (addr & PUD_MASK) + PUD_SIZE;
+		if (next > end)
+			next = end;
+
+		if (pud_present(*pud)) {
+			pmd = pmd_offset(pud, 0);
+			ident_pmd_init(pmd, addr, next);
+			continue;
+		}
+		page = kimage_alloc_control_pages(image, 0);
+		if (!page)
+			return -ENOMEM;
+		pmd = (pmd_t *)page_address(page);
+		clear_page(pmd);
+		ident_pmd_init(pmd, addr, next);
+		set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE));
+	}
+
+	return 0;
+}
+static int ident_mapping_init(struct kimage *image, pgd_t *pgd_page,
+				unsigned long addr, unsigned long end)
+{
+	unsigned long next;
+	struct page *page;
+	int result;
+
+	for (; addr < end; addr = next) {
+		pgd_t *pgd = pgd_page + pgd_index(addr);
+		pud_t *pud;
+
+		next = (addr & PGDIR_MASK) + PGDIR_SIZE;
+		if (next > end)
+			next = end;
+
+		if (pgd_present(*pgd)) {
+			pud = pud_offset(pgd, 0);
+			result = ident_pud_init(image, pud, addr, next);
+			if (result)
+				return result;
+			continue;
+		}
+
+		page = kimage_alloc_control_pages(image, 0);
+		if (!page)
+			return -ENOMEM;
+		pud = (pud_t *)page_address(page);
+		clear_page(pud);
+		result = ident_pud_init(image, pud, addr, next);
+		if (result)
+			return result;
+		set_pgd(pgd, __pgd(__pa(pud) | _KERNPG_TABLE));
+	}
+
+	return 0;
+}
+
 static int init_pgtable(struct kimage *image, unsigned long start_pgtable)
 {
 	unsigned long mstart, mend;
@@ -211,7 +156,8 @@ static int init_pgtable(struct kimage *image, unsigned long start_pgtable)
 	int i;
 
 	level4p = (pgd_t *)__va(start_pgtable);
-	result = init_level4_page(image, level4p, 0, max_pfn << PAGE_SHIFT);
+	clear_page(level4p);
+	result = ident_mapping_init(image, level4p, 0, max_pfn << PAGE_SHIFT);
 	if (result)
 		return result;
 
-- 
1.7.10.4

[PATCH v7 18/27] x86, kexec: only set ident mapping for ram.

[Yinghai Lu]

We should not set mapping for all under max_pfn.
That causes same problem that is fixed by

	x86, mm: Only direct map addresses that are marked as E820_RAM

This patch expose pfn_mapped array, and only set ident mapping for range
in that array.

This patch rely on new ident_mapping_init that could handle sharing
pgd/pud between different calling.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/include/asm/page.h        |    4 ++++
 arch/x86/kernel/machine_kexec_64.c |   13 ++++++++++---
 arch/x86/mm/init.c                 |    4 ++--
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h
index 3698a6a..c878924 100644
--- a/arch/x86/include/asm/page.h
+++ b/arch/x86/include/asm/page.h
@@ -17,6 +17,10 @@
 
 struct page;
 
+#include <linux/range.h>
+extern struct range pfn_mapped[];
+extern int nr_pfn_mapped;
+
 static inline void clear_user_page(void *page, unsigned long vaddr,
 				   struct page *pg)
 {
diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c
index a0bf7fb..cc6d0e3 100644
--- a/arch/x86/kernel/machine_kexec_64.c
+++ b/arch/x86/kernel/machine_kexec_64.c
@@ -157,9 +157,16 @@ static int init_pgtable(struct kimage *image, unsigned long start_pgtable)
 
 	level4p = (pgd_t *)__va(start_pgtable);
 	clear_page(level4p);
-	result = ident_mapping_init(image, level4p, 0, max_pfn << PAGE_SHIFT);
-	if (result)
-		return result;
+
+	for (i = 0; i < nr_pfn_mapped; i++) {
+		mstart = pfn_mapped[i].start << PAGE_SHIFT;
+		mend   = pfn_mapped[i].end << PAGE_SHIFT;
+
+		result = ident_mapping_init(image, level4p, mstart, mend);
+
+		if (result)
+			return result;
+	}
 
 	/*
 	 * segments's mem ranges could be outside 0 ~ max_pfn,
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index ab26a15..d704b36 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -300,8 +300,8 @@ static int __meminit split_mem_range(struct map_range *mr, int nr_range,
 	return nr_range;
 }
 
-static struct range pfn_mapped[E820_X_MAX];
-static int nr_pfn_mapped;
+struct range pfn_mapped[E820_X_MAX];
+int nr_pfn_mapped;
 
 static void add_pfn_range_mapped(unsigned long start_pfn, unsigned long end_pfn)
 {
-- 
1.7.10.4

[PATCH v7 19/27] x86, boot: add fields to support load bzImage and ramdisk above 4G

[Yinghai Lu]

ext_ramdisk_image/size will record high 32bits for ramdisk info.

xloadflags bit0 will be set if relocatable with 64bit.

Let get_ramdisk_image/size to use ext_ramdisk_image/size to get
right positon for ramdisk.

bootloader will fill value to ext_ramdisk_image/size when it load
ramdisk above 4G.

Also bootloader will check if xloadflags bit0 is set to decicde if
it could load ramdisk high above 4G.

sentinel is used to make sure kernel have ext_* valid values set

Update header version to 2.12.

-v2: add ext_cmd_line_ptr for above 4G support.
-v3: update to xloadflags from HPA.
-v4: use fields from bootparam instead setup_header according to HPA.
-v5: add checking for USE_EXT_BOOT_PARAMS
-v6: use sentinel to check if ext_* are valid suggested by HPA.
     HPA said:
	1. add a field in the uninitialized portion, call it "sentinel";
	2. make sure the byte position corresponding to the "sentinel" field is
	   nonzero in the bzImage file;
	3. if the kernel boots up and sentinel is nonzero, erase those fields
	   that you identified as uninitialized;
-v7: change to 0x1ef instead of 0x1f0, HPA said:
	it is quite plausible that someone may (fairly sanely) start the
	copy range at 0x1f0 instead of 0x1f1

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Rob Landley <rob@landley.net>
Cc: Matt Fleming <matt.fleming@intel.com>
---
 Documentation/x86/boot.txt            |   15 ++++++++++++++-
 Documentation/x86/zero-page.txt       |    4 ++++
 arch/x86/boot/compressed/cmdline.c    |    2 ++
 arch/x86/boot/compressed/misc.c       |   12 ++++++++++++
 arch/x86/boot/header.S                |   12 ++++++++++--
 arch/x86/boot/setup.ld                |    7 +++++++
 arch/x86/include/uapi/asm/bootparam.h |   13 ++++++++++---
 arch/x86/kernel/head64.c              |    2 ++
 arch/x86/kernel/setup.c               |    4 ++++
 9 files changed, 65 insertions(+), 6 deletions(-)

diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index 406d82d..18ca9fb 100644
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -57,6 +57,9 @@ Protocol 2.10:	(Kernel 2.6.31) Added a protocol for relaxed alignment
 Protocol 2.11:	(Kernel 3.6) Added a field for offset of EFI handover
 		protocol entry point.
 
+Protocol 2.12:	(Kernel 3.9) Added three fields for loading bzImage and
+		 ramdisk above 4G with 64bit in bootparam.
+
 **** MEMORY LAYOUT
 
 The traditional memory map for the kernel loader, used for Image or
@@ -182,7 +185,7 @@ Offset	Proto	Name		Meaning
 0230/4	2.05+	kernel_alignment Physical addr alignment required for kernel
 0234/1	2.05+	relocatable_kernel Whether kernel is relocatable or not
 0235/1	2.10+	min_alignment	Minimum alignment, as a power of two
-0236/2	N/A	pad3		Unused
+0236/2	2.12+	xloadflags	Boot protocol option flags
 0238/4	2.06+	cmdline_size	Maximum size of the kernel command line
 023C/4	2.07+	hardware_subarch Hardware subarchitecture
 0240/8	2.07+	hardware_subarch_data Subarchitecture-specific data
@@ -582,6 +585,16 @@ Protocol:	2.10+
   misaligned kernel.  Therefore, a loader should typically try each
   power-of-two alignment from kernel_alignment down to this alignment.
 
+Field name:     xloadflags
+Type:           modify (obligatory)
+Offset/size:    0x236/2
+Protocol:       2.12+
+
+  This field is a bitmask.
+
+  Bit 0 (read): CAN_BE_LOADED_ABOVE_4G
+        - If 1, kernel/boot_params/cmdline/ramdisk can be above 4g,
+
 Field name:	cmdline_size
 Type:		read
 Offset/size:	0x238/4
diff --git a/Documentation/x86/zero-page.txt b/Documentation/x86/zero-page.txt
index cf5437d..1140e59 100644
--- a/Documentation/x86/zero-page.txt
+++ b/Documentation/x86/zero-page.txt
@@ -19,6 +19,9 @@ Offset	Proto	Name		Meaning
 090/010	ALL	hd1_info	hd1 disk parameter, OBSOLETE!!
 0A0/010	ALL	sys_desc_table	System description table (struct sys_desc_table)
 0B0/010	ALL	olpc_ofw_header	OLPC's OpenFirmware CIF and friends
+0C0/004	ALL	ext_ramdisk_image ramdisk_image high 32bits
+0C4/004	ALL	ext_ramdisk_size  ramdisk_size high 32bits
+0C8/004	ALL	ext_cmd_line_ptr  cmd_line_ptr high 32bits
 140/080	ALL	edid_info	Video mode setup (struct edid_info)
 1C0/020	ALL	efi_info	EFI 32 information (struct efi_info)
 1E0/004	ALL	alk_mem_k	Alternative mem check, in KB
@@ -27,6 +30,7 @@ Offset	Proto	Name		Meaning
 1E9/001	ALL	eddbuf_entries	Number of entries in eddbuf (below)
 1EA/001	ALL	edd_mbr_sig_buf_entries	Number of entries in edd_mbr_sig_buffer
 				(below)
+1EF/001	ALL	sentinel	0: states _ext_* fields are valid
 290/040	ALL	edd_mbr_sig_buffer EDD MBR signatures
 2D0/A00	ALL	e820_map	E820 memory map table
 				(array of struct e820entry)
diff --git a/arch/x86/boot/compressed/cmdline.c b/arch/x86/boot/compressed/cmdline.c
index b4c913c..bffd73b 100644
--- a/arch/x86/boot/compressed/cmdline.c
+++ b/arch/x86/boot/compressed/cmdline.c
@@ -17,6 +17,8 @@ static unsigned long get_cmd_line_ptr(void)
 {
 	unsigned long cmd_line_ptr = real_mode->hdr.cmd_line_ptr;
 
+	cmd_line_ptr |= (u64)real_mode->ext_cmd_line_ptr << 32;
+
 	return cmd_line_ptr;
 }
 int cmdline_find_option(const char *option, char *buffer, int bufsize)
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 88f7ff6..f714576 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -318,6 +318,16 @@ static void parse_elf(void *output)
 	free(phdrs);
 }
 
+static void sanitize_real_mode(struct boot_params *real_mode)
+{
+	if (real_mode->sentinel) {
+		/* ext_* fields in boot_params are not valid, clear them */
+		real_mode->ext_ramdisk_image = 0;
+		real_mode->ext_ramdisk_size  = 0;
+		real_mode->ext_cmd_line_ptr  = 0;
+	}
+}
+
 asmlinkage void decompress_kernel(void *rmode, memptr heap,
 				  unsigned char *input_data,
 				  unsigned long input_len,
@@ -325,6 +335,8 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
 {
 	real_mode = rmode;
 
+	sanitize_real_mode(real_mode);
+
 	if (real_mode->screen_info.orig_video_mode == 7) {
 		vidmem = (char *) 0xb0000;
 		vidport = 0x3b4;
diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
index 8c132a6..0d5790f 100644
--- a/arch/x86/boot/header.S
+++ b/arch/x86/boot/header.S
@@ -279,7 +279,7 @@ _start:
 	# Part 2 of the header, from the old setup.S
 
 		.ascii	"HdrS"		# header signature
-		.word	0x020b		# header version number (>= 0x0105)
+		.word	0x020c		# header version number (>= 0x0105)
 					# or else old loadlin-1.5 will fail)
 		.globl realmode_swtch
 realmode_swtch:	.word	0, 0		# default_switch, SETUPSEG
@@ -369,7 +369,15 @@ relocatable_kernel:    .byte 1
 relocatable_kernel:    .byte 0
 #endif
 min_alignment:		.byte MIN_KERNEL_ALIGN_LG2	# minimum alignment
-pad3:			.word 0
+
+xloadflags:
+CAN_BE_LOADED_ABOVE_4G	= 1		# If set, the kernel/boot_param/
+					# ramdisk could be loaded above 4g
+#if defined(CONFIG_X86_64) && defined(CONFIG_RELOCATABLE)
+			.word CAN_BE_LOADED_ABOVE_4G
+#else
+			.word 0
+#endif
 
 cmdline_size:   .long   COMMAND_LINE_SIZE-1     #length of the command line,
                                                 #added with boot protocol
diff --git a/arch/x86/boot/setup.ld b/arch/x86/boot/setup.ld
index 03c0683..9333d37 100644
--- a/arch/x86/boot/setup.ld
+++ b/arch/x86/boot/setup.ld
@@ -13,6 +13,13 @@ SECTIONS
 	.bstext		: { *(.bstext) }
 	.bsdata		: { *(.bsdata) }
 
+	/* sentinel: make sure if boot_params from bootloader is right */
+	. = 495;
+	.sentinel	: {
+		sentinel = .;
+		BYTE(0xff);
+	}
+
 	. = 497;
 	.header		: { *(.header) }
 	.entrytext	: { *(.entrytext) }
diff --git a/arch/x86/include/uapi/asm/bootparam.h b/arch/x86/include/uapi/asm/bootparam.h
index 92862cd..3d8ed8f 100644
--- a/arch/x86/include/uapi/asm/bootparam.h
+++ b/arch/x86/include/uapi/asm/bootparam.h
@@ -58,7 +58,9 @@ struct setup_header {
 	__u32	initrd_addr_max;
 	__u32	kernel_alignment;
 	__u8	relocatable_kernel;
-	__u8	_pad2[3];
+	__u8	min_alignment;
+	__u16	xloadflags;
+#define CAN_BE_LOADED_ABOVE_4G	(1<<0)
 	__u32	cmdline_size;
 	__u32	hardware_subarch;
 	__u64	hardware_subarch_data;
@@ -106,7 +108,10 @@ struct boot_params {
 	__u8  hd1_info[16];	/* obsolete! */		/* 0x090 */
 	struct sys_desc_table sys_desc_table;		/* 0x0a0 */
 	struct olpc_ofw_header olpc_ofw_header;		/* 0x0b0 */
-	__u8  _pad4[128];				/* 0x0c0 */
+	__u32 ext_ramdisk_image;			/* 0x0c0 */
+	__u32 ext_ramdisk_size;				/* 0x0c4 */
+	__u32 ext_cmd_line_ptr;				/* 0x0c8 */
+	__u8  _pad4[116];				/* 0x0cc */
 	struct edid_info edid_info;			/* 0x140 */
 	struct efi_info efi_info;			/* 0x1c0 */
 	__u32 alt_mem_k;				/* 0x1e0 */
@@ -115,7 +120,9 @@ struct boot_params {
 	__u8  eddbuf_entries;				/* 0x1e9 */
 	__u8  edd_mbr_sig_buf_entries;			/* 0x1ea */
 	__u8  kbd_status;				/* 0x1eb */
-	__u8  _pad6[5];					/* 0x1ec */
+	__u8  _pad5[3];					/* 0x1ec */
+	__u8  sentinel;					/* 0x1ef */
+	__u8  _pad6[1];					/* 0x1f0 */
 	struct setup_header hdr;    /* setup header */	/* 0x1f1 */
 	__u8  _pad7[0x290-0x1f1-sizeof(struct setup_header)];
 	__u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX];	/* 0x290 */
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index fe9037d..0824b02 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -106,6 +106,8 @@ static unsigned long get_cmd_line_ptr(void)
 {
 	unsigned long cmd_line_ptr = boot_params.hdr.cmd_line_ptr;
 
+	cmd_line_ptr |= (u64)boot_params.ext_cmd_line_ptr << 32;
+
 	return cmd_line_ptr;
 }
 
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 644a123..2509efa 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -298,12 +298,16 @@ static u64 __init get_ramdisk_image(void)
 {
 	u64 ramdisk_image = boot_params.hdr.ramdisk_image;
 
+	ramdisk_image |= (u64)boot_params.ext_ramdisk_image << 32;
+
 	return ramdisk_image;
 }
 static u64 __init get_ramdisk_size(void)
 {
 	u64 ramdisk_size = boot_params.hdr.ramdisk_size;
 
+	ramdisk_size |= (u64)boot_params.ext_ramdisk_size << 32;
+
 	return ramdisk_size;
 }
 
-- 
1.7.10.4

[PATCH v7 20/27] x86, boot: update comments about entries for 64bit image

[Yinghai Lu]

Now 64bit entry is fixed on 0x200, can not be changed anymore.

Update the comments to reflect that.

Also put info about it in boot.txt

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 Documentation/x86/boot.txt         |   38 ++++++++++++++++++++++++++++++++++++
 arch/x86/boot/compressed/head_64.S |   22 ++++++++++++---------
 2 files changed, 51 insertions(+), 9 deletions(-)

diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt
index 18ca9fb..24cc542 100644
--- a/Documentation/x86/boot.txt
+++ b/Documentation/x86/boot.txt
@@ -1042,6 +1042,44 @@ must have read/write permission; CS must be __BOOT_CS and DS, ES, SS
 must be __BOOT_DS; interrupt must be disabled; %esi must hold the base
 address of the struct boot_params; %ebp, %edi and %ebx must be zero.
 
+**** 64-bit BOOT PROTOCOL
+
+For machine with 64bit cpus and 64bit kernel, we could use 64bit bootloader
+We need a 64-bit boot protocol.
+
+In 64-bit boot protocol, the first step in loading a Linux kernel
+should be to setup the boot parameters (struct boot_params,
+traditionally known as "zero page"). The memory for struct boot_params
+should be allocated under or above 4G and initialized to all zero.
+Then the setup header from offset 0x01f1 of kernel image on should be
+loaded into struct boot_params and examined. The end of setup header
+can be calculated as follow:
+
+	0x0202 + byte value at offset 0x0201
+
+In addition to read/modify/write the setup header of the struct
+boot_params as that of 16-bit boot protocol, the boot loader should
+also fill the additional fields of the struct boot_params as that
+described in zero-page.txt.
+
+After setting up the struct boot_params, the boot loader can load the
+64-bit kernel in the same way as that of 16-bit boot protocol, but
+kernel could be above 4G.
+
+In 64-bit boot protocol, the kernel is started by jumping to the
+64-bit kernel entry point, which is the start address of loaded
+64-bit kernel plus 0x200.
+
+At entry, the CPU must be in 64-bit mode with paging enabled.
+The range with setup_header.init_size from start address of loaded
+kernel and zero page and command line buffer get ident mapping;
+a GDT must be loaded with the descriptors for selectors
+__BOOT_CS(0x10) and __BOOT_DS(0x18); both descriptors must be 4G flat
+segment; __BOOT_CS must have execute/read permission, and __BOOT_DS
+must have read/write permission; CS must be __BOOT_CS and DS, ES, SS
+must be __BOOT_DS; interrupt must be disabled; %rsi must hold the base
+address of the struct boot_params.
+
 **** EFI HANDOVER PROTOCOL
 
 This protocol allows boot loaders to defer initialisation to the EFI
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 5c80b94..aaafd4e 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -37,6 +37,12 @@
 	__HEAD
 	.code32
 ENTRY(startup_32)
+	/*
+	 * 32bit entry is 0, could not be changed!
+	 * If we come here directly from a bootloader,
+	 * kernel(text+data+bss+brk) ramdisk, zero_page, command line
+	 * all need to be under 4G limit.
+	 */
 	cld
 	/*
 	 * Test KEEP_SEGMENTS flag to see if the bootloader is asking
@@ -182,20 +188,18 @@ ENTRY(startup_32)
 	lret
 ENDPROC(startup_32)
 
-	/*
-	 * Be careful here startup_64 needs to be at a predictable
-	 * address so I can export it in an ELF header.  Bootloaders
-	 * should look at the ELF header to find this address, as
-	 * it may change in the future.
-	 */
 	.code64
 	.org 0x200
 ENTRY(startup_64)
 	/*
+	 * 64bit entry is 0x200, could not be changed!
 	 * We come here either from startup_32 or directly from a
-	 * 64bit bootloader.  If we come here from a bootloader we depend on
-	 * an identity mapped page table being provied that maps our
-	 * entire text+data+bss and hopefully all of memory.
+	 * 64bit bootloader.
+	 * If we come here from a bootloader, kernel(text+data+bss+brk),
+	 * ramdisk, zero_page, command line could be above 4G.
+	 * We depend on an identity mapped page table being provided
+	 * that maps our entire kernel(text+data+bss+brk), zero page
+	 * and command line.
 	 */
 #ifdef CONFIG_EFI_STUB
 	/*
-- 
1.7.10.4

[PATCH v7 21/27] x86, boot: Not need to check setup_header version

[Yinghai Lu]

That is for bootloader.

setup_data is in setup_header, and all bootloader is copying that
for bzImage. So for old bootloader should keep that as 0.

kexec till now for elf image, will set setup_data to 0.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/kernel/setup.c |    6 ------
 1 file changed, 6 deletions(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 2509efa..15ce495 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -439,8 +439,6 @@ static void __init parse_setup_data(void)
 	struct setup_data *data;
 	u64 pa_data;
 
-	if (boot_params.hdr.version < 0x0209)
-		return;
 	pa_data = boot_params.hdr.setup_data;
 	while (pa_data) {
 		u32 data_len, map_len;
@@ -476,8 +474,6 @@ static void __init e820_reserve_setup_data(void)
 	u64 pa_data;
 	int found = 0;
 
-	if (boot_params.hdr.version < 0x0209)
-		return;
 	pa_data = boot_params.hdr.setup_data;
 	while (pa_data) {
 		data = early_memremap(pa_data, sizeof(*data));
@@ -501,8 +497,6 @@ static void __init memblock_x86_reserve_range_setup_data(void)
 	struct setup_data *data;
 	u64 pa_data;
 
-	if (boot_params.hdr.version < 0x0209)
-		return;
 	pa_data = boot_params.hdr.setup_data;
 	while (pa_data) {
 		data = early_memremap(pa_data, sizeof(*data));
-- 
1.7.10.4

[PATCH v7 22/27] mm: Add alloc_bootmem_low_pages_nopanic()

[Yinghai Lu]

We don't need to panic in some case, like for swiotlb preallocating.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 include/linux/bootmem.h |    5 +++++
 mm/bootmem.c            |    8 ++++++++
 mm/nobootmem.c          |    8 ++++++++
 3 files changed, 21 insertions(+)

diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 3f778c2..3cd16ba 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -99,6 +99,9 @@ void *___alloc_bootmem_node_nopanic(pg_data_t *pgdat,
 extern void *__alloc_bootmem_low(unsigned long size,
 				 unsigned long align,
 				 unsigned long goal);
+void *__alloc_bootmem_low_nopanic(unsigned long size,
+				 unsigned long align,
+				 unsigned long goal);
 extern void *__alloc_bootmem_low_node(pg_data_t *pgdat,
 				      unsigned long size,
 				      unsigned long align,
@@ -132,6 +135,8 @@ extern void *__alloc_bootmem_low_node(pg_data_t *pgdat,
 
 #define alloc_bootmem_low(x) \
 	__alloc_bootmem_low(x, SMP_CACHE_BYTES, 0)
+#define alloc_bootmem_low_pages_nopanic(x) \
+	__alloc_bootmem_low_nopanic(x, PAGE_SIZE, 0)
 #define alloc_bootmem_low_pages(x) \
 	__alloc_bootmem_low(x, PAGE_SIZE, 0)
 #define alloc_bootmem_low_pages_node(pgdat, x) \
diff --git a/mm/bootmem.c b/mm/bootmem.c
index 1324cd7..315d253 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -821,6 +821,14 @@ void * __init __alloc_bootmem_low(unsigned long size, unsigned long align,
 	return ___alloc_bootmem(size, align, goal, ARCH_LOW_ADDRESS_LIMIT);
 }
 
+void * __init __alloc_bootmem_low_nopanic(unsigned long size,
+					  unsigned long align,
+					  unsigned long goal)
+{
+	return ___alloc_bootmem_nopanic(size, align, goal,
+					ARCH_LOW_ADDRESS_LIMIT);
+}
+
 /**
  * __alloc_bootmem_low_node - allocate low boot memory from a specific node
  * @pgdat: node to allocate from
diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index 03d152a..5e07d36 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -391,6 +391,14 @@ void * __init __alloc_bootmem_low(unsigned long size, unsigned long align,
 	return ___alloc_bootmem(size, align, goal, ARCH_LOW_ADDRESS_LIMIT);
 }
 
+void * __init __alloc_bootmem_low_nopanic(unsigned long size,
+					  unsigned long align,
+					  unsigned long goal)
+{
+	return ___alloc_bootmem_nopanic(size, align, goal,
+					ARCH_LOW_ADDRESS_LIMIT);
+}
+
 /**
  * __alloc_bootmem_low_node - allocate low boot memory from a specific node
  * @pgdat: node to allocate from
-- 
1.7.10.4

[PATCH v7 23/27] x86: Don't panic if can not alloc buffer for swiotlb

[Yinghai Lu]

Normal boot path on system with iommu support:
swiotlb buffer will be allocated early at first and then try to initialize
iommu, if iommu for intel or amd could setup properly, swiotlb buffer
will be freed.

The early allocating is with bootmem, and could panic when we try to use
kdump with buffer above 4G only.

Replace the panic with WARN, and the kernel can go on without swiotlb,
and could iommu later.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/kernel/pci-swiotlb.c |    5 ++++-
 include/linux/swiotlb.h       |    2 +-
 lib/swiotlb.c                 |   15 ++++++++++-----
 3 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
index 6c483ba..6f93eb7 100644
--- a/arch/x86/kernel/pci-swiotlb.c
+++ b/arch/x86/kernel/pci-swiotlb.c
@@ -91,7 +91,10 @@ IOMMU_INIT(pci_swiotlb_detect_4gb,
 void __init pci_swiotlb_init(void)
 {
 	if (swiotlb) {
-		swiotlb_init(0);
+		if (swiotlb_init(0)) {
+			swiotlb = 0;
+			return;
+		}
 		dma_ops = &swiotlb_dma_ops;
 	}
 }
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 071d62c..1d2506f 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -22,7 +22,7 @@ extern int swiotlb_force;
  */
 #define IO_TLB_SHIFT 11
 
-extern void swiotlb_init(int verbose);
+int swiotlb_init(int verbose);
 extern void swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose);
 extern unsigned long swiotlb_nr_tbl(void);
 extern int swiotlb_late_init_with_tbl(char *tlb, unsigned long nslabs);
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 196b069..958322e 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -175,7 +175,7 @@ void __init swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose)
  * Statically reserve bounce buffer space and initialize bounce buffer data
  * structures for the software IO TLB used to implement the DMA API.
  */
-static void __init
+static int __init
 swiotlb_init_with_default_size(size_t default_size, int verbose)
 {
 	unsigned char *vstart;
@@ -192,16 +192,21 @@ swiotlb_init_with_default_size(size_t default_size, int verbose)
 	 * Get IO TLB memory from the low pages
 	 */
 	vstart = alloc_bootmem_low_pages(PAGE_ALIGN(bytes));
-	if (!vstart)
-		panic("Cannot allocate SWIOTLB buffer");
+	if (!vstart) {
+		WARN(1, "Cannot allocate SWIOTLB buffer");
+		return -1;
+	}
 
 	swiotlb_init_with_tbl(vstart, io_tlb_nslabs, verbose);
+
+	return 0;
 }
 
-void __init
+int __init
 swiotlb_init(int verbose)
 {
-	swiotlb_init_with_default_size(64 * (1<<20), verbose);	/* default to 64MB */
+	/* default to 64MB */
+	return swiotlb_init_with_default_size(64 * (1<<20), verbose);
 }
 
 /*
-- 
1.7.10.4

[PATCH v7 24/27] x86: Add swiotlb force off support

[Yinghai Lu]

So use could disable swiotlb from command line, even swiotlb support
is compiled in.  Just like we have intel_iommu=on and intel_iommu=off.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 Documentation/kernel-parameters.txt |    7 +++++++
 arch/x86/kernel/pci-swiotlb.c       |   10 +++++-----
 drivers/iommu/amd_iommu.c           |    1 +
 include/linux/swiotlb.h             |    1 +
 lib/swiotlb.c                       |    5 ++++-
 5 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index ea8e5b4..2b37020 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2835,6 +2835,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
 	swiotlb=	[IA-64] Number of I/O TLB slabs
 
+	swiotlb=[force|off|on] [KNL] disable or enable swiotlb.
+		force
+		on
+			Enable swiotlb.
+		off
+			Disable swiotlb.
+
 	switches=	[HW,M68k]
 
 	sysfs.deprecated=0|1 [KNL]
diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
index 6f93eb7..80afd3b 100644
--- a/arch/x86/kernel/pci-swiotlb.c
+++ b/arch/x86/kernel/pci-swiotlb.c
@@ -58,12 +58,12 @@ static struct dma_map_ops swiotlb_dma_ops = {
  */
 int __init pci_swiotlb_detect_override(void)
 {
-	int use_swiotlb = swiotlb | swiotlb_force;
-
 	if (swiotlb_force)
 		swiotlb = 1;
+	else if (swiotlb_force_off)
+		swiotlb = 0;
 
-	return use_swiotlb;
+	return swiotlb;
 }
 IOMMU_INIT_FINISH(pci_swiotlb_detect_override,
 		  pci_xen_swiotlb_detect,
@@ -76,9 +76,9 @@ IOMMU_INIT_FINISH(pci_swiotlb_detect_override,
  */
 int __init pci_swiotlb_detect_4gb(void)
 {
-	/* don't initialize swiotlb if iommu=off (no_iommu=1) */
+	/* don't initialize swiotlb if iommu=off (no_iommu=1) or force off */
 #ifdef CONFIG_X86_64
-	if (!no_iommu && max_pfn > MAX_DMA32_PFN)
+	if (!no_iommu && !swiotlb_force_off && max_pfn > MAX_DMA32_PFN)
 		swiotlb = 1;
 #endif
 	return swiotlb;
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 55074cb..4f370d3 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3082,6 +3082,7 @@ int __init amd_iommu_init_dma_ops(void)
 	unhandled = device_dma_ops_init();
 	if (unhandled && max_pfn > MAX_DMA32_PFN) {
 		/* There are unhandled devices - initialize swiotlb for them */
+		WARN(swiotlb_force_off, "Please remove swiotlb=off\n");
 		swiotlb = 1;
 	}
 
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 1d2506f..dc43968 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -8,6 +8,7 @@ struct dma_attrs;
 struct scatterlist;
 
 extern int swiotlb_force;
+extern int swiotlb_force_off;
 
 /*
  * Maximum allowable number of contiguous slabs to map,
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 958322e..3a0ec46 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -51,6 +51,7 @@
 #define IO_TLB_MIN_SLABS ((1<<20) >> IO_TLB_SHIFT)
 
 int swiotlb_force;
+int swiotlb_force_off;
 
 /*
  * Used to do a quick range check in swiotlb_tbl_unmap_single and
@@ -102,8 +103,10 @@ setup_io_tlb_npages(char *str)
 	}
 	if (*str == ',')
 		++str;
-	if (!strcmp(str, "force"))
+	if (!strcmp(str, "force") || !strcmp(str, "on"))
 		swiotlb_force = 1;
+	if (!strcmp(str, "off"))
+		swiotlb_force_off = 1;
 
 	return 1;
 }
-- 
1.7.10.4

[PATCH v7 25/27] x86, kdump: remove crashkernel range find limit for 64bit

[Yinghai Lu]

Now kexeced kernel/ramdisk could be above 4g, so remove 896 limit for
64bit.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/kernel/setup.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 15ce495..2631008 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -515,13 +515,11 @@ static void __init memblock_x86_reserve_range_setup_data(void)
 /*
  * Keep the crash kernel below this limit.  On 32 bits earlier kernels
  * would limit the kernel to the low 512 MiB due to mapping restrictions.
- * On 64 bits, kexec-tools currently limits us to 896 MiB; increase this
- * limit once kexec-tools are fixed.
  */
 #ifdef CONFIG_X86_32
 # define CRASH_KERNEL_ADDR_MAX	(512 << 20)
 #else
-# define CRASH_KERNEL_ADDR_MAX	(896 << 20)
+# define CRASH_KERNEL_ADDR_MAX	MAXMEM
 #endif
 
 static void __init reserve_crashkernel(void)
-- 
1.7.10.4

[PATCH v7 26/27] x86: add Crash kernel low reservation

[Yinghai Lu]

During kdump kernel's booting stage, it need to find low ram for
swiotlb buffer when system does not support intel iommu/dmar remapping.

kexed-tools is appending memmap=exactmap and range from /proc/iomem
with "Crash kernel", and that range is above 4G for 64bit after boot
protocol 2.12.

We need to add another range in /proc/iomem like "Crash kernel low",
so kexec-tools could find that info and append to kdump kernel
command line.

Try to reserve some under 4G if the normal "Crash kernel" is above
4G.

User could specify the size with crashkernel_low=XX[KMG].
If the user does not specify that, will use 72M instead.

-v2: fix warning that is found by Fengguang's test robot.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 Documentation/kernel-parameters.txt |    3 ++
 arch/x86/kernel/setup.c             |   70 +++++++++++++++++++++++++++--------
 include/linux/kexec.h               |    3 ++
 kernel/kexec.c                      |   34 ++++++++++++++---
 4 files changed, 89 insertions(+), 21 deletions(-)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 2b37020..e8c48e9 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -600,6 +600,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			is selected automatically. Check
 			Documentation/kdump/kdump.txt for further details.
 
+	crashkernel_low=size[KMG]
+			[KNL, x86] parts under 4G.
+
 	crashkernel=range1:size1[,range2:size2,...][@offset]
 			[KNL] Same as above, but depends on the memory
 			in the running system. The syntax of range is
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 2631008..5373a71 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -292,6 +292,21 @@ static void __init reserve_brk(void)
 	_brk_start = 0;
 }
 
+static u64 __init get_mem_size(unsigned long limit_pfn)
+{
+	int i;
+	u64 pages = 0;
+	unsigned long start_pfn, end_pfn;
+
+	for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, NULL) {
+		start_pfn = min_t(unsigned long, start_pfn, limit_pfn);
+		end_pfn = min_t(unsigned long, end_pfn, limit_pfn);
+		pages += end_pfn - start_pfn;
+	}
+
+	return pages << PAGE_SHIFT;
+}
+
 #ifdef CONFIG_BLK_DEV_INITRD
 
 static u64 __init get_ramdisk_image(void)
@@ -363,20 +378,6 @@ static void __init relocate_initrd(void)
 		ramdisk_here, ramdisk_here + ramdisk_size - 1);
 }
 
-static u64 __init get_mem_size(unsigned long limit_pfn)
-{
-	int i;
-	u64 mapped_pages = 0;
-	unsigned long start_pfn, end_pfn;
-
-	for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, NULL) {
-		start_pfn = min_t(unsigned long, start_pfn, limit_pfn);
-		end_pfn = min_t(unsigned long, end_pfn, limit_pfn);
-		mapped_pages += end_pfn - start_pfn;
-	}
-
-	return mapped_pages << PAGE_SHIFT;
-}
 static void __init early_reserve_initrd(void)
 {
 	/* Assume only end is not page aligned */
@@ -522,8 +523,43 @@ static void __init memblock_x86_reserve_range_setup_data(void)
 # define CRASH_KERNEL_ADDR_MAX	MAXMEM
 #endif
 
+static void __init reserve_crashkernel_low(void)
+{
+#ifdef CONFIG_X86_64
+	const unsigned long long alignment = 16<<20;	/* 16M */
+	unsigned long long low_base = 0, low_size = 0;
+	unsigned long total_low_mem;
+	unsigned long long base;
+	int ret;
+
+	total_low_mem = get_mem_size(1UL<<(32-PAGE_SHIFT));
+	ret = parse_crashkernel_low(boot_command_line, total_low_mem,
+						&low_size, &base);
+	if (ret != 0 || low_size <= 0)
+		low_size = (72UL<<20);  /* 72M */
+	low_base = memblock_find_in_range(low_size, (1ULL<<32),
+					low_size, alignment);
+
+	if (!low_base) {
+		pr_info("crashkernel low reservation failed - No suitable area found.\n");
+
+		return;
+	}
+
+	memblock_reserve(low_base, low_size);
+	pr_info("Reserving %ldMB of low memory at %ldMB for crashkernel (System low RAM: %ldMB)\n",
+			(unsigned long)(low_size >> 20),
+			(unsigned long)(low_base >> 20),
+			(unsigned long)(total_low_mem >> 20));
+	crashk_low_res.start = low_base;
+	crashk_low_res.end   = low_base + low_size - 1;
+	insert_resource(&iomem_resource, &crashk_low_res);
+#endif
+}
+
 static void __init reserve_crashkernel(void)
 {
+	const unsigned long long alignment = 16<<20;	/* 16M */
 	unsigned long long total_mem;
 	unsigned long long crash_size, crash_base;
 	int ret;
@@ -537,8 +573,6 @@ static void __init reserve_crashkernel(void)
 
 	/* 0 means: find the address automatically */
 	if (crash_base <= 0) {
-		const unsigned long long alignment = 16<<20;	/* 16M */
-
 		/*
 		 *  kexec want bzImage is below CRASH_KERNEL_ADDR_MAX
 		 */
@@ -549,6 +583,7 @@ static void __init reserve_crashkernel(void)
 			pr_info("crashkernel reservation failed - No suitable area found.\n");
 			return;
 		}
+
 	} else {
 		unsigned long long start;
 
@@ -570,6 +605,9 @@ static void __init reserve_crashkernel(void)
 	crashk_res.start = crash_base;
 	crashk_res.end   = crash_base + crash_size - 1;
 	insert_resource(&iomem_resource, &crashk_res);
+
+	if (crash_base >= (1ULL<<32))
+		reserve_crashkernel_low();
 }
 #else
 static void __init reserve_crashkernel(void)
diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index d0b8458..d2e6927 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -191,6 +191,7 @@ extern struct kimage *kexec_crash_image;
 /* Location of a reserved region to hold the crash kernel.
  */
 extern struct resource crashk_res;
+extern struct resource crashk_low_res;
 typedef u32 note_buf_t[KEXEC_NOTE_BYTES/4];
 extern note_buf_t __percpu *crash_notes;
 extern u32 vmcoreinfo_note[VMCOREINFO_NOTE_SIZE/4];
@@ -199,6 +200,8 @@ extern size_t vmcoreinfo_max_size;
 
 int __init parse_crashkernel(char *cmdline, unsigned long long system_ram,
 		unsigned long long *crash_size, unsigned long long *crash_base);
+int parse_crashkernel_low(char *cmdline, unsigned long long system_ram,
+		unsigned long long *crash_size, unsigned long long *crash_base);
 int crash_shrink_memory(unsigned long new_size);
 size_t crash_get_memory_size(void);
 void crash_free_reserved_phys_range(unsigned long begin, unsigned long end);
diff --git a/kernel/kexec.c b/kernel/kexec.c
index 5e4bd78..2436ffc 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -54,6 +54,12 @@ struct resource crashk_res = {
 	.end   = 0,
 	.flags = IORESOURCE_BUSY | IORESOURCE_MEM
 };
+struct resource crashk_low_res = {
+	.name  = "Crash kernel low",
+	.start = 0,
+	.end   = 0,
+	.flags = IORESOURCE_BUSY | IORESOURCE_MEM
+};
 
 int kexec_should_crash(struct task_struct *p)
 {
@@ -1369,10 +1375,11 @@ static int __init parse_crashkernel_simple(char 		*cmdline,
  * That function is the entry point for command line parsing and should be
  * called from the arch-specific code.
  */
-int __init parse_crashkernel(char 		 *cmdline,
+static int __init __parse_crashkernel(char *cmdline,
 			     unsigned long long system_ram,
 			     unsigned long long *crash_size,
-			     unsigned long long *crash_base)
+			     unsigned long long *crash_base,
+				const char *name)
 {
 	char 	*p = cmdline, *ck_cmdline = NULL;
 	char	*first_colon, *first_space;
@@ -1382,16 +1389,16 @@ int __init parse_crashkernel(char 		 *cmdline,
 	*crash_base = 0;
 
 	/* find crashkernel and use the last one if there are more */
-	p = strstr(p, "crashkernel=");
+	p = strstr(p, name);
 	while (p) {
 		ck_cmdline = p;
-		p = strstr(p+1, "crashkernel=");
+		p = strstr(p+1, name);
 	}
 
 	if (!ck_cmdline)
 		return -EINVAL;
 
-	ck_cmdline += 12; /* strlen("crashkernel=") */
+	ck_cmdline += strlen(name);
 
 	/*
 	 * if the commandline contains a ':', then that's the extended
@@ -1409,6 +1416,23 @@ int __init parse_crashkernel(char 		 *cmdline,
 	return 0;
 }
 
+int __init parse_crashkernel(char *cmdline,
+			     unsigned long long system_ram,
+			     unsigned long long *crash_size,
+			     unsigned long long *crash_base)
+{
+	return __parse_crashkernel(cmdline, system_ram, crash_size, crash_base,
+					"crashkernel=");
+}
+
+int __init parse_crashkernel_low(char *cmdline,
+			     unsigned long long system_ram,
+			     unsigned long long *crash_size,
+			     unsigned long long *crash_base)
+{
+	return __parse_crashkernel(cmdline, system_ram, crash_size, crash_base,
+					"crashkernel_low=");
+}
 
 static void update_vmcoreinfo_note(void)
 {
-- 
1.7.10.4

[PATCH v7 27/27] x86: Merge early kernel reserve for 32bit and 64bit

[Yinghai Lu]

They are the same, could move them out from head32/64.c to setup.c.

We are using memblock, and it could handle overlapping properly, so
we don't need to reserve some at first to hold the location, and just
need to make sure we reserve them before we are using memblock to find
free mem to use.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 arch/x86/kernel/head32.c |    9 ---------
 arch/x86/kernel/head64.c |    9 ---------
 arch/x86/kernel/setup.c  |    9 +++++++++
 3 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index b071d41..17f7792 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -30,9 +30,6 @@ static void __init i386_default_early_setup(void)
 
 void __init i386_start_kernel(void)
 {
-	memblock_reserve(__pa_symbol(_text),
-			 (unsigned long)__bss_stop - (unsigned long)_text);
-
 	/* Call the subarch specific early setup function */
 	switch (boot_params.hdr.hardware_subarch) {
 	case X86_SUBARCH_MRST:
@@ -46,11 +43,5 @@ void __init i386_start_kernel(void)
 		break;
 	}
 
-	/*
-	 * At this point everything still needed from the boot loader
-	 * or BIOS or kernel text should be early reserved or marked not
-	 * RAM in e820. All other memory is free game.
-	 */
-
 	start_kernel();
 }
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 0824b02..2370970 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -170,16 +170,7 @@ void __init x86_64_start_reservations(char *real_mode_data)
 {
 	copy_bootdata(__va(real_mode_data));
 
-	memblock_reserve(__pa_symbol(_text),
-			 (unsigned long)__bss_stop - (unsigned long)_text);
-
 	reserve_ebda_region();
 
-	/*
-	 * At this point everything still needed from the boot loader
-	 * or BIOS or kernel text should be early reserved or marked not
-	 * RAM in e820. All other memory is free game.
-	 */
-
 	start_kernel();
 }
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 5373a71..1f07058 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -720,8 +720,17 @@ early_param("reservelow", parse_reservelow);
 
 void __init setup_arch(char **cmdline_p)
 {
+	memblock_reserve(__pa_symbol(_text),
+			 (unsigned long)__bss_stop - (unsigned long)_text);
+
 	early_reserve_initrd();
 
+	/*
+	 * At this point everything still needed from the boot loader
+	 * or BIOS or kernel text should be early reserved or marked not
+	 * RAM in e820. All other memory is free game.
+	 */
+
 #ifdef CONFIG_X86_32
 	memcpy(&boot_cpu_data, &new_cpu_data, sizeof(new_cpu_data));
 	visws_early_detect();
-- 
1.7.10.4

Re: [PATCH v7 06/27] x86, 64bit: early #PF handler set page table

[Yinghai Lu]

[-- Attachment #1: Type: text/plain, Size: 549 bytes --]

On Mon, Dec 17, 2012 at 11:15 PM, Yinghai Lu <yinghai@kernel.org> wrote:
> -v8: we need to keep that handler alive until init_mem_mapping and don't
>      let early_trap_init to trash that early #PF handler.
>      So split early_trap_pf_init out and move it down. - Yinghai

Peter,

looks like moving down early_trap_init would break kgdb.

we could make temporary early pgt cover 1G, and kernel and stop updating later.

please check attached patch.

init_mem_mapping need to be change a little: map BRK at first then switch pgt.

Thanks

Yinghai

[-- Attachment #2: hpa_pf_set_page_table_5.patch --]
[-- Type: application/octet-stream, Size: 18954 bytes --]

From: H. Peter Anvin <hpa@zytor.com>

Subject: [PATCH] x86, 64bit: early #PF handler set page table

two use cases:
1. We will support load and run kernel above 4G, and zero_page, ramdisk
   will be above 4G, too
2. need to access ramdisk early to get microcode to update that as
   early possible.

We could use early_iomap to access them, but it will make code to
messy and hard to unified with 32bit.

So comes #PF handler to set page page.

When #PF happen, handler will use temp page to set page page to cover
accessed page.

those code and page in __INIT sections, so will not increase usages.

The good point is: with help of #PF handler, we can set kernel mapping
from blank, and switch to init_level4_pgt later.

switchover in head_64.S is only using three page to handle kernel
crossing 1G, 512G with shareing page, most insteresting part.

early_make_pgtable is using kernel high mapping address to access pages
to set page table.

-v4: Add phys_base offset to make kexec happy, and add
	init_mapping_kernel()   - Yinghai
-v5: fix compiling with xen, and add back ident level3 and level2 for xen
     also move back init_level4_pgt from BSS to DATA again.
     because we have to clear it anyway.  - Yinghai
-v6: switch to init_level4_pgt in init_mem_mapping. - Yinghai
-v7: remove not needed clear_page for init_level4_page
     it is with fill 512,8,0 already in head_64.S  - Yinghai
-v9: switchover only cover kernel space instead of 1G so could avoid
     touch possible mem holes. - Yinghai
-v10: stop updating early_pgt early before early_trap_init.
     but before stopping need to make sure early_pgt cover first 1G
     and kernel, so will not break kgdb. But need to switch pgt after
     brk get mapped in int_mem_mapping. - Yinghai

Signed-off-by: Yinghai Lu <yinghai@kernel.org>

---
 arch/x86/include/asm/pgtable_64_types.h |    4 
 arch/x86/kernel/head64.c                |  112 ++++++++++++++++-
 arch/x86/kernel/head_64.S               |  204 ++++++++++++++++++--------------
 arch/x86/mm/init.c                      |   18 ++
 4 files changed, 240 insertions(+), 98 deletions(-)

Index: linux-2.6/arch/x86/include/asm/pgtable_64_types.h
===================================================================
--- linux-2.6.orig/arch/x86/include/asm/pgtable_64_types.h
+++ linux-2.6/arch/x86/include/asm/pgtable_64_types.h
@@ -1,6 +1,8 @@
 #ifndef _ASM_X86_PGTABLE_64_DEFS_H
 #define _ASM_X86_PGTABLE_64_DEFS_H
 
+#include <asm/sparsemem.h>
+
 #ifndef __ASSEMBLY__
 #include <linux/types.h>
 
@@ -60,4 +62,6 @@ typedef struct { pteval_t pte; } pte_t;
 #define MODULES_END      _AC(0xffffffffff000000, UL)
 #define MODULES_LEN   (MODULES_END - MODULES_VADDR)
 
+#define EARLY_DYNAMIC_PAGE_TABLES	64
+
 #endif /* _ASM_X86_PGTABLE_64_DEFS_H */
Index: linux-2.6/arch/x86/kernel/head64.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/head64.c
+++ linux-2.6/arch/x86/kernel/head64.c
@@ -26,11 +26,74 @@
 #include <asm/e820.h>
 #include <asm/bios_ebda.h>
 
-static void __init zap_identity_mappings(void)
+/*
+ * Manage page tables very early on.
+ */
+extern pgd_t early_level4_pgt[PTRS_PER_PGD];
+extern pmd_t early_dynamic_pgts[EARLY_DYNAMIC_PAGE_TABLES][PTRS_PER_PMD];
+static unsigned int __initdata next_early_pgt = 2, early_pgt_resets;
+static bool early_pgt_done;
+
+/* Wipe all early page tables except for the kernel symbol map */
+static void __init reset_early_page_tables(void)
 {
-	pgd_t *pgd = pgd_offset_k(0UL);
-	pgd_clear(pgd);
-	__flush_tlb_all();
+	unsigned long i;
+
+	for (i = 0; i < PTRS_PER_PGD-1; i++)
+		early_level4_pgt[i].pgd = 0;
+
+	next_early_pgt = 0;
+	early_pgt_resets++;
+
+	write_cr3(__pa(early_level4_pgt));
+}
+
+/* Create a new PMD entry */
+int __init early_make_pgtable(unsigned long address)
+{
+	unsigned long physaddr = address - __PAGE_OFFSET;
+	unsigned long i;
+	pgdval_t pgd, *pgd_p;
+	pudval_t *pud_p;
+	pmdval_t pmd, *pmd_p;
+
+
+	/* Invalid address or early pgt is done ?  */
+	if (physaddr >= MAXMEM || early_pgt_done)
+		return -1;
+
+	pgd_p = &early_level4_pgt[pgd_index(address)].pgd;
+	pgd = *pgd_p;
+
+	/*
+	 * The use of __START_KERNEL_map rather than __PAGE_OFFSET here is
+	 * critical -- __PAGE_OFFSET would point us back into the dynamic
+	 * range and we might end up looping forever...
+	 */
+	if (pgd && next_early_pgt < EARLY_DYNAMIC_PAGE_TABLES) {
+		pud_p = (pudval_t *)((pgd & PTE_PFN_MASK) + __START_KERNEL_map - phys_base);
+	} else {
+		if (next_early_pgt >= EARLY_DYNAMIC_PAGE_TABLES-1)
+			reset_early_page_tables();
+
+		pud_p = (pudval_t *)early_dynamic_pgts[next_early_pgt++];
+		for (i = 0; i < PTRS_PER_PUD; i++)
+			pud_p[i] = 0;
+
+		*pgd_p = (pgdval_t)pud_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE;
+	}
+	pud_p += pud_index(address);
+
+	pmd_p = (pmdval_t *)early_dynamic_pgts[next_early_pgt++];
+	pmd = (physaddr & PUD_MASK) + (__PAGE_KERNEL_LARGE & ~_PAGE_GLOBAL);
+	for (i = 0; i < PTRS_PER_PMD; i++) {
+		pmd_p[i] = pmd;
+		pmd += PMD_SIZE;
+	}
+
+	*pud_p = (pudval_t)pmd_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE;
+
+	return 0;
 }
 
 /* Don't add a printk in there. printk relies on the PDA which is not initialized 
@@ -52,6 +115,38 @@ static void __init copy_bootdata(char *r
 	}
 }
 
+static void __init enable_access_1g(unsigned long addr)
+{
+	unsigned char val, *p;
+
+	p = __va(addr);
+	val = *p;
+	if (console_loglevel == 10)
+		early_printk("%lx:%02x\n", (unsigned long)p, val);
+}
+
+static void __init early_mapping_init(void)
+{
+	unsigned long old_early_pgt_resets;
+	init_level4_pgt[511] = early_level4_pgt[511];
+
+	/* force #PF handler to set pgtable for 1G, and kernel */
+	reset_early_page_tables();
+	old_early_pgt_resets = early_pgt_resets;
+
+	enable_access_1g(0);
+	enable_access_1g(__pa_symbol(_text));
+	enable_access_1g(__pa_symbol(_end - 1));
+
+	if (old_early_pgt_resets != early_pgt_resets) {
+		early_printk("EARLY_DYNAMIC_PAGE_TABLES is too small!");
+		while (1)
+			halt();
+	}
+
+	early_pgt_done = true;
+}
+
 void __init x86_64_start_kernel(char * real_mode_data)
 {
 	int i;
@@ -70,12 +165,13 @@ void __init x86_64_start_kernel(char * r
 				(__START_KERNEL & PGDIR_MASK)));
 	BUILD_BUG_ON(__fix_to_virt(__end_of_fixed_addresses) <= MODULES_END);
 
+	/* Kill off the identity-map trampoline */
+	reset_early_page_tables();
+
 	/* clear bss before set_intr_gate with early_idt_handler */
 	clear_bss();
 
-	/* Make NULL pointers segfault */
-	zap_identity_mappings();
-
+	/* XXX - this is wrong... we need to build page tables from scratch */
 	max_pfn_mapped = KERNEL_IMAGE_SIZE >> PAGE_SHIFT;
 
 	for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) {
@@ -92,6 +188,8 @@ void __init x86_64_start_kernel(char * r
 	if (console_loglevel == 10)
 		early_printk("Kernel alive\n");
 
+	early_mapping_init();
+
 	x86_64_start_reservations(real_mode_data);
 }
 
Index: linux-2.6/arch/x86/kernel/head_64.S
===================================================================
--- linux-2.6.orig/arch/x86/kernel/head_64.S
+++ linux-2.6/arch/x86/kernel/head_64.S
@@ -47,14 +47,13 @@ L3_START_KERNEL = pud_index(__START_KERN
 	.code64
 	.globl startup_64
 startup_64:
-
 	/*
 	 * At this point the CPU runs in 64bit mode CS.L = 1 CS.D = 1,
 	 * and someone has loaded an identity mapped page table
 	 * for us.  These identity mapped page tables map all of the
 	 * kernel pages and possibly all of memory.
 	 *
-	 * %esi holds a physical pointer to real_mode_data.
+	 * %rsi holds a physical pointer to real_mode_data.
 	 *
 	 * We come here either directly from a 64bit bootloader, or from
 	 * arch/x86_64/boot/compressed/head.S.
@@ -66,7 +65,8 @@ startup_64:
 	 * tables and then reload them.
 	 */
 
-	/* Compute the delta between the address I am compiled to run at and the
+	/*
+	 * Compute the delta between the address I am compiled to run at and the
 	 * address I am actually running at.
 	 */
 	leaq	_text(%rip), %rbp
@@ -78,45 +78,62 @@ startup_64:
 	testl	%eax, %eax
 	jnz	bad_address
 
-	/* Is the address too large? */
-	leaq	_text(%rip), %rdx
-	movq	$PGDIR_SIZE, %rax
-	cmpq	%rax, %rdx
-	jae	bad_address
-
-	/* Fixup the physical addresses in the page table
-	 */
-	addq	%rbp, init_level4_pgt + 0(%rip)
-	addq	%rbp, init_level4_pgt + (L4_PAGE_OFFSET*8)(%rip)
-	addq	%rbp, init_level4_pgt + (L4_START_KERNEL*8)(%rip)
+	/*
+	 * Is the address too large?
+	 */
+	leaq	_text(%rip), %rax
+	shrq	$MAX_PHYSMEM_BITS, %rax
+	jnz	bad_address
 
-	addq	%rbp, level3_ident_pgt + 0(%rip)
+	/*
+	 * Fixup the physical addresses in the page table
+	 */
+	addq	%rbp, early_level4_pgt + (L4_START_KERNEL*8)(%rip)
 
 	addq	%rbp, level3_kernel_pgt + (510*8)(%rip)
 	addq	%rbp, level3_kernel_pgt + (511*8)(%rip)
 
 	addq	%rbp, level2_fixmap_pgt + (506*8)(%rip)
 
-	/* Add an Identity mapping if I am above 1G */
+	/*
+	 * Set up the identity mapping for the switchover.  These
+	 * entries should *NOT* have the global bit set!  This also
+	 * creates a bunch of nonsense entries but that is fine --
+	 * it avoids problems around wraparound.
+	 */
 	leaq	_text(%rip), %rdi
-	andq	$PMD_PAGE_MASK, %rdi
+	leaq	early_level4_pgt(%rip), %rbx
 
 	movq	%rdi, %rax
-	shrq	$PUD_SHIFT, %rax
-	andq	$(PTRS_PER_PUD - 1), %rax
-	jz	ident_complete
+	shrq	$PGDIR_SHIFT, %rax
 
-	leaq	(level2_spare_pgt - __START_KERNEL_map + _KERNPG_TABLE)(%rbp), %rdx
-	leaq	level3_ident_pgt(%rip), %rbx
-	movq	%rdx, 0(%rbx, %rax, 8)
+	leaq	(4096 + _KERNPG_TABLE)(%rbx), %rdx
+	movq	%rdx, 0(%rbx,%rax,8)
+	movq	%rdx, 8(%rbx,%rax,8)
 
+	addq	$4096, %rdx
 	movq	%rdi, %rax
-	shrq	$PMD_SHIFT, %rax
-	andq	$(PTRS_PER_PMD - 1), %rax
-	leaq	__PAGE_KERNEL_IDENT_LARGE_EXEC(%rdi), %rdx
-	leaq	level2_spare_pgt(%rip), %rbx
-	movq	%rdx, 0(%rbx, %rax, 8)
-ident_complete:
+	shrq	$PUD_SHIFT, %rax
+	andl	$(PTRS_PER_PUD-1), %eax
+	movq	%rdx, (4096+0)(%rbx,%rax,8)
+	movq	%rdx, (4096+8)(%rbx,%rax,8)
+
+	addq	$8192, %rbx
+	movq	%rdi, %rax
+	shrq	$PMD_SHIFT, %rdi
+	addq	$(__PAGE_KERNEL_LARGE_EXEC & ~_PAGE_GLOBAL), %rax
+	leaq	(_end - 1)(%rip), %rcx
+	shrq	$PMD_SHIFT, %rcx
+	subq	%rdi, %rcx
+	incl	%ecx
+
+1:
+	andq	$(PTRS_PER_PMD - 1), %rdi
+	movq	%rax, (%rbx,%rdi,8)
+	incq	%rdi
+	addq	$PMD_SIZE, %rax
+	decl	%ecx
+	jnz	1b
 
 	/*
 	 * Fixup the kernel text+data virtual addresses. Note that
@@ -124,7 +141,6 @@ ident_complete:
 	 * cleanup_highmap() fixes this up along with the mappings
 	 * beyond _end.
 	 */
-
 	leaq	level2_kernel_pgt(%rip), %rdi
 	leaq	4096(%rdi), %r8
 	/* See if it is a valid page table entry */
@@ -139,17 +155,14 @@ ident_complete:
 	/* Fixup phys_base */
 	addq	%rbp, phys_base(%rip)
 
-	/* Due to ENTRY(), sometimes the empty space gets filled with
-	 * zeros. Better take a jmp than relying on empty space being
-	 * filled with 0x90 (nop)
-	 */
-	jmp secondary_startup_64
+	movq	$(early_level4_pgt - __START_KERNEL_map), %rax
+	jmp 1f
 ENTRY(secondary_startup_64)
 	/*
 	 * At this point the CPU runs in 64bit mode CS.L = 1 CS.D = 1,
 	 * and someone has loaded a mapped page table.
 	 *
-	 * %esi holds a physical pointer to real_mode_data.
+	 * %rsi holds a physical pointer to real_mode_data.
 	 *
 	 * We come here either from startup_64 (using physical addresses)
 	 * or from trampoline.S (using virtual addresses).
@@ -159,12 +172,14 @@ ENTRY(secondary_startup_64)
 	 * after the boot processor executes this code.
 	 */
 
+	movq	$(init_level4_pgt - __START_KERNEL_map), %rax
+1:
+
 	/* Enable PAE mode and PGE */
-	movl	$(X86_CR4_PAE | X86_CR4_PGE), %eax
-	movq	%rax, %cr4
+	movl	$(X86_CR4_PAE | X86_CR4_PGE), %ecx
+	movq	%rcx, %cr4
 
 	/* Setup early boot stage 4 level pagetables. */
-	movq	$(init_level4_pgt - __START_KERNEL_map), %rax
 	addq	phys_base(%rip), %rax
 	movq	%rax, %cr3
 
@@ -196,7 +211,7 @@ ENTRY(secondary_startup_64)
 	movq	%rax, %cr0
 
 	/* Setup a boot time stack */
-	movq stack_start(%rip),%rsp
+	movq stack_start(%rip), %rsp
 
 	/* zero EFLAGS after setting rsp */
 	pushq $0
@@ -236,21 +251,19 @@ ENTRY(secondary_startup_64)
 	movl	initial_gs+4(%rip),%edx
 	wrmsr	
 
-	/* esi is pointer to real mode structure with interesting info.
+	/* rsi is pointer to real mode structure with interesting info.
 	   pass it to C */
-	movl	%esi, %edi
+	movq	%rsi, %rdi
 	
 	/* Finally jump to run C code and to be on real kernel address
 	 * Since we are running on identity-mapped space we have to jump
 	 * to the full 64bit address, this is only possible as indirect
 	 * jump.  In addition we need to ensure %cs is set so we make this
-	 * a far return.
+	 * a far jump.
 	 */
-	movq	initial_code(%rip),%rax
 	pushq	$0		# fake return address to stop unwinder
-	pushq	$__KERNEL_CS	# set correct cs
-	pushq	%rax		# target address in negative space
-	lretq
+	/* gas 2.22 is buggy and mis-assembles ljmpq */
+	rex64 ljmp *initial_code(%rip)
 
 #ifdef CONFIG_HOTPLUG_CPU
 /*
@@ -270,13 +283,15 @@ ENDPROC(start_cpu0)
 
 	/* SMP bootup changes these two */
 	__REFDATA
-	.align	8
-	ENTRY(initial_code)
+	.balign	8
+	GLOBAL(initial_code)
 	.quad	x86_64_start_kernel
-	ENTRY(initial_gs)
+	.word	__KERNEL_CS
+	.balign	8
+	GLOBAL(initial_gs)
 	.quad	INIT_PER_CPU_VAR(irq_stack_union)
 
-	ENTRY(stack_start)
+	GLOBAL(stack_start)
 	.quad  init_thread_union+THREAD_SIZE-8
 	.word  0
 	__FINITDATA
@@ -284,7 +299,7 @@ ENDPROC(start_cpu0)
 bad_address:
 	jmp bad_address
 
-	.section ".init.text","ax"
+	__INIT
 	.globl early_idt_handlers
 early_idt_handlers:
 	# 104(%rsp) %rflags
@@ -321,14 +336,22 @@ ENTRY(early_idt_handler)
 	pushq %r11		#  0(%rsp)
 
 	cmpl $__KERNEL_CS,96(%rsp)
-	jne 10f
+	jne 11f
+
+	cmpl $14,72(%rsp)	# Page fault?
+	jnz 10f
+	GET_CR2_INTO(%rdi)	# can clobber any volatile register if pv
+	call early_make_pgtable
+	andl %eax,%eax
+	jz 20f			# All good
 
+10:
 	leaq 88(%rsp),%rdi	# Pointer to %rip
 	call early_fixup_exception
 	andl %eax,%eax
 	jnz 20f			# Found an exception entry
 
-10:
+11:
 #ifdef CONFIG_EARLY_PRINTK
 	GET_CR2_INTO(%r9)	# can clobber any volatile register if pv
 	movl 80(%rsp),%r8d	# error code
@@ -350,7 +373,7 @@ ENTRY(early_idt_handler)
 1:	hlt
 	jmp 1b
 
-20:	# Exception table entry found
+20:	# Exception table entry found or page table generated
 	popq %r11
 	popq %r10
 	popq %r9
@@ -364,6 +387,8 @@ ENTRY(early_idt_handler)
 	decl early_recursion_flag(%rip)
 	INTERRUPT_RETURN
 
+	__INITDATA
+
 	.balign 4
 early_recursion_flag:
 	.long 0
@@ -374,11 +399,10 @@ early_idt_msg:
 early_idt_ripmsg:
 	.asciz "RIP %s\n"
 #endif /* CONFIG_EARLY_PRINTK */
-	.previous
 
 #define NEXT_PAGE(name) \
 	.balign	PAGE_SIZE; \
-ENTRY(name)
+GLOBAL(name)
 
 /* Automate the creation of 1 to 1 mapping pmd entries */
 #define PMDS(START, PERM, COUNT)			\
@@ -388,24 +412,37 @@ ENTRY(name)
 	i = i + 1 ;					\
 	.endr
 
+	__INITDATA
+NEXT_PAGE(early_level4_pgt)
+	.fill	511,8,0
+	.quad	level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE
+
+NEXT_PAGE(early_dynamic_pgts)
+	.fill	512*EARLY_DYNAMIC_PAGE_TABLES,8,0
+
 	.data
-	/*
-	 * This default setting generates an ident mapping at address 0x100000
-	 * and a mapping for the kernel that precisely maps virtual address
-	 * 0xffffffff80000000 to physical address 0x000000. (always using
-	 * 2Mbyte large pages provided by PAE mode)
-	 */
+
+#ifndef CONFIG_XEN
 NEXT_PAGE(init_level4_pgt)
-	.quad	level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
-	.org	init_level4_pgt + L4_PAGE_OFFSET*8, 0
-	.quad	level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
-	.org	init_level4_pgt + L4_START_KERNEL*8, 0
+	.fill	512,8,0
+#else
+NEXT_PAGE(init_level4_pgt)
+	.quad   level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
+	.org    init_level4_pgt + L4_PAGE_OFFSET*8, 0
+	.quad   level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
+	.org    init_level4_pgt + L4_START_KERNEL*8, 0
 	/* (2^48-(2*1024*1024*1024))/(2^39) = 511 */
-	.quad	level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE
+	.quad   level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE
 
 NEXT_PAGE(level3_ident_pgt)
 	.quad	level2_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
-	.fill	511,8,0
+	.fill	511, 8, 0
+NEXT_PAGE(level2_ident_pgt)
+	/* Since I easily can, map the first 1G.
+	 * Don't set NX because code runs from these pages.
+	 */
+	PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, PTRS_PER_PMD)
+#endif
 
 NEXT_PAGE(level3_kernel_pgt)
 	.fill	L3_START_KERNEL,8,0
@@ -413,21 +450,6 @@ NEXT_PAGE(level3_kernel_pgt)
 	.quad	level2_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE
 	.quad	level2_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE
 
-NEXT_PAGE(level2_fixmap_pgt)
-	.fill	506,8,0
-	.quad	level1_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE
-	/* 8MB reserved for vsyscalls + a 2MB hole = 4 + 1 entries */
-	.fill	5,8,0
-
-NEXT_PAGE(level1_fixmap_pgt)
-	.fill	512,8,0
-
-NEXT_PAGE(level2_ident_pgt)
-	/* Since I easily can, map the first 1G.
-	 * Don't set NX because code runs from these pages.
-	 */
-	PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, PTRS_PER_PMD)
-
 NEXT_PAGE(level2_kernel_pgt)
 	/*
 	 * 512 MB kernel mapping. We spend a full page on this pagetable
@@ -442,11 +464,16 @@ NEXT_PAGE(level2_kernel_pgt)
 	PMDS(0, __PAGE_KERNEL_LARGE_EXEC,
 		KERNEL_IMAGE_SIZE/PMD_SIZE)
 
-NEXT_PAGE(level2_spare_pgt)
-	.fill   512, 8, 0
+NEXT_PAGE(level2_fixmap_pgt)
+	.fill	506,8,0
+	.quad	level1_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE
+	/* 8MB reserved for vsyscalls + a 2MB hole = 4 + 1 entries */
+	.fill	5,8,0
+
+NEXT_PAGE(level1_fixmap_pgt)
+	.fill	512,8,0
 
 #undef PMDS
-#undef NEXT_PAGE
 
 	.data
 	.align 16
@@ -472,6 +499,5 @@ ENTRY(nmi_idt_table)
 	.skip IDT_ENTRIES * 16
 
 	__PAGE_ALIGNED_BSS
-	.align PAGE_SIZE
-ENTRY(empty_zero_page)
+NEXT_PAGE(empty_zero_page)
 	.skip PAGE_SIZE
Index: linux-2.6/arch/x86/mm/init.c
===================================================================
--- linux-2.6.orig/arch/x86/mm/init.c
+++ linux-2.6/arch/x86/mm/init.c
@@ -75,14 +75,22 @@ __ref void *alloc_low_pages(unsigned int
 	return __va(pfn << PAGE_SHIFT);
 }
 
-/* need 4 4k for initial PMD_SIZE, 4k for 0-ISA_END_ADDRESS */
-#define INIT_PGT_BUF_SIZE	(5 * PAGE_SIZE)
+/*
+ * need 3 4k for initial PMD_SIZE,
+ *      3 4k for 0-ISA_END_ADDRESS,
+ *      3 4k for BRK
+ */
+#define INIT_PGT_BUF_SIZE	(9 * PAGE_SIZE)
 RESERVE_BRK(early_pgt_alloc, INIT_PGT_BUF_SIZE);
 void  __init early_alloc_pgt_buf(void)
 {
 	unsigned long tables = INIT_PGT_BUF_SIZE;
 	phys_addr_t base;
 
+	/* share level3 and level2 with ISA_END_ADDRESS ? */
+	if (__pa_symbol(__brk_limit) <= PUD_SIZE)
+		tables -= 2 * PAGE_SIZE;
+
 	base = __pa(extend_brk(tables, PAGE_SIZE));
 
 	pgt_buf_start = base >> PAGE_SHIFT;
@@ -410,6 +418,12 @@ void __init init_mem_mapping(void)
 	/* the ISA range is always mapped regardless of memory holes */
 	init_memory_mapping(0, ISA_END_ADDRESS);
 
+#ifdef CONFIG_X86_64
+	/* BRK is more important than others */
+	init_memory_mapping(__pa_symbol(__brk_base), __pa_symbol(__brk_limit));
+	load_cr3(swapper_pg_dir);
+#endif
+
 	/* xen has big range in reserved near end of ram, skip it at first */
 	addr = memblock_find_in_range(ISA_END_ADDRESS, end, PMD_SIZE,
 			 PAGE_SIZE);

Re: [PATCH v7 06/27] x86, 64bit: early #PF handler set page table

[H. Peter Anvin]

On 12/18/2012 12:43 PM, Yinghai Lu wrote:
> On Mon, Dec 17, 2012 at 11:15 PM, Yinghai Lu <yinghai@kernel.org> wrote:
>> -v8: we need to keep that handler alive until init_mem_mapping and don't
>>       let early_trap_init to trash that early #PF handler.
>>       So split early_trap_pf_init out and move it down. - Yinghai
>
> Peter,
>
> looks like moving down early_trap_init would break kgdb.
>
> we could make temporary early pgt cover 1G, and kernel and stop updating later.
>
> please check attached patch.
>
> init_mem_mapping need to be change a little: map BRK at first then switch pgt.
>
> Thanks
>
> Yinghai
>

That is putting the cart before the horse.  What is the specific 
requirement with kgdb here (I didn't see any email on that, please don't 
have private back conversations)?  Either way, however, kgdb is a tool 
to debug the kernel... having it a barrier for proper functionality of 
the kernel is not acceptable.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

Re: [PATCH v7 06/27] x86, 64bit: early #PF handler set page table

[Yinghai Lu]

On Tue, Dec 18, 2012 at 12:49 PM, H. Peter Anvin <hpa@zytor.com> wrote:
> On 12/18/2012 12:43 PM, Yinghai Lu wrote:

>
> That is putting the cart before the horse.  What is the specific requirement
> with kgdb here (I didn't see any email on that, please don't have private
> back conversations)?  Either way, however, kgdb is a tool to debug the
> kernel... having it a barrier for proper functionality of the kernel is not
> acceptable.

did not hear back from Jason or Jan.

Looks like last mail in LKML from Jason is about Oct 20

looks like kgdb is want DB, BP, and PF are set at first.

and just after that early_param for kgdbwait will get into to hold the kernel.

then command from kgdb could dump ram etc.

Re: [PATCH v7 06/27] x86, 64bit: early #PF handler set page table

[H. Peter Anvin]

On 12/18/2012 12:55 PM, Yinghai Lu wrote:
> On Tue, Dec 18, 2012 at 12:49 PM, H. Peter Anvin <hpa@zytor.com> wrote:
>> On 12/18/2012 12:43 PM, Yinghai Lu wrote:
> 
>>
>> That is putting the cart before the horse.  What is the specific requirement
>> with kgdb here (I didn't see any email on that, please don't have private
>> back conversations)?  Either way, however, kgdb is a tool to debug the
>> kernel... having it a barrier for proper functionality of the kernel is not
>> acceptable.
> 
> did not hear back from Jason or Jan.
> 
> Looks like last mail in LKML from Jason is about Oct 20
> 
> looks like kgdb is want DB, BP, and PF are set at first.
> 
> and just after that early_param for kgdbwait will get into to hold the kernel.
> 
> then command from kgdb could dump ram etc.
> 

So in that case, kgdb is broken and will need to be fixed up.  That
happens all the time with debugging tools.

	-hpa

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Borislav Petkov]

On Mon, Dec 17, 2012 at 11:15:32PM -0800, Yinghai Lu wrote:
> Now we have limit kdump reseved under 896M, because kexec has the limitation.
> and also bzImage need to stay under 4g.
> 
> To make kexec/kdump could use range above 4g, we need to make bzImage and
> ramdisk could be loaded above 4g.
> During booting bzImage will be unpacked on same postion and stay high.
> 
> The patches add fields in setup_header and boot_params to
> 1. get info about ramdisk position info above 4g from bootloader/kexec
> 2. get info about cmd_line_ptr info above 4g from bootloader/kexec
> 3. set xloadflags bit0 in header for bzImage and bootloader/kexec load
>    could check that to decide if it could to put bzImage high.
> 4. use sentinel to make sure ext_* fields in boot_params could be used.
> 
> This patches is tested with kexec tools with local changes and they are sent
> to kexec list later.
> 
> could be found at:
> 
>         git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-x86-boot
> 
> and it is on top of linus's tree 2012-12-17
> plus tip:x86/mm, tip:x86/urgent, tip:x86/mm2

Ok, I have a question. So I started reviewing those and then a couple of
days later you've sent a new patchset and have ignored all the review
comments I made. They weren't a lot but still.

So now that I see this new one, I'm not really inclined to look at it
anymore because if you ignore that feedback again, then I'm clearly
wasting my time. And I don't want to waste my time. I could be out
fishing for all I know, instead of sitting in front of the crate here.

So please, would you be so nice and tell me which is it:

* you're not at all interested in feedback

* you're not interested in *my* feedback, specifically

* you don't care about properly written commit messages, as long as they work

* writing proper commit messages is for pussies

* ... anything else I can't think of.


So I'd appreciate it if you stated which is it. I mean, it makes a very
little sense, if any, to waste each-other's time and therefore, stating
it out in the open is definitely and constructively more helpful. This
way we all know where we're headed.

Thanks a lot for your time.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Yinghai Lu]

On Tue, Dec 18, 2012 at 2:43 PM, Borislav Petkov <bp@alien8.de> wrote:
> you don't care about properly written commit messages, as long as they work

It seems that you are quite upset somehow.

Writing changelog that everyone could understand seems not be possible for me.
Even I tried harder and splt patches to small pieces.

This patchset is still on going stage, and still need to check with kgdb guys.
I sent v7 out for more broader review, as some or most guys like to
check that in plain-text email instead of git branch.

So don't worry, commit log problem will be addressed.

Thanks

Yinghai

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Borislav Petkov]

Hi Yinghai,

On Tue, Dec 18, 2012 at 03:08:16PM -0800, Yinghai Lu wrote:
> On Tue, Dec 18, 2012 at 2:43 PM, Borislav Petkov <bp@alien8.de> wrote:
> > you don't care about properly written commit messages, as long as they work
> 
> It seems that you are quite upset somehow.

sorry if I've made the wrong impression, but I'm not upset at all - I
was simply asking.

> Writing changelog that everyone could understand seems not be possible
> for me. Even I tried harder and splt patches to small pieces.
>
> This patchset is still on going stage, and still need to check with
> kgdb guys. I sent v7 out for more broader review, as some or most guys
> like to check that in plain-text email instead of git branch.
>
> So don't worry, commit log problem will be addressed.

I understand all that but I shouldn't be telling you how the whole
process works: you write a patch addressing one logical thing at a time,
write a commit message explaining the reason for the patch and then send
it out to everyone for review.

During the review, you read review emails and if you agree with the
suggested changes, you incorporate them in your patchset. This is the
continuous improvement we do until the patchset is mergeable.

Now you say, writing understandable changelogs are not possible for you
- well, I had one changelog written for you and asked you whether this
is what you mean. You didn't say anything. If it were, you could've
added it to the commit message and thus hopefully make the patch more
understandable. And I'm not saying I can write better, but I'm trying
and sometimes it seems to work.

All I'm saying is, if you have trouble with writing commit messages, we
can write them for you and you can tell us whether they make sense or
not. And use those pieces which make sense. And learn along the way.
I mean, we're all learning here; hell, I'm learning a lot from your
patchset too.

This is why I tried to review it, it teaches me stuff.

And the main thing is, if you don't write proper commit messages and do
not explain your code, this thing grows into an unmaintainable mess and
we don't do that crap in Linux. We want this code to be understandable
to more people not to less.

This is all I'm saying, please write more understandable commit messages
and if you can't, then ask us - we're more than glad to help.

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

Re: [PATCH v7 26/27] x86: add Crash kernel low reservation

[Borislav Petkov]

On Mon, Dec 17, 2012 at 11:15:58PM -0800, Yinghai Lu wrote:
> +static u64 __init get_mem_size(unsigned long limit_pfn)
> +{
> +	int i;
> +	u64 pages = 0;
> +	unsigned long start_pfn, end_pfn;
> +
> +	for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, NULL) {
> +		start_pfn = min_t(unsigned long, start_pfn, limit_pfn);
> +		end_pfn = min_t(unsigned long, end_pfn, limit_pfn);
> +		pages += end_pfn - start_pfn;
> +	}
> +
> +	return pages << PAGE_SHIFT;
> +}

This needs an empty function prototype for the .config variant where both

# CONFIG_BLK_DEV_INITRD is not set
# CONFIG_KEXEC is not set

otherwise:

arch/x86/kernel/setup.c:295:19: warning: ‘get_mem_size’ defined but not used [-Wunused-function]

At a second glance though, a better fix might be if that whole
if-deffery in setup.c could be cleaned up a bit.

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

Re: [PATCH v7 26/27] x86: add Crash kernel low reservation

[Yinghai Lu]

On Wed, Dec 19, 2012 at 9:22 AM, Borislav Petkov <bp@alien8.de> wrote:
> On Mon, Dec 17, 2012 at 11:15:58PM -0800, Yinghai Lu wrote:
>> +static u64 __init get_mem_size(unsigned long limit_pfn)
>> +{
>> +     int i;
>> +     u64 pages = 0;
>> +     unsigned long start_pfn, end_pfn;
>> +
>> +     for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, NULL) {
>> +             start_pfn = min_t(unsigned long, start_pfn, limit_pfn);
>> +             end_pfn = min_t(unsigned long, end_pfn, limit_pfn);
>> +             pages += end_pfn - start_pfn;
>> +     }
>> +
>> +     return pages << PAGE_SHIFT;
>> +}
>
> This needs an empty function prototype for the .config variant where both
>
> # CONFIG_BLK_DEV_INITRD is not set
> # CONFIG_KEXEC is not set
>
> otherwise:
>
> arch/x86/kernel/setup.c:295:19: warning: ‘get_mem_size’ defined but not used [-Wunused-function]
>
> At a second glance though, a better fix might be if that whole
> if-deffery in setup.c could be cleaned up a bit.
>

ok,  will move the function into e820.c or memblock.c

Thanks

Yinghai

Re: [PATCH v7 06/27] x86, 64bit: early #PF handler set page table

[Yinghai Lu]

On Tue, Dec 18, 2012 at 1:07 PM, H. Peter Anvin <hpa@zytor.com> wrote:
> On 12/18/2012 12:55 PM, Yinghai Lu wrote:
>> On Tue, Dec 18, 2012 at 12:49 PM, H. Peter Anvin <hpa@zytor.com> wrote:
>>> On 12/18/2012 12:43 PM, Yinghai Lu wrote:
>>
>>>
>>> That is putting the cart before the horse.  What is the specific requirement
>>> with kgdb here (I didn't see any email on that, please don't have private
>>> back conversations)?  Either way, however, kgdb is a tool to debug the
>>> kernel... having it a barrier for proper functionality of the kernel is not
>>> acceptable.
>>
>> did not hear back from Jason or Jan.
>>
>> Looks like last mail in LKML from Jason is about Oct 20
>>
>> looks like kgdb is want DB, BP, and PF are set at first.
>>
>> and just after that early_param for kgdbwait will get into to hold the kernel.
>>
>> then command from kgdb could dump ram etc.
>>
>
> So in that case, kgdb is broken and will need to be fixed up.  That
> happens all the time with debugging tools.
>

If there is a way that we can make all parties happy, we really should
not break KGDB.

Please reconsider to stop #PF handler in x86_64_start_kernel. in that case
1. microcode update still can use #PF handler to find microcode in
ramdisk and use it.
2. kernel that is loaded above 4G, could set mapping in C instead of
set that in head_64.S
   and use ioremap to access zero_page
3. KGDB still can call early_trap_init early before init_mem_mapping.

I put the change in for-x86-boot-v8 branch.
core patch is:
http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a=commitdiff;h=6fa4f1e68f0b67d0dc13d30c5ce6c3932697d08f

Thanks

Yinghai

Re: [PATCH v7 24/27] x86: Add swiotlb force off support

[Konrad Rzeszutek Wilk]

On Mon, Dec 17, 2012 at 11:15:56PM -0800, Yinghai Lu wrote:
> So use could disable swiotlb from command line, even swiotlb support
> is compiled in.  Just like we have intel_iommu=on and intel_iommu=off.

You really need to spell out why this is useful.

> 
> Signed-off-by: Yinghai Lu <yinghai@kernel.org>
> ---
>  Documentation/kernel-parameters.txt |    7 +++++++
>  arch/x86/kernel/pci-swiotlb.c       |   10 +++++-----
>  drivers/iommu/amd_iommu.c           |    1 +
>  include/linux/swiotlb.h             |    1 +
>  lib/swiotlb.c                       |    5 ++++-
>  5 files changed, 18 insertions(+), 6 deletions(-)
> 
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index ea8e5b4..2b37020 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -2835,6 +2835,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
>  
>  	swiotlb=	[IA-64] Number of I/O TLB slabs
>  
> +	swiotlb=[force|off|on] [KNL] disable or enable swiotlb.
> +		force
> +		on
> +			Enable swiotlb.
> +		off
> +			Disable swiotlb.
> +
>  	switches=	[HW,M68k]
>  
>  	sysfs.deprecated=0|1 [KNL]
> diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
> index 6f93eb7..80afd3b 100644
> --- a/arch/x86/kernel/pci-swiotlb.c
> +++ b/arch/x86/kernel/pci-swiotlb.c
> @@ -58,12 +58,12 @@ static struct dma_map_ops swiotlb_dma_ops = {
>   */
>  int __init pci_swiotlb_detect_override(void)
>  {
> -	int use_swiotlb = swiotlb | swiotlb_force;
> -
>  	if (swiotlb_force)
>  		swiotlb = 1;
> +	else if (swiotlb_force_off)
> +		swiotlb = 0;
>  
> -	return use_swiotlb;
> +	return swiotlb;
>  }
>  IOMMU_INIT_FINISH(pci_swiotlb_detect_override,
>  		  pci_xen_swiotlb_detect,
> @@ -76,9 +76,9 @@ IOMMU_INIT_FINISH(pci_swiotlb_detect_override,
>   */
>  int __init pci_swiotlb_detect_4gb(void)
>  {
> -	/* don't initialize swiotlb if iommu=off (no_iommu=1) */
> +	/* don't initialize swiotlb if iommu=off (no_iommu=1) or force off */
>  #ifdef CONFIG_X86_64
> -	if (!no_iommu && max_pfn > MAX_DMA32_PFN)
> +	if (!no_iommu && !swiotlb_force_off && max_pfn > MAX_DMA32_PFN)
>  		swiotlb = 1;
>  #endif
>  	return swiotlb;
> diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
> index 55074cb..4f370d3 100644
> --- a/drivers/iommu/amd_iommu.c
> +++ b/drivers/iommu/amd_iommu.c
> @@ -3082,6 +3082,7 @@ int __init amd_iommu_init_dma_ops(void)
>  	unhandled = device_dma_ops_init();
>  	if (unhandled && max_pfn > MAX_DMA32_PFN) {
>  		/* There are unhandled devices - initialize swiotlb for them */
> +		WARN(swiotlb_force_off, "Please remove swiotlb=off\n");
>  		swiotlb = 1;
>  	}
>  
> diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
> index 1d2506f..dc43968 100644
> --- a/include/linux/swiotlb.h
> +++ b/include/linux/swiotlb.h
> @@ -8,6 +8,7 @@ struct dma_attrs;
>  struct scatterlist;
>  
>  extern int swiotlb_force;
> +extern int swiotlb_force_off;

I think the usage of the swiotlb_force and making it a flag is a better way.
>  
>  /*
>   * Maximum allowable number of contiguous slabs to map,
> diff --git a/lib/swiotlb.c b/lib/swiotlb.c
> index 958322e..3a0ec46 100644
> --- a/lib/swiotlb.c
> +++ b/lib/swiotlb.c
> @@ -51,6 +51,7 @@
>  #define IO_TLB_MIN_SLABS ((1<<20) >> IO_TLB_SHIFT)
>  
>  int swiotlb_force;
> +int swiotlb_force_off;
>  
>  /*
>   * Used to do a quick range check in swiotlb_tbl_unmap_single and
> @@ -102,8 +103,10 @@ setup_io_tlb_npages(char *str)
>  	}
>  	if (*str == ',')
>  		++str;
> -	if (!strcmp(str, "force"))
> +	if (!strcmp(str, "force") || !strcmp(str, "on"))
>  		swiotlb_force = 1;
> +	if (!strcmp(str, "off"))
> +		swiotlb_force_off = 1;
>  
>  	return 1;
>  }
> -- 
> 1.7.10.4
> 
> --
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> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
> 

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Konrad Rzeszutek Wilk]

On Mon, Dec 17, 2012 at 11:15:32PM -0800, Yinghai Lu wrote:
> Now we have limit kdump reseved under 896M, because kexec has the limitation.
> and also bzImage need to stay under 4g.
> 
> To make kexec/kdump could use range above 4g, we need to make bzImage and
> ramdisk could be loaded above 4g.
> During booting bzImage will be unpacked on same postion and stay high.
> 
> The patches add fields in setup_header and boot_params to
> 1. get info about ramdisk position info above 4g from bootloader/kexec
> 2. get info about cmd_line_ptr info above 4g from bootloader/kexec
> 3. set xloadflags bit0 in header for bzImage and bootloader/kexec load
>    could check that to decide if it could to put bzImage high.
> 4. use sentinel to make sure ext_* fields in boot_params could be used.
> 
> This patches is tested with kexec tools with local changes and they are sent
> to kexec list later.
> 
> could be found at:
> 
>         git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-x86-boot

Did a light test and it looks to work under Xen - thought I had not tested
any various configuration of memory layouts. 

More worryingly it blew up under native under an Dell T105 AMD box with 4GB of memory.
I can't get it even to print anything on the serial log:

(this is an excerpt from pxelinux.cfg/C0A8 file)
LABEL BAREMETAL
   KERNEL vmlinuz
   APPEND initrd=initramfs.cpio.gz debug selinux=0  loglevel=10 apic=debug console=uart8250,115200n8


PXELINUX 3.82 2009-06-09  Copyright (C) 1994-2009 H. Peter Anvin et al
Loading vmlinuz.......................................................................
Loading initramfs.cpio.gz.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ready.

Re: [PATCH v7 24/27] x86: Add swiotlb force off support

[Eric W. Biederman]

Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> writes:

> On Mon, Dec 17, 2012 at 11:15:56PM -0800, Yinghai Lu wrote:
>> So use could disable swiotlb from command line, even swiotlb support
>> is compiled in.  Just like we have intel_iommu=on and intel_iommu=off.
>
> You really need to spell out why this is useful.

YH why can't we safely autodetect that the swiotlb is unusable when
there is no memory below 4G free?

Eric

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[H. Peter Anvin]

Earlyprintk please?

Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> wrote:

>On Mon, Dec 17, 2012 at 11:15:32PM -0800, Yinghai Lu wrote:
>> Now we have limit kdump reseved under 896M, because kexec has the
>limitation.
>> and also bzImage need to stay under 4g.
>> 
>> To make kexec/kdump could use range above 4g, we need to make bzImage
>and
>> ramdisk could be loaded above 4g.
>> During booting bzImage will be unpacked on same postion and stay
>high.
>> 
>> The patches add fields in setup_header and boot_params to
>> 1. get info about ramdisk position info above 4g from
>bootloader/kexec
>> 2. get info about cmd_line_ptr info above 4g from bootloader/kexec
>> 3. set xloadflags bit0 in header for bzImage and bootloader/kexec
>load
>>    could check that to decide if it could to put bzImage high.
>> 4. use sentinel to make sure ext_* fields in boot_params could be
>used.
>> 
>> This patches is tested with kexec tools with local changes and they
>are sent
>> to kexec list later.
>> 
>> could be found at:
>> 
>>        
>git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git
>for-x86-boot
>
>Did a light test and it looks to work under Xen - thought I had not
>tested
>any various configuration of memory layouts. 
>
>More worryingly it blew up under native under an Dell T105 AMD box with
>4GB of memory.
>I can't get it even to print anything on the serial log:
>
>(this is an excerpt from pxelinux.cfg/C0A8 file)
>LABEL BAREMETAL
>   KERNEL vmlinuz
>APPEND initrd=initramfs.cpio.gz debug selinux=0  loglevel=10 apic=debug
>console=uart8250,115200n8
>
>
>PXELINUX 3.82 2009-06-09  Copyright (C) 1994-2009 H. Peter Anvin et al
>Loading
>vmlinuz.......................................................................
>Loading
>initramfs.cpio.gz...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................!
 .........
................................................................................................................................................................................................................................................................................ready.

-- 
Sent from my mobile phone. Please excuse brevity and lack of formatting.

Re: [PATCH v7 24/27] x86: Add swiotlb force off support

[Konrad Rzeszutek Wilk]

On Fri, Dec 21, 2012 at 06:42:47PM -0800, Eric W. Biederman wrote:
> Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> writes:
> 
> > On Mon, Dec 17, 2012 at 11:15:56PM -0800, Yinghai Lu wrote:
> >> So use could disable swiotlb from command line, even swiotlb support
> >> is compiled in.  Just like we have intel_iommu=on and intel_iommu=off.
> >
> > You really need to spell out why this is useful.
> 
> YH why can't we safely autodetect that the swiotlb is unusable when
> there is no memory below 4G free?

I am not sure what 'YH' stands for (Yeah?).

However we could turn SWIOTLB off altogether if it cannot allocate
_some_ memory. It could try first 64MB, then 32MB, lastly 16MB. And
if all that fails - print a nice warning and continue on.

Later in the late initialization phase, when pci_swiotlb_late_init
is called - it can then figure out whether 'iommu' has been set
and it iself was never able to allocate. At that point it can try
the dynamic allocation (swiotlb_late_init_with_default_size)
... and if that fails give up and panic.

Re: [PATCH v7 24/27] x86: Add swiotlb force off support

[Eric W. Biederman]

Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> writes:

> On Fri, Dec 21, 2012 at 06:42:47PM -0800, Eric W. Biederman wrote:
>> Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> writes:
>> 
>> > On Mon, Dec 17, 2012 at 11:15:56PM -0800, Yinghai Lu wrote:
>> >> So use could disable swiotlb from command line, even swiotlb support
>> >> is compiled in.  Just like we have intel_iommu=on and intel_iommu=off.
>> >
>> > You really need to spell out why this is useful.
>> 
>> YH why can't we safely autodetect that the swiotlb is unusable when
>> there is no memory below 4G free?
>
> I am not sure what 'YH' stands for (Yeah?).  

Yinghai Lu's nickname.

> However we could turn SWIOTLB off altogether if it cannot allocate
> _some_ memory. It could try first 64MB, then 32MB, lastly 16MB. And
> if all that fails - print a nice warning and continue on.
>
> Later in the late initialization phase, when pci_swiotlb_late_init
> is called - it can then figure out whether 'iommu' has been set
> and it iself was never able to allocate. At that point it can try
> the dynamic allocation (swiotlb_late_init_with_default_size)
> ... and if that fails give up and panic.

As far as I can tell panics should be avoided unless there is something
that actually needs an iommu, and the swiommu is the only option, and
the swiommu can not fulfill that request.

In this case YH has been working on the case of loading a kernel
completely above 4G, and apparently he has also been testing the case of
running a kernel with no memory below 4G.

Eric

Re: [PATCH v7 24/27] x86: Add swiotlb force off support

[H. Peter Anvin]

On 12/21/2012 07:23 PM, Eric W. Biederman wrote:
> 
> In this case YH has been working on the case of loading a kernel
> completely above 4G, and apparently he has also been testing the case of
> running a kernel with no memory below 4G.
> 

It is worth noting that we cannot run with *no* memory below 4G -- it is
not possible to run SMP at least without some memory below the 1M mark.

	-hpa

Re: [PATCH v7 24/27] x86: Add swiotlb force off support

[Yinghai Lu]

On Fri, Dec 21, 2012 at 6:42 PM, Eric W. Biederman
<ebiederm@xmission.com> wrote:
> Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> writes:
>
>> On Mon, Dec 17, 2012 at 11:15:56PM -0800, Yinghai Lu wrote:
>>> So use could disable swiotlb from command line, even swiotlb support
>>> is compiled in.  Just like we have intel_iommu=on and intel_iommu=off.
>>
>> You really need to spell out why this is useful.
>
> YH why can't we safely autodetect that the swiotlb is unusable when
> there is no memory below 4G free?

good point.

will give it try.

Yinghai

Re: [PATCH v7 24/27] x86: Add swiotlb force off support

[Yinghai Lu]

On Fri, Dec 21, 2012 at 7:25 PM, H. Peter Anvin <hpa@zytor.com> wrote:
> On 12/21/2012 07:23 PM, Eric W. Biederman wrote:
>>
>> In this case YH has been working on the case of loading a kernel
>> completely above 4G, and apparently he has also been testing the case of
>> running a kernel with no memory below 4G.
>>
>
> It is worth noting that we cannot run with *no* memory below 4G -- it is
> not possible to run SMP at least without some memory below the 1M mark.

yes need keep 8k or so for trampoline.

but kdump only use one CPU.

Yinghai

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Yinghai Lu]

On Fri, Dec 21, 2012 at 6:42 PM, Konrad Rzeszutek Wilk
<konrad.wilk@oracle.com> wrote:
> On Mon, Dec 17, 2012 at 11:15:32PM -0800, Yinghai Lu wrote:
>> Now we have limit kdump reseved under 896M, because kexec has the limitation.
>> and also bzImage need to stay under 4g.
>>
>> To make kexec/kdump could use range above 4g, we need to make bzImage and
>> ramdisk could be loaded above 4g.
>> During booting bzImage will be unpacked on same postion and stay high.
>>
>> The patches add fields in setup_header and boot_params to
>> 1. get info about ramdisk position info above 4g from bootloader/kexec
>> 2. get info about cmd_line_ptr info above 4g from bootloader/kexec
>> 3. set xloadflags bit0 in header for bzImage and bootloader/kexec load
>>    could check that to decide if it could to put bzImage high.
>> 4. use sentinel to make sure ext_* fields in boot_params could be used.
>>
>> This patches is tested with kexec tools with local changes and they are sent
>> to kexec list later.
>>
>> could be found at:
>>
>>         git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-x86-boot

that points to -v8.

>
> Did a light test and it looks to work under Xen - thought I had not tested
> any various configuration of memory layouts.
>
> More worryingly it blew up under native under an Dell T105 AMD box with 4GB of memory.
> I can't get it even to print anything on the serial log:

boot log with working kernel ?

>
> (this is an excerpt from pxelinux.cfg/C0A8 file)
> LABEL BAREMETAL
>    KERNEL vmlinuz
>    APPEND initrd=initramfs.cpio.gz debug selinux=0  loglevel=10 apic=debug console=uart8250,115200n8
>
>
> PXELINUX 3.82 2009-06-09  Copyright (C) 1994-2009 H. Peter Anvin et al
> Loading vmlinuz.......................................................................
> Loading initramfs.cpio.gz.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ready.
>

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Yinghai Lu]

On Fri, Dec 21, 2012 at 6:42 PM, Konrad Rzeszutek Wilk
<konrad.wilk@oracle.com> wrote:
> On Mon, Dec 17, 2012 at 11:15:32PM -0800, Yinghai Lu wrote:
>> Now we have limit kdump reseved under 896M, because kexec has the limitation.
>> and also bzImage need to stay under 4g.
>>
>> To make kexec/kdump could use range above 4g, we need to make bzImage and
>> ramdisk could be loaded above 4g.
>> During booting bzImage will be unpacked on same postion and stay high.
>>
>> The patches add fields in setup_header and boot_params to
>> 1. get info about ramdisk position info above 4g from bootloader/kexec
>> 2. get info about cmd_line_ptr info above 4g from bootloader/kexec
>> 3. set xloadflags bit0 in header for bzImage and bootloader/kexec load
>>    could check that to decide if it could to put bzImage high.
>> 4. use sentinel to make sure ext_* fields in boot_params could be used.
>>
>> This patches is tested with kexec tools with local changes and they are sent
>> to kexec list later.
>>
>> could be found at:
>>
>>         git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-x86-boot
>
> Did a light test and it looks to work under Xen - thought I had not tested
> any various configuration of memory layouts.
>
> More worryingly it blew up under native under an Dell T105 AMD box with 4GB of memory.
> I can't get it even to print anything on the serial log:

can you try that branch again ? update the #PF handler to clean
init_level4_pgt in all case.

I did not consider when you are xen enabled kernel on bare metal.

aka need to add
          clear_page(init_level4_pgt);

in init_mapping_kernel() of head_64.S

Thanks

Yinghai

Re: [PATCH v7 24/27] x86: Add swiotlb force off support

[Konrad Rzeszutek Wilk]

On Fri, Dec 21, 2012 at 07:23:03PM -0800, Eric W. Biederman wrote:
> Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> writes:
> 
> > On Fri, Dec 21, 2012 at 06:42:47PM -0800, Eric W. Biederman wrote:
> >> Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> writes:
> >> 
> >> > On Mon, Dec 17, 2012 at 11:15:56PM -0800, Yinghai Lu wrote:
> >> >> So use could disable swiotlb from command line, even swiotlb support
> >> >> is compiled in.  Just like we have intel_iommu=on and intel_iommu=off.
> >> >
> >> > You really need to spell out why this is useful.
> >> 
> >> YH why can't we safely autodetect that the swiotlb is unusable when
> >> there is no memory below 4G free?
> >
> > I am not sure what 'YH' stands for (Yeah?).  
> 
> Yinghai Lu's nickname.
> 
> > However we could turn SWIOTLB off altogether if it cannot allocate
> > _some_ memory. It could try first 64MB, then 32MB, lastly 16MB. And
> > if all that fails - print a nice warning and continue on.
> >
> > Later in the late initialization phase, when pci_swiotlb_late_init
> > is called - it can then figure out whether 'iommu' has been set
> > and it iself was never able to allocate. At that point it can try
> > the dynamic allocation (swiotlb_late_init_with_default_size)
> > ... and if that fails give up and panic.
> 
> As far as I can tell panics should be avoided unless there is something
> that actually needs an iommu, and the swiommu is the only option, and
> the swiommu can not fulfill that request.

Right.
> 
> In this case YH has been working on the case of loading a kernel
> completely above 4G, and apparently he has also been testing the case of
> running a kernel with no memory below 4G.
> 
> Eric
> 

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Konrad Rzeszutek Wilk]

On Fri, Dec 21, 2012 at 07:01:21PM -0800, H. Peter Anvin wrote:
> Earlyprintk please?

PXELINUX 3.82 2009-06-09  Copyright (C) 1994-2009 H. Peter Anvin et al
Loading vmlinuz.......................................................................
Loading initramfs.cpio.gz.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ready.
Probing EDD (edd=off to disable)... ok
early console in decompress_kernel

Decompressing Linux... Parsing ELF... done.
Booting the kernel.


Interestingly enough I only see this on any AMD machine - different
motherboards, different memory configurations.

And also in a HVM guest running on an AMD machine. If it runs on Intel
it works just fine.

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Konrad Rzeszutek Wilk]

On Sat, Dec 22, 2012 at 02:38:29AM -0800, Yinghai Lu wrote:
> On Fri, Dec 21, 2012 at 6:42 PM, Konrad Rzeszutek Wilk
> <konrad.wilk@oracle.com> wrote:
> > On Mon, Dec 17, 2012 at 11:15:32PM -0800, Yinghai Lu wrote:
> >> Now we have limit kdump reseved under 896M, because kexec has the limitation.
> >> and also bzImage need to stay under 4g.
> >>
> >> To make kexec/kdump could use range above 4g, we need to make bzImage and
> >> ramdisk could be loaded above 4g.
> >> During booting bzImage will be unpacked on same postion and stay high.
> >>
> >> The patches add fields in setup_header and boot_params to
> >> 1. get info about ramdisk position info above 4g from bootloader/kexec
> >> 2. get info about cmd_line_ptr info above 4g from bootloader/kexec
> >> 3. set xloadflags bit0 in header for bzImage and bootloader/kexec load
> >>    could check that to decide if it could to put bzImage high.
> >> 4. use sentinel to make sure ext_* fields in boot_params could be used.
> >>
> >> This patches is tested with kexec tools with local changes and they are sent
> >> to kexec list later.
> >>
> >> could be found at:
> >>
> >>         git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-x86-boot
> >
> > Did a light test and it looks to work under Xen - thought I had not tested
> > any various configuration of memory layouts.
> >
> > More worryingly it blew up under native under an Dell T105 AMD box with 4GB of memory.
> > I can't get it even to print anything on the serial log:
> 
> can you try that branch again ? update the #PF handler to clean
> init_level4_pgt in all case.

Sure. Building and will email out the results shortly.
> 
> I did not consider when you are xen enabled kernel on bare metal.

As in 'CONFIG_PARAVIRT_OPS' enabled?
> 
> aka need to add
>           clear_page(init_level4_pgt);
> 
> in init_mapping_kernel() of head_64.S
> 
> Thanks
> 
> Yinghai

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Konrad Rzeszutek Wilk]

On Fri, Dec 23, 2012 at 09:20:01PM -0800, Yinghai Lu wrote:
> On Fri, Dec 21, 2012 at 6:42 PM, Konrad Rzeszutek Wilk
> <konrad.wilk@oracle.com> wrote:
> > On Mon, Dec 17, 2012 at 11:15:32PM -0800, Yinghai Lu wrote:
> >> Now we have limit kdump reseved under 896M, because kexec has the limitation.
> >> and also bzImage need to stay under 4g.
> >>
> >> To make kexec/kdump could use range above 4g, we need to make bzImage and
> >> ramdisk could be loaded above 4g.
> >> During booting bzImage will be unpacked on same postion and stay high.
> >>
> >> The patches add fields in setup_header and boot_params to
> >> 1. get info about ramdisk position info above 4g from bootloader/kexec
> >> 2. get info about cmd_line_ptr info above 4g from bootloader/kexec
> >> 3. set xloadflags bit0 in header for bzImage and bootloader/kexec load
> >>    could check that to decide if it could to put bzImage high.
> >> 4. use sentinel to make sure ext_* fields in boot_params could be used.
> >>
> >> This patches is tested with kexec tools with local changes and they are sent
> >> to kexec list later.
> >>
> >> could be found at:
> >>
> >>         git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-x86-boot
> 
> that points to -v8.
> 
> >
> > Did a light test and it looks to work under Xen - thought I had not tested
> > any various configuration of memory layouts.
> >
> > More worryingly it blew up under native under an Dell T105 AMD box with 4GB of memory.
> > I can't get it even to print anything on the serial log:
> 
> boot log with working kernel ?

Here it is - 64-bit followed by 32-bit
The git commit matches with this upstream:
941108b

commit d7dae536a95027bac799047abd7a5bddcc163ea0
Merge: 941108b 54e37b8
Author: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date:   Fri Dec 21 04:05:39 2012 -0500

    Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
    
    * 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux: (164 commits)
      keys: use keyring_alloc() to create module signing keyring
      keys: fix unreachable code
      sendfile: allows bypassing of notifier events
      SGI-XP: handle non-fatal traps
      fat: fix incorrect function comment
      Documentation: ABI: remove testing/sysfs-devices-node
      proc: fix inconsistent lock state


PXELINUX 3.82 2009-06-09  Copyright (C) 1994-2009 H. Peter Anvin et al
Loading latest/vmlinuz.......................................................................
Loading latest/initramfs.cpio.gz....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ready.
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 3.7.0upstream-11627-g941108b (konrad@build.dumpdata.com) (gcc version 4.4.4 20100503 (Red Hat 4.4.4-2) (GCC) ) #1 SMP Thu Dec 20 18:09:18 EST 2012
[    0.000000] Command line: initrd=latest/initramfs.cpio.gz zcache nofb debug selinux=0 console=ttyS0,115200 loglevel=10 apic=debug BOOT_IMAGE=latest/vmlinuz 
[    0.000000] e820: BIOS-provided physical RAM map:
[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009d7ff] usable
[    0.000000] BIOS-e820: [mem 0x000000000009d800-0x000000000009ffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000000cc000-0x00000000000fffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007ffeffff] usable
[    0.000000] BIOS-e820: [mem 0x000000007fff0000-0x000000007fffffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000080000000-0x00000000cfeeffff] usable
[    0.000000] BIOS-e820: [mem 0x00000000cfef0000-0x00000000cfef4fff] ACPI data
[    0.000000] BIOS-e820: [mem 0x00000000cfef5000-0x00000000cff7efff] ACPI NVS
[    0.000000] BIOS-e820: [mem 0x00000000cff80000-0x00000000cfffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec0ffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fff80000-0x00000000ffffffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000012fffffff] usable
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] DMI present.
[    0.000000] DMI: Dell Inc. PowerEdge T105 /0RR825, BIOS 1.3.2 08/20/2008
[    0.000000] e820: update [mem 0x00000000-0x0000ffff] usable ==> reserved
[    0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
[    0.000000] No AGP bridge found
[    0.000000] e820: last_pfn = 0x130000 max_arch_pfn = 0x400000000
[    0.000000] MTRR default type: uncachable
[    0.000000] MTRR fixed ranges enabled:
[    0.000000]   00000-9FFFF write-back
[    0.000000]   A0000-BFFFF uncachable
[    0.000000]   C0000-CBFFF write-protect
[    0.000000]   CC000-E3FFF uncachable
[    0.000000]   E4000-FFFFF write-protect
[    0.000000] MTRR variable ranges enabled:
[    0.000000]   0 base 000000000000 mask FFFF80000000 write-back
[    0.000000]   1 base 000080000000 mask FFFFC0000000 write-back
[    0.000000]   2 base 0000C0000000 mask FFFFF0000000 write-back
[    0.000000]   3 disabled
[    0.000000]   4 disabled
[    0.000000]   5 disabled
[    0.000000]   6 disabled
[    0.000000]   7 disabled
[    0.000000] TOM2: 0000000130000000 aka 4864M
[    0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[    0.000000] e820: update [mem 0xd0000000-0xffffffff] usable ==> reserved
[    0.000000] e820: last_pfn = 0xcfef0 max_arch_pfn = 0x400000000
[    0.000000] Scan for SMP in [mem 0x00000000-0x000003ff]
[    0.000000] Scan for SMP in [mem 0x0009fc00-0x0009ffff]
[    0.000000] Scan for SMP in [mem 0x000f0000-0x000fffff]
[    0.000000] found SMP MP-table at [mem 0x000f7a70-0x000f7a7f] mapped at [ffff8800000f7a70]
[    0.000000]   mpc: 9e171-9e2a5
[    0.000000] initial memory mapped: [mem 0x00000000-0x1fffffff]
[    0.000000] Base memory trampoline at [ffff880000097000] 97000 size 24576
[    0.000000] Using GB pages for direct mapping
[    0.000000] init_memory_mapping: [mem 0x00000000-0xcfeeffff]
[    0.000000]  [mem 0x00000000-0xbfffffff] page 1G
[    0.000000]  [mem 0xc0000000-0xcfdfffff] page 2M
[    0.000000]  [mem 0xcfe00000-0xcfeeffff] page 4k
[    0.000000] kernel direct mapping tables up to 0xcfeeffff @ [mem 0x1fffd000-0x1fffffff]
[    0.000000] init_memory_mapping: [mem 0x100000000-0x12fffffff]
[    0.000000]  [mem 0x100000000-0x12fffffff] page 2M
[    0.000000] kernel direct mapping tables up to 0x12fffffff @ [mem 0xcfeee000-0xcfeeffff]
[    0.000000] RAMDISK: [mem 0x7b1b3000-0x7ffcefff]
[    0.000000] ACPI: RSDP 00000000000f79b0 00024 (v02 PTLTD )
[    0.000000] ACPI: XSDT 00000000cfef0753 0009C (v01 DELL   PE_SC3   06040000 DELL 00000000)
[    0.000000] ACPI: FACP 00000000cfef3c5f 000F4 (v03 DELL   PE_SC3   06040000 DELL 000F4240)
[    0.000000] ACPI: DSDT 00000000cfef07ef 033FC (v01 DELL   PE_SC3   06040000 MSFT 0100000E)
[    0.000000] ACPI: FACS 00000000cfef5fc0 00040
[    0.000000] ACPI: TCPA 00000000cfef3d53 00032 (v01 Phoeni  x       06040000  TL  00000000)
[    0.000000] ACPI: SLIC 00000000cfef3d85 00024 (v01 DELL   PE_SC3   06040000 PTL  00000001)
[    0.000000] ACPI: SPCR 00000000cfef3da9 00050 (v01 DELL   PE_SC3   06040000 PTL  00000001)
[    0.000000] ACPI: EINJ 00000000cfef3df9 001B0 (v01 PTL    WHEAPTL  06040000 PTL  00000001)
[    0.000000] ACPI: HEST 00000000cfef3fa9 000A8 (v01 PTL    WHEAPTL  06040000 PTL  00000001)
[    0.000000] ACPI: BERT 00000000cfef4051 00030 (v01 PTL    WHEAPTL  06040000 PTL  00000001)
[    0.000000] ACPI: SSDT 00000000cfef4081 000E1 (v01 wheaos  wheaosc 06040000 INTL 20050624)
[    0.000000] ACPI: ERST 00000000cfef4162 00270 (v01 PTL    WHEAPTL  06040000 PTL  00000001)
[    0.000000] ACPI: SRAT 00000000cfef43d2 000E8 (v01 AMD    HAMMER   06040000 AMD  00000001)
[    0.000000] ACPI: SSDT 00000000cfef44ba 00A30 (v01 AMD    POWERNOW 06040000 AMD  00000001)
[    0.000000] ACPI: MCFG 00000000cfef4eea 0003C (v01 PTLTD    MCFG   06040000  LTP 00000000)
[    0.000000] ACPI: HPET 00000000cfef4f26 00038 (v01 PTLTD  HPETTBL  06040000  LTP 00000001)
[    0.000000] ACPI: APIC 00000000cfef4f5e 0007A (v01 PTLTD  ? APIC   06040000  LTP 00000000)
[    0.000000] ACPI: BOOT 00000000cfef4fd8 00028 (v01 PTLTD  $SBFTBL$ 06040000  LTP 00000001)
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] mapped APIC to ffffffffff5f2000 (        fee00000)
[    0.000000] SRAT: PXM 0 -> APIC 0x00 -> Node 0
[    0.000000] SRAT: PXM 0 -> APIC 0x01 -> Node 0
[    0.000000] SRAT: PXM 0 -> APIC 0x02 -> Node 0
[    0.000000] SRAT: PXM 0 -> APIC 0x03 -> Node 0
[    0.000000] SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[    0.000000] SRAT: Node 0 PXM 0 [mem 0x00100000-0xcfffffff]
[    0.000000] SRAT: Node 0 PXM 0 [mem 0x100000000-0x12fffffff]
[    0.000000] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xcfffffff] -> [mem 0x00000000-0xcfffffff]
[    0.000000] NUMA: Node 0 [mem 0x00000000-0xcfffffff] + [mem 0x100000000-0x12fffffff] -> [mem 0x00000000-0x12fffffff]
[    0.000000] Initmem setup node 0 [mem 0x00000000-0x12fffffff]
[    0.000000]   NODE_DATA [mem 0x12fffc000-0x12fffffff]
[    0.000000]  [ffffea0000000000-ffffea00043fffff] PMD -> [ffff88012b600000-ffff88012effffff] on node 0
[    0.000000] Zone ranges:
[    0.000000]   DMA      [mem 0x00010000-0x00ffffff]
[    0.000000]   DMA32    [mem 0x01000000-0xffffffff]
[    0.000000]   Normal   [mem 0x100000000-0x12fffffff]
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x00010000-0x0009cfff]
[    0.000000]   node   0: [mem 0x00100000-0x7ffeffff]
[    0.000000]   node   0: [mem 0x80000000-0xcfeeffff]
[    0.000000]   node   0: [mem 0x100000000-0x12fffffff]
[    0.000000] On node 0 totalpages: 1048173
[    0.000000]   DMA zone: 56 pages used for memmap
[    0.000000]   DMA zone: 6 pages reserved
[    0.000000]   DMA zone: 3919 pages, LIFO batch:0
[    0.000000]   DMA32 zone: 11589 pages used for memmap
[    0.000000]   DMA32 zone: 835995 pages, LIFO batch:31
[    0.000000]   Normal zone: 2688 pages used for memmap
[    0.000000]   Normal zone: 193920 pages, LIFO batch:31
[    0.000000] ACPI: PM-Timer IO Port: 0x8008
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] mapped APIC to ffffffffff5f2000 (        fee00000)
[    0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled)
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
[    0.000000] ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0])
[    0.000000] IOAPIC[0]: apic_id 4, version 17, address 0xfec00000, GSI 0-23
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge)
[    0.000000] Int: type 0, pol 1, trig 1, bus 00, IRQ 00, APIC ID 4, APIC INT 02
[    0.000000] Int: type 0, pol 3, trig 3, bus 00, IRQ 09, APIC ID 4, APIC INT 09
[    0.000000] ACPI: IRQ0 used by override.
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 4, APIC INT 01
[    0.000000] ACPI: IRQ2 used by override.
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 4, APIC INT 03
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 4, APIC INT 04
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 05, APIC ID 4, APIC INT 05
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 4, APIC INT 06
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 4, APIC INT 07
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 4, APIC INT 08
[    0.000000] ACPI: IRQ9 used by override.
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0a, APIC ID 4, APIC INT 0a
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0b, APIC ID 4, APIC INT 0b
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 4, APIC INT 0c
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 4, APIC INT 0d
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 4, APIC INT 0e
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 4, APIC INT 0f
[    0.000000] Using ACPI (MADT) for SMP configuration information
[    0.000000] ACPI: HPET id: 0x10de8201 base: 0xfed00000
[    0.000000] smpboot: Allowing 4 CPUs, 0 hotplug CPUs
[    0.000000] mapped IOAPIC to ffffffffff5f1000 (fec00000)
[    0.000000] nr_irqs_gsi: 40
[    0.000000] PM: Registered nosave memory: 000000000009d000 - 000000000009e000
[    0.000000] PM: Registered nosave memory: 000000000009e000 - 00000000000a0000
[    0.000000] PM: Registered nosave memory: 00000000000a0000 - 00000000000cc000
[    0.000000] PM: Registered nosave memory: 00000000000cc000 - 0000000000100000
[    0.000000] PM: Registered nosave memory: 000000007fff0000 - 0000000080000000
[    0.000000] PM: Registered nosave memory: 00000000cfef0000 - 00000000cfef5000
[    0.000000] PM: Registered nosave memory: 00000000cfef5000 - 00000000cff7f000
[    0.000000] PM: Registered nosave memory: 00000000cff7f000 - 00000000cff80000
[    0.000000] PM: Registered nosave memory: 00000000cff80000 - 00000000d0000000
[    0.000000] PM: Registered nosave memory: 00000000d0000000 - 00000000e0000000
[    0.000000] PM: Registered nosave memory: 00000000e0000000 - 00000000f0000000
[    0.000000] PM: Registered nosave memory: 00000000f0000000 - 00000000fec00000
[    0.000000] PM: Registered nosave memory: 00000000fec00000 - 00000000fec10000
[    0.000000] PM: Registered nosave memory: 00000000fec10000 - 00000000fee00000
[    0.000000] PM: Registered nosave memory: 00000000fee00000 - 00000000fee01000
[    0.000000] PM: Registered nosave memory: 00000000fee01000 - 00000000fff80000
[    0.000000] PM: Registered nosave memory: 00000000fff80000 - 0000000100000000
[    0.000000] e820: [mem 0xd0000000-0xdfffffff] available for PCI devices
[    0.000000] Booting paravirtualized kernel on bare hardware
[    0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:4 nr_node_ids:1
[    0.000000] PERCPU: Embedded 28 pages/cpu @ffff88012fc00000 s84480 r8192 d22016 u524288
[    0.000000] pcpu-alloc: s84480 r8192 d22016 u524288 alloc=1*2097152
[    0.000000] pcpu-alloc: [0] 0 1 2 3 
[    0.000000] Built 1 zonelists in Node order, mobility grouping on.  Total pages: 1033834
[    0.000000] Policy zone: Normal
[    0.000000] Kernel command line: initrd=latest/initramfs.cpio.gz zcache nofb debug selinux=0 console=ttyS0,115200 loglevel=10 apic=debug BOOT_IMAGE=latest/vmlinuz 
[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[    0.000000] __ex_table already sorted, skipping sort
[    0.000000] Checking aperture...
[    0.000000] No AGP bridge found
[    0.000000] Node 0: aperture @ a1c0000000 size 32 MB
[    0.000000] Aperture beyond 4GB. Ignoring.
[    0.000000] Your BIOS doesn't leave a aperture memory hole
[    0.000000] Please enable the IOMMU option in the BIOS setup
[    0.000000] This costs you 64 MB of RAM
[    0.000000] Mapping aperture over 65536 KB of RAM @ c4000000
[    0.000000] PM: Registered nosave memory: 00000000c4000000 - 00000000c8000000
[    0.000000] Memory: 3908240k/4980736k available (6530k kernel code, 788044k absent, 284452k reserved, 4375k data, 756k init)
[    0.000000] Hierarchical RCU implementation.
[    0.000000] 	RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=4.
[    0.000000] NR_IRQS:33024 nr_irqs:712 16
[    0.000000] Extended CMOS year: 2000
[    0.000000] spurious 8259A interrupt: IRQ7.
[    0.000000] Console: colour VGA+ 80x25
[    0.000000] console [ttyS0] enabled
[    0.000000] hpet clockevent registered
[    0.001000] tsc: Fast TSC calibration using PIT
[    0.002000] tsc: Detected 2109.706 MHz processor
[    0.000003] Calibrating delay loop (skipped), value calculated using timer frequency.. 4219.41 BogoMIPS (lpj=2109706)
[    0.010593] pid_max: default: 32768 minimum: 301
[    0.015234] Security Framework initialized
[    0.019321] SELinux:  Disabled at boot.
[    0.023444] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes)
[    0.032421] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes)
[    0.040272] Mount-cache hash table entries: 256
[    0.044991] Initializing cgroup subsys cpuacct
[    0.049423] Initializing cgroup subsys freezer
[    0.053883] tseg: 00cff80000
[    0.056757] CPU: Physical Processor ID: 0
[    0.060755] CPU: Processor Core ID: 0
[    0.064407] mce: CPU supports 6 MCE banks
[    0.068411] LVT offset 0 assigned for vector 0xf9
[    0.073104] process: using AMD E400 aware idle routine
[    0.078226] Last level iTLB entries: 4KB 512, 2MB 16, 4MB 8
[    0.078226] Last level dTLB entries: 4KB 512, 2MB 128, 4MB 64
[    0.078226] tlb_flushall_shift: 4
[    0.092900] Freeing SMP alternatives: 24k freed
[    0.099466] ACPI: Core revision 20121018
[    0.108606] Getting VERSION: 80050010
[    0.112260] Getting VERSION: 80050010
[    0.115911] Getting ID: 0
[    0.118525] Getting ID: ff000000
[    0.121745] Getting LVT0: 10000
[    0.124879] Getting LVT1: 10000
[    0.128013] masked ExtINT on CPU#0
[    0.131556] ENABLING IO-APIC IRQs
[    0.134862] init IO_APIC IRQs
[    0.137822]  apic 4 pin 0 not connected
[    0.141652] IOAPIC[0]: Set routing entry (4-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:1)
[    0.149543] IOAPIC[0]: Set routing entry (4-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1)
[    0.157437] IOAPIC[0]: Set routing entry (4-3 -> 0x33 -> IRQ 3 Mode:0 Active:0 Dest:1)
[    0.165324] IOAPIC[0]: Set routing entry (4-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:1)
[    0.173214] IOAPIC[0]: Set routing entry (4-5 -> 0x35 -> IRQ 5 Mode:0 Active:0 Dest:1)
[    0.181104] IOAPIC[0]: Set routing entry (4-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:1)
[    0.188993] IOAPIC[0]: Set routing entry (4-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:1)
[    0.196883] IOAPIC[0]: Set routing entry (4-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:1)
[    0.204772] IOAPIC[0]: Set routing entry (4-9 -> 0x39 -> IRQ 9 Mode:1 Active:1 Dest:1)
[    0.212663] IOAPIC[0]: Set routing entry (4-10 -> 0x3a -> IRQ 10 Mode:0 Active:0 Dest:1)
[    0.220727] IOAPIC[0]: Set routing entry (4-11 -> 0x3b -> IRQ 11 Mode:0 Active:0 Dest:1)
[    0.228791] IOAPIC[0]: Set routing entry (4-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:1)
[    0.236855] IOAPIC[0]: Set routing entry (4-13 -> 0x3d -> IRQ 13 Mode:0 Active:0 Dest:1)
[    0.244919] IOAPIC[0]: Set routing entry (4-14 -> 0x3e -> IRQ 14 Mode:0 Active:0 Dest:1)
[    0.252983] IOAPIC[0]: Set routing entry (4-15 -> 0x3f -> IRQ 15 Mode:0 Active:0 Dest:1)
[    0.261045]  apic 4 pin 16 not connected
[    0.264947]  apic 4 pin 17 not connected
[    0.268864]  apic 4 pin 18 not connected
[    0.272774]  apic 4 pin 19 not connected
[    0.276676]  apic 4 pin 20 not connected
[    0.280591]  apic 4 pin 21 not connected
[    0.284501]  apic 4 pin 22 not connected
[    0.288402]  apic 4 pin 23 not connected
[    0.292453] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[    0.308441] smpboot: CPU0: Quad-Core AMD Opteron(tm) Processor 1352 (fam: 10, model: 02, stepping: 03)
[    0.317768] Using local APIC timer interrupts.
[    0.317768] calibrating APIC timer ...
[    0.427176] ... lapic delta = 1255739
[    0.430821] ... PM-Timer delta = 357941
[    0.434635] ... PM-Timer result ok
[    0.438026] ..... delta 1255739
[    0.441146] ..... mult: 53933579
[    0.444366] ..... calibration result: 200918
[    0.448617] ..... CPU clock speed is 2109.0641 MHz.
[    0.453473] ..... host bus clock speed is 200.0918 MHz.
[    0.458682] Performance Events: AMD PMU driver.
[    0.463213] ... version:                0
[    0.467205] ... bit width:              48
[    0.471287] ... generic registers:      4
[    0.475278] ... value mask:             0000ffffffffffff
[    0.480573] ... max period:             00007fffffffffff
[    0.485865] ... fixed-purpose events:   0
[    0.489862] ... event mask:             000000000000000f
[    0.495372] MCE: In-kernel MCE decoding enabled.
[    0.500052] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
[    0.508161] smpboot: Booting Node   0, Processors  #1[    0.524047] masked ExtINT on CPU#1
 #2[    0.540997] masked ExtINT on CPU#2
 #3 OK
[    0.558365] masked ExtINT on CPU#3
[    0.563887] Brought up 4 CPUs
[    0.566845] smpboot: Total of 4 processors activated (16877.64 BogoMIPS)
[    0.580126] PM: Registering ACPI NVS region [mem 0xcfef5000-0xcff7efff] (565248 bytes)
[    0.588270] kworker/u:0 (31) used , date: 12/21/12
[    0.599326] NET: Registered protocol family 16
[    0.603976] kworker/u:0 (35) used greatest stack depth: 5592 bytes left
[    0.604362] node 0 link 0: io port [1000, 3fff]
[    0.604364] node 0 link 0: io port [4000, fffff]
[    0.604365] TOM: 00000000d0000000 aka 3328M
[    0.604368] node 0 link 0: mmio [d0000000, d04fffff]
[    0.604370] node 0 link 0: mmio [fed00000, fed0ffff]
[    0.604371] node 0 link 0: mmio [d8000000, dfffffff]
[    0.604373] node 0 link 0: mmio [fec00000, fec0ffff]
[    0.604375] node 0 link 0: mmio [e0000000, efffffff]
[    0.604376] node 0 link 0: mmio [a0000, bffff]
[    0.604378] node 0 link 0: mmio [f0000000, fe0bffff]
[    0.604379] TOM2: 0000000130000000 aka 4864M
[    0.604381] bus: [bus 00-ff] on node 0 link 0
[    0.604382] bus: 00 [io  0x0000-0xffff]
[    0.604383] bus: 00 [mem 0xd0000000-0xd7ffffff]
[    0.604384] bus: 00 [mem 0xfec10000-0xffffffff]
[    0.604385] bus: 00 [mem 0xd8000000-0xfebfffff]
[    0.604386] bus: 00 [mem 0xfec00000-0xfec0ffff]
[    0.604387] bus: 00 [mem 0x000a0000-0x000bffff]
[    0.604387] bus: 00 [mem 0x130000000-0xfcffffffff]
[    0.697629] ACPI: bus type pci registered
[    0.701762] dca service started, version 1.12.1
[    0.706330] PCI: MMCONFIG for domain 0000 [bus 00-04] at [mem 0xe0000000-0xe04fffff] (base 0xe0000000)
[    0.715615] PCI: MMCONFIG at [mem 0xe0000000-0xe04fffff] reserved in E820
[    0.722724] PCI: Using configuration type 1 for base access
[    0.735965] bio: create slab <bio-0> at 0
[    0.740130] ACPI: Added _OSI(Module Device)
[    0.744300] ACPI: Added _OSI(Prregator Device)
[    0.759681] ACPI: EC: Look up EC in DSDT
[    0.768816] \_SB_:_OSC evaluation returned wrong type
[    0.773848] _OSC request data:1 17 
[    0.777798] ACPI: Interpreter enabled
[    0.781446] ACPI: (supports S0 S4 S5)
[    0.785152] ACPI: Using IOAPIC for interrupt routing
[    0.799709] ACPI: No dock devices found.
[    0.803666] [Firmware Warn]: HEST: Duplicated hardware error source ID: 9.
[   on failed, disabling PCIe ASPM
[    0.840238] pci_root PNP0A03:00: Unable to request _OSC control (_OSC support mask: 0x08)
[    0.848575] pci_root PNP0A03:00: ignoring host bridge window [mem 0x000c0000-0x000dffff] (conflicts with reserved [mem 0x000cc000-0x000fffff])
[    0.861308] pci_root PNP0A03:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-04] only partially covers this bridge
[    0.872193] PCI host bridge to bus 0000:00
[    0.876277] pci_bus 0000:00: root bus resource [bus 00-ff]
[    0.881743] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7]
[    0.887900] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff]
[    0.894057] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
[    0.900905] pci_bus 0000:00: root bus resource [mem 0xd0000000-0xfebfffff]
[    0.907753] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed8ffff]
[    0.914614] pci 0000:00:00.0: [10de:005e] type 00 class 0x058000
[    0.920667] pci 0000:00:01.0: [10de:0051] type 00 class 0x060100
[    0.926654] pci 0000:00:01.0: reg 10: [io  0x8c00-0x8fff]
[    0.932058] pci 0000:00:01.1: [10de:0052] type 00 class 0x0c0500
[    0.938047] pci 0000:00:01.1: reg 10: [io  0x2080-0x209f]
[    0.943434] pci 0000:00:01.1: reg 20: [io  0x2040-0x207f]
[    0.948815] pci 0000:00:01.1: reg 24: [io  0x2000-0x203f]
[    0.954207] pci 0000:00:01.1: PME# supported from D3hot D3cold
[    0.960031] pci 0000:00:02.0: [10de:005a] type 00 class 0x0c0310
[    0.966021] pci 0000:00:02.0: reg 10: [mem 0xd0000000-0xd0000fff]
[    0.972114] pci 0000:00:02.0: supports D1 D2
[    0.976369] pci 0000:00:02.0: PME# supported from D0 D1 D2 D3hot D3cold
[    0.982966] pci 0000:00:02.1: [10de:005b] type 00 class 0x0c0320
[    0.988955] pci 0000:00:02.1: reg 10: [mem 0xd0001000-0xd00010ff]
[    0.995054] pci 0000:00:02.1: supports D1 D2
[    0.999308] pci 0000:00:02.1: PME# supported from D0 D1 D2 D3hot D3cold
[    1.005915] pci 0000:00:07.0: [10de:0054] type 00 class 0x010185
[    1.011905] pci 0000:00:07.0: reg 10: [io  0x20f0-0x20f7]
[    1.017286] pci 0000:00:07.0: reg 14: [io  0x20e0-0x20e3]
[    1.022666] pci 0000:00:07.0: reg 18: [io  0x20d0-0x20d7]
[    1.028047] pci 0000:00:07.0: reg 1c: [io  0x20c0-0x20c3]
[    1.033428] pci 0000:00:07.0: reg 20: [io  0x20b0-0x20bf]
[    1.038808] pci 0000:00:07.0: reg 24: [mem 0xd0002000-0xd0002fff]
[    1.044905] pci 0000:00:08.0: [10de:0055] type 00 class 0x010185
[    1.050894] pci 0000:00:08.0: reg 10: [io  0x2440-0x2447]
[    1.056276] pci 0000:00:08.0: reg 14: [io  0x2430-0x2433]
[    1.061657] pci 0000:00:08.0: reg 18: [io  0x2420-0x2427]
[    1.067037] pci 0000:00:08.0: reg 1c: [io  0x2410-0x2413]
[    1.072418] pci 0000:00:08.0: reg 20: [io  0x2400-0x240f]
[    1.077798] pci 0000:00:08.0: reg 24: [mem 0xd0003000-0xd0003fff]
[    1.083893] pci 0000:00:09.0: [10de:005c] type 01 class 0x060400
[    1.089895] pci 0000:00:0b.0: [10de:005d] type 01 class 0x060400
[    1.095906] pci 0000:00:0b.0: PME# supported from D0 D1 D2 D3hot D3cold
[    1.102507] pci 0000:00:0c.0: [10de:005d] type 01 class 0x060400
[    1.108515] pci 0000:00:0c.0: PME# supported from D0 D1 D2 D3hot D3cold
[    1.115115] pci 0000:00:0d.0: [10de:005d] type 01 class 0x060400
[    1.121123] pci 0000:00:0d.0: PME# supported from D0 D1 D2 D3hot D3cold
[    1.127724] pci 0000:00:0e.0: [10de:005d] type 01 class 0x060400
[    1.133731] pci 0000:00:0e.0: PME# supported from D0 D1 D2 D3hot D3cold
[    1.140336] pci 0000:00:18.0: [1022:1200] type 00 class 0x060000
[    1.146337] pci 0000:00:18.1: [1022:1201] type 00 class 0x060000
[    1.152335] pci 0000:00:18.2: [1022:1202] type 00 class 0x060000
[    1.158333] pci 0000:00:18.3: [1022:1203] type 00 class 0x060000
[    1.164334] pci 0000:00:18.4: [1022:1204] type 00 class 0x060000
[    1.170352] pci 0000:01:08.0: [1002:515e] type 00 class 0x030000
[    1.176345] pci 0000:01:08.0: reg 10: [mem 0xd8000000-0xdfffffff pref]
[    1.182851] pci 0000:01:08.0: reg 14: [io  0x3000-0x30ff]
[    1.188235] pci 0000:01:08.0: reg 18: [mem 0xd0100000-0xd010ffff]
[    1.194325] pci 0000:01:08.0: reg 30: [mem 0x00000000-0x0001ffff pref]
[    1.200845] pci 0000:01:08.0: supports D1 D2
[    1.205119] pci 0000:00:09.0: PCI bridge to [bus 01]
[    1.210070] pci 0000:00:09.0:   bridge window [io  0x3000-0x3fff]
[    1.216141] pci 0000:00:09.0:   bridge window [mem 0xd0100000-0xd01fffff]
[    1.222905] pci 0000:00:09.0:   bridge window [mem 0xd8000000-0xdfffffff pref]
[    1.230134] pci 0000:02:00.0: [14e4:165a] type 00 class 0x020000
[    1.236132] pci 0000:02:00.0: reg 10: [mem 0xd0200000-0xd020ffff 64bit]
[    1.242804] pci 0000:02:00.0: PME# supported from D3hot D3cold
[    1.250989] pci 0000:00:0b.0: PCI bridge to [bus 02]
[    1.255939] pci 0000:00:0b.0:   bridge window [mem 0xd0200000-0xd02fffff]
[    1.262719] pci 0000:00:0c.0: PCI bridge to [bus 03]
[    1.267685] pci 0000:00:0d.0: PCI bridge to [bus 04]
[    1.272650] pci 0000:00:0e.0: PCI bridge to [bus 05]
[    1.277615] ACPI: Invalid Power Resource to register!
[    1.282655] ACPI: Invalid Power Resource to register!
[    1.287699] ACPI: Invalid Power Resource to register!
[    1.292744] ACPI: Invalid Power Resource to register!
[    1.297796] ACPI: Invalid Power Resource to register!
[    1.302828] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.P2P0._PRT]
[    1.309216] ACPI: Invalid Power Resource to register!
[    1.314253] ACPI: Invalid Power Resource to register!
[    1.319294] ACPI: Invalid Power Resource to register!
[    1.324327] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.XVR0._PRT]
[    1.330694] ACPI: Invalid Power Resource to register!
[    1.335727] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.XVR1._PRT]
[    1.342095] ACPI: Invalid Power Resource to register!
[    1.347128] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.XVR2._PRT]
[    1.353492] ACPI: Invalid Power Resource to register!
[    1.358525] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.XVR3._PRT]
[    1.364883] ACPI _OSC control for PCIe not granted, disabling ASPM
[    1.395285] ACPI: PCI Interrupt Link [LNK1] (IRQs 16 17 18 19) *0
[    1.401620] ACPI: PCI Interrupt Link [LNK2] (IRQs 16 17 18 19) *0
[    1.407941] ACPI: PCI Interrupt Link [LNK3] (IRQs 16 17 18 19) *0, disabled.
[    1.415226] ACPI: PCI Interrupt Link [LNK4] (IRQs 16 17 18 19) *0, disabled.
[    1.422500] ACPI: PCI Interrupt Link [LNK5] (IRQs 16 17 18 19) *0, disabled.
[    1.429767] ACPI: PCI Interrupt Link [LSMB] (IRQs 20 21 22 23) *0
[    1.436065] ACPI: PCI Interrupt Link [LUS0] (IRQs 20 21 22 23) *0
[    1.442359] ACPI: PCI Interrupt Link [LUS2] (IRQs 20 21 22 23) *0, disabled.
[    1.449618] ACPI: PCI Interrupt Link [LMAC] (IRQs 20 21 22 23) *0, disabled.
[    1.456894] ACPI: PCI Interrupt Link [LACI] (IRQs 20 21 22 23) *0, disabled.
[    1.464166] ACPI: PCI Interrupt Link [LMCI] (IRQs 20 21 22 23) *0, disabled.
[    1.471440] ACPI: PCI Interrupt Link [LPID] (IRQs 20 21 22 23) *0, disabled.
[    1.478716] ACPI: PCI Interrupt Link [LTID] (IRQs 20 21 22 23) *0
[    1.485040] ACPI: PCI Interrupt Link [LSI1] (IRQs 20 21 22 23) *0
[    1.491353] ACPI: PCI Interrupt Link [APCP] (IRQs 20 21 22 23) *0, disabled.
[    1.498712] vgaarb: device added: PCI:0000:01:08.0,decodes=io+mem,owns=io+mem,locks=none
[    1.506772] vgaarb: loaded
[    1.509468] vgaarb: bridge control possible 0000:01:08.0
[    1.514915] ACPI: bus type usb registered
[    1.518992] usbcore: registered new interface driver usbfs
[    1.524503] usbcore: registered new interface driver hub
[    1.529856] usbcore: registered new device driver usb
[    1.535032] pps_core: LinuxPPS API ver. 1 registered
[    1.539978] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    1.549109] PTP clock support registered
[    1.553126] PCI: Using ACPI for IRQ routing
[    1.557297] PCI: pci_cache_line_size set to 64 bytes
[    1.562275] e820: reserve RAM buffer [mem 0x0009d800-0x0009ffff]
[    1.568259] e820: reserve RAM buffer [mem 0x7fff0000-0x7fffffff]
[    1.574242] e820: reserve RAM buffer [mem 0xcfef0000-0xcfffffff]
[    1.580448] NetLabel: Initializing
[    1.583839] NetLabel:  domain hash size = 128
[    1.588179] NetLabel:  protocols = UNLABELED CIPSOv4
[    1.593140] NetLabel:  unlabeled traffic allowed by default
[    1.598848] HPET: 3 timers in total, 0 timers will be used for per-cpu timer
[    1.605874] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 31
[    1.610862] hpet0: 3 comparators, 32-bit 25.000000 MHz counter
[    1.618860] Switching to clocksource hpet
[    1.625314] pnp: PnP ACPI init
[    1.628380] ACPI: bus type pnp registered
[    1.632670] system 00:00: [mem 0xffc00000-0xffffffff] could not be reserved
[    1.639612] system 00:00: [mem 0xfec00000-0xfec00fff] could not be reserved
[    1.646550] system 00:00: [mem 0xfee00000-0xfeefffff] could not be reserved
[    1.653489] system 00:00: [mem 0xfed00000-0xfed00fff] has been reserved
[    1.660083] system 00:00: Plug and Play ACPI device, IDs PNP0c01 (active)
[    1.666963] system 00:01: [mem 0xe0000000-0xefffffff] has been reserved
[    1.673556] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active)
[    1.681001] system 00:02: [io  0x8000-0x807f] has been reserved
[    1.686903] system 00:02: [io  0x8080-0x80ff] has been reserved
[    1.692803] system 00:02: [io  0x8400-0x847f] has been reserved
[    1.698703] system 00:02: [io  0x8480-0x84ff] has been reserved
[    1.704604] system 00:02: [io  0x8800-0x887f] has been reserved
[    1.710504] system 00:02: [io  0x8880-0x88ff] has been reserved
[    1.716405] system 00:02: [io  0x2040-0x207f] has been reserved
[    1.722306] system 00:02: [io  0x2000-0x203f] has been reserved
[    1.728206] system 00:02: Plug and Play ACPI device, IDs PNP0c02 (active)
[    1.735083] IOAPIC[0]: Set routing entry (4-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:15)
[    1.743116] pnp 00:03: Plug and Play ACPI device, IDs PNP0103 (active)
[    1.749719] system 00:04: [io  0x04d0-0x04d1] has been reserved
[    1.755620] system 00:04: Plug and Play ACPI device, IDs PNP0c02 (active)
[    1.762412] pnp 00:05: [dma 4]
[    1.765511] pnp 00:05: Plug and Play ACPI device, IDs PNP0200 (active)
[    1.772079] pnp 00:06: Plug and Play ACPI device, IDs PNP0800 (active)
[    1.778691] pnp 00:07: Plug and Play ACPI device, IDs PNP0b00 (active)
[    1.785211] IOAPIC[0]: Set routing entry (4-13 -> 0x3d -> IRQ 13 Mode:0 Active:0 Dest:15)
[    1.793415] pnp 00:08: Plug and Play ACPI device, IDs PNP0c04 (active)
[    1.799999] system 00:09: [io  0x0c00-0x0c7f] has been reserved
[    1.805902] system 00:09: Plug and Play ACPI device, IDs PNP0c02 (active)
[    1.813073] IOAPIC[0]: Set routing entry (4-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:15)
[    1.821154] pnp 00:0a: Plug and Play ACPI device, IDs PNP0501 (active)
[    1.828417] pnp: PnP ACPI: found 11 devices
[    1.832587] ACPI: ACPI bus type pnp unregistered
[    1.845929] pci 0000:01:08.0: BAR 6: assigned [mem 0xd0120000-0xd013ffff pref]
[    1.853129] pci 0000:00:09.0: PCI bridge to [bus 01]
[    1.858080] pci 0000:00:09.0:   bridge window [io  0x3000-0x3fff]
[    1.864155] pci 0000:00:09.0:   bridge window [mem 0xd0100000-0xd01fffff]
[    1.870919] pci 0000:00:09.0:   bridge window [mem 0xd8000000-0xdfffffff pref]
[    1.878119] pci 0000:00:0b.0: PCI bridge to [bus 02]
[    1.883067] pci 0000:00:0b.0:   bridge window [mem 0xd0200000-0xd02fffff]
[    1.889833] pci 0000:00:0c.0: PCI bridge to [bus 03]
[    1.894786] pci 0000:00:0d.0: PCI bridge to [bus 04]
[    1.899736] pci 0000:00:0e.0: PCI bridge to [bus 05]
[    1.904693] pci 0000:00:09.0: setting latency timer to 64
[    1.910081] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7]
[    1.915634] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff]
[    1.921188] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
[    1.927435] pci_bus 0000:00: resource 7 [mem 0xd0000000-0xfebfffff]
[    1.933681] pci_bus 0000:00: resource 8 [mem 0xfed40000-0xfed8ffff]
[    1.939928] pci_bus 0000:01: resource 0 [io  0x3000-0x3fff]
[    1.945481] pci_bus 0000:01: resource 1 [mem 0xd0100000-0xd01fffff]
[    1.951728] pci_bus 0000:01: resource 2 [mem 0xd8000000-0xdfffffff pref]
[    1.958407] pci_bus 0000:02: resource 1 [mem 0xd0200000-0xd02fffff]
[    1.964715] NET: Registered protocol family 2
[    1.969290] TCP established hash table entries: 32768 (order: 7, 524288 bytes)
[    1.976733] TCP bind hash table entries: 32768 (order: 7, 524288 bytes)
[    1.983524] TCP: Hash tables configured (established 32768 bind 32768)
[    1.990081] TCP: reno registered
[    1.993308] UDP hash table entries: 2048 (order: 4, 65536 bytes)
[    1.999329] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes)
[    2.005852] NET: Registered protocol family 1
[    2.010305] RPC: Registered named UNIX socket transport module.
[    2.016205] RPC: Registered udp transport module.
[    2.020893] RPC: Registered tcp transport module.
[    2.025586] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    2.032355] ACPI: PCI Interrupt Link [LUS0] enabled at IRQ 23
[    2.038090] IOAPIC[0]: Set routing entry (4-23 -> 0x41 -> IRQ 23 Mode:1 Active:1 Dest:15)
[    2.096930] ACPI: PCI Interrupt Link [LUS2] enabled at IRQ 22
[    2.102676] IOAPIC[0]: Set routing entry (4-22 -> 0x51 -> I    2.116378] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.121877] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.127348] pci 0000:00:0b.0: Found disabled HT MSI Mapping
[    2.132906] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.138407] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.143878] pci 0000:00:0c.0: Found disabled HT MSI Mapping
[    2.149436] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.154937] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.160409] pci 0000:00:0d.0: Found disabled HT MSI Mapping
[    2.165967] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.171477] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.176948] pci 0000:00:0e.0: Found disabled HT MSI Mapping
[    2.182506] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.187987] pci 0000:01:08.0: Boot video device
[    2.192507] PCI: CLS 64 bytes, default 64
[    2.196614] Unpacking initramfs...
[    4.302752] Freeing initrd memory: 79984k freed
[    4.340261] PCI-DMA: Disabling AGP.
[    4.343863] PCI-DMA: aperture base @ c4000000 size 65536 KB
[    4.349417] PCI-DMA: I-DMA: Reserving 64MB of IOMMU area in the AGP aperture
[    4.364624] Simple Boot Flag at 0x62 set to 0x80
[    4.369384] Machine check injector initialized
[    4.373817] LVT offsedy in use for vector 0xf9 on another cpu
[    4.398268] [Firmware Bug]: cpu 0, IBS interrupt offset 0 not available (MSRC001103A=0x0000000000000100)
[    4.407712] Failed to setup IBS, -22
[    4.411851] microcode: CPU0: patch_level=0x01000065
[    4.416718] microcode: CPU1: patch_level=0x01000065
[    4.421582] microcode: CPU2: patch_level=0x01000065
[    4.426449] microcode: CPU3: patch_level=0x01000065
[    4.431359] microcode: Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
[    4.440424] audit: initializing netlink socket (disabled)
[    4.445819] type=2000 audit(1356050506.982:1): initialized
[    4.468914] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[    4.475786] VFS: Disk quotas dquot_6.5.2
[    4.479721] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    4.486347] NFS: Registering the id_resolver key type
[    4.491395] Key type id_resolver registered
[    4.495563] Key type id_legacy registered
[    4.499567] NTFS driver 2.1.30 [Flags: R/W].
[    4.503917] msgmni has been set to 7918
[    4.508133] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[    4.515505] io scheduler noop registered
[    4.519414] io scheduler deadline registered
[    4.523686] io scheduler cfq registered (default)
[    4.528523] pcieport 0000:00:0b.0: irq 40 for MSI/MSI-X
[    4.533829] pcieport 0000:00:0c.0: irq 41 for MSI/MSI-X
[    4.539130] pcieport 0000:00:0d.0: irq 42 for MSI/MSI-X
[    4.544433] pcieport 0000:00:0e.0: irq 43 for MSI/MSI-X
[    4.549834] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[    4.555675] input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input0
[    4.563827] ACPI: Power Button [PWRB]
[    4.567571] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1
[    4.574947] ACPI: Power Button [PWRF]
[    4.578767] ACPI: acpi_idle registered with cpuidle
[    4.589598] ERST: Can not request iomem region <0x        cff7f000-0x        cff80000> for ERST.
[    4.602615] GHES: HEST is not enabled!
[    4.606379] EINJ: Error INJection is initialized.
[    4.611068] ioatdma: Intel(R) QuickData Technology Driver 4.00
[    4.640167] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    4.666945] 00:0a: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[    4.673447] Non-volatile memory driver v1.3
[    4.677669] Linux agpgart interface v0.103
[    4.681946] [drm] Initialized drm 1.1.0 20060810
[    4.687724] loop: module loaded
[    4.691003] libphy: Fixed MDIO Bus: probed
[    4.695086] tun: Universal TUN/TAP device driver, 1.6
[    4.700121] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[    4.706348] tg3.c:v3.128 (December 03, 2012)
[    4.710966] ACPI: PCI Interrupt Link [LNK2] enabled at IRQ 19
[    4.716713] IOAPIC[0]: Set routing entry (4-19 -> 0xa1 -> IRQ 19 Mode:1 Active:1 Dest:15)
[    4.731719] tg3 0000:02:00.0 eth0: Tigon3 [partno(BCM95722) rev a200] (PCI Express) MAC address 00:1d:09:17:b5:46
[    4.7412:00.0 eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] TSOcap[1]
[    4.759895] tg3 0000:02:00.0 eth0: dma_rwctrl[76180000] dma_mask[64-bit]
[    4.766859] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    4.773366] ehci_hcd: block sizes: qh 104 qtd 96 itd 192 sitd 96
[    4.779353] ehci-pci: EHCI PCI platform driver
[    4.783813] ehci-pci 0000:00:02.1: setting latency timer to 64
[    4.789630] ehci-pci 0000:00:02.1: EHCI Host Controller
[    4.794922] ehci-pci 0000:00:02.1: new USB bus registered, assigned bus number 1
[    4.802302] ehci-pci 0000:00:02.1: reset hcs_params 0x10148a dbg=1 cc=1 pcc=4 !ppc ports=10
[    4.810633] ehci-pci 0000:00:02.1: reset portroute 0 0 0 0 0 0 0 0 0 0 
[    4.817226] ehci-pci 0000:00:02.1: reset hcc_params a086 caching frame 256/512/1024 park
[    4.825306] ehci-pci 0000:00:02.1: park 0
[    4.829309] ehci-pci 0000:00:02.1: reset command 0080b32  park=3 ithresh=8 Async Periodic period=1024 Reset HALT
[    4.839450] ehci-pci 0000:00:02.1: debug port 1
[    4.843965] ehci-pci 0000:00:02.1: bogus port configuration: cc=1 x pcc=4 < ports=10
[    4.851683] ehci-pci 0000:00:02.1: cache line size of 64 is not supported
[    4.858448] ehci-pci 0000:00:02.1: supports USB remote wakeup
[    4.864194] ehci-pci 0000:00:02.1: irq 22, io mem 0xd0001000
[    4.869837] ehci-pci 0000:00:02.1: init command 0010005 (park)=0 ithresh=1 period=512 RUN
[    4.883401] ehci-pci 0000:00:02.1: USB 2.0 started, EHCI 1.00
[    4.889156] usb usb1: default language 0x0409
[    4.89350Product: EHCI Host Controller
[    4.917019] usb usb1: Manufacturer: Linux 3.7.0upstream-11627-g941108b ehci_hcd
[    4.924295] usb usb1: SerialNumber: 0000:00:02.1
[    4.929002] usb usb1: usb_probe_device
[    4.932745] usb usb1: configuration #1 chosen from 1 choice
[    4.938306] usb usb1: adding 1-0:1.0 (config #1, interface 0)
[    4.944091] hub 1-0:1.0: usb_probe_interface
[    4.948355] hub 1-0:1.0: usb_probe_interface - got id
[    4.953392] hub 1-0:1.0: USB hub found
[    4.957131] hub 1-0:1.0: 10 ports detected
[    4.961213] hub 1-0:1.0: standalone hub
[    4.965038] hub 1-0:1.0: no power switching (usb 1.0)
[    4.970072] hub 1-0:1.0: individual port over-current protection
[    4.976058] hub 1-0:1.0: power on to power good time: 20ms
[    4.981526] hub 1-0:1.0: local power source is good
[    4.986423] hub 1-0:1.0: trying to enable port power on non-switchable hub
[    4.993404] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    4.999571] ohci_hcd: block sizes: ed 80 td 96
[    5.004027] ohci_hcd 0000:00:02.0: setting latency timer to 64
[    5.009844] ohci_hcd 0000:00:02.0: OHCI Host Controller
[    5.015117] ohci_hcd 0000:00:02.0: new USB bus registered, assigned bus number 2
[    5.022501] ohci_hcd 0000:00:02.0: created debug files
[    5.027622] ohci_hcd 0000:00:02.0: supports USB remote wakeup
[    5.033358] ohci_hcd 0000:00:02.0: irq 23, io mem 0xd0000000
[    5.091251] ohci_hcd 0000:00:02.0: OHCI controller state
[    5.096546] ohci_hcd 0000:00:02.0: OHCI 1.0, NO legacy support registers, rh state running
[    5.104780] ohci_hcd 0000:00:02.0: control 0x683 RWE RWC HCFS=operational CBSR=3
[    5.112150] ohci_hcd 0000:00:02.0: cmdstatus 0x00000 SOC=0
[    5.117617] ohci_hcd 0000:00:02.0: intrstatus 0x00000004 SF
[    5.123176] ohci_hcd 0000:00:02.0: intrenable 0x8000004a MIE RHSC RD WDH
[    5.129855] ohci_hcd 0000:00:02.0: hcca frame #0029
[    5.134719] ohci_hcd 0000:00:02.0: roothub.a 0100020a POTPGT=1 NPS NDP=10(10)
[    5.141831] ohci_hcd 0000:00:02.0: roothub.b 00000000 PPCM=0000 DR=0000
[    5.148422] ohci_hcd 0000:00:02.0: roothub.status 00008000 DRWE
[    5.154323] ohci_hcd 0000:00:02.0: roothub.portstatus [0] 0x00000100 PPS
[    5.160996] ohci_hcd 0000:00:02.0: roothub.portstatus [1] 0x00000100 PPS
[    5.167678] ohci_hcd 0000:00:02.0: roothub.portstatus [2] 0x00000100 PPS
[    5.174361] ohci_hcd 0000:00:02.0: roothub.portstatus [3] 0x00000100 PPS
[    5.181043] ohci_hcd 0000:00:02.0: roothub.portstatus [4] 0x00000100 PPS
[    5.187724] ohci_hcd 0000:00:02.0: roothub.portstatus [5] 0x00000100 PPS
[    5.194406] ohci_hcd 0000:00:02.0: roothub.portstatus [6] 0x00000100 PPS
[    5.201089] ohci_hcd 0000:00:02.0: roothub.portstatus [7] 0x00000100 PPS
[    5.207771] ohci_hcd 0000:00:02.0: roothub.portstatus [8] 0x00000100 PPS
[    5.214454] ohci_hcd 0000:00:02.0: roothub.portstatus [9] 0x00000100 PPS
[    5.221151] usb usb2: default language 0x0409
[    5.225499] usb usb2: udev 1, busnum 2, minor = 128
[    5.230359] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
[    5.237126] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    5.244316] usb usb2: Product: OHCI Host Controller
[    5.249193] usb usb2: Manufacturer: Linux 3.7.0upstream-11627-g941108b ohci_hcd
[    5.256479] usb usb2: SerialNumber: 0000:00:02.0
[    5.261188] usb usb2: usb_probe_device
[    5.264932] usb usb2: configuration #1 chosen from 1 choice
[    5.270491] usb usb2: adding 2-0:1.0 (config #1, interface 0)
[    5.276273] hub 1-0:1.0: state 7 ports 10 chg 0000 evt 0000
[    5.276280] hub 2-0:1.0: usb_probe_interface
[    5.276281] hub 2-0:1.0: usb_probe_interface - got id
[    5.276283] hub 2-0:1.0: USB hub found
[    5.276288] hub 2-0:1.0: 10 ports detected
[    5.276289] hub 2-0:1.0: standalone hub
[    5.276291] hub 2-0:1.0: no power switching (usb 1.0)
[    5.276292] hub 2-0:1.0: global over-current protection
[    5.276293] hub 2-0:1.0: power on to power good time: 2ms
[    5.276297] hub 2-0:1.0: local power source is good
[    5.276298] hub 2-0:1.0: no over-current condition exists
[    5.276330] hub 2-0:1.0: trying to enable port power on non-switchable hub
[    5.276368] ehci-pci 0000:00:02.1: HS companion for 0000:00:02.0
[    5.276469] uhci_hcd: USB Universal Host Controller Interface driver
[    5.347801] usbcore: registered new interface driver usblp
[    5.353450] i8042: PNP: No PS/2 controller found. Probing ports directly.
[    5.376053] hub 2-0:1.0: state 7 ports 10 chg 0000 evt 0000
[    5.411001] tsc: Refined TSC clocksource calibration: 2109.722 MHz
[    5.417164] Switching to clocksource tsc
[    5.611156] serio: i8042 KBD port at 0x60,0x64 irq 1
[    5.616221] mousedev: PS/2 mouse device common for all mice
[    5.7] rtc0: alarms up to one year, y3k, 114 bytes nvram, hpet irqs
[    5.639646] cpuidle: using governor ladder
[    5.643744] cpuidle: using governor menu
[    5.647654] EFI Variables Facility v0.08 2004-May-17
[    5.652651] zram: num_devices not specified. Using default: 1
[    5.658377] zram: Creating 1 devices ...
[    5.662451] zcache: using lzo compressor
[    5.666497] zcache: cleancache enabled using kernel transcendent memory and compression buddies
[    5.675163] zcache: frontswap enabled using kernel transcendent memory and zsmalloc
[    5.682992] Netfilter messages via NETLINK v0.30.
[    5.687694] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
[    5.693875] ctnetlink v0.93: registering with nfnetlink.
[    5.699450] ip_tables: (C) 2000-2006 Netfilter Core Team
[    5.704813] TCP: cubic registered
[    5.708117] Initializing XFRM netlink socket
[    5.712415] NET: Registered protocol family 10
[    5.717042] ip6_tables: (C) 2000-2006 Netfilter Core Team
[    5.722671] sit: IPv6 over IPv4 tunneling driver
[    5.727501] NET: Registered protocol family 17
[    5.731970] Key type dns_resolver registered
[    5.736630] 
[    5.736630] printing PIC contents
[    5.741407] ... PIC  IMR: ffff
[    5.744453] ... PIC  IRR: 0800
[    5.747504] ... PIC  ISR: 0000
[    5.750549] ... PIC ELCR: 0c00
[    5.753595] printing local APIC contents on CPU#0/0:
[    5.758536] ... APIC ID:      00000000 (0)
[    5.762612] ... APIC VERSION: 80050010
[    5.766342] ... APIC TASKPRI: 00000000 (00)
[    5.770504] ... APIC ARBPRI: 00000000 (00)
[    5.774580] ... APIC PROCPRI: 00000000
[    5.778310] ... APIC LDR: 01000000
[    5.781691] ... APIC DFR: ffffffff
[    5.785074] ... APIC SPIV: 000001ff
[    5.788541] ... APIC ISR field:
[    5.791669] 0000000000000000000000000000000000000000000000000000000000000000
[    5.798744] ... APIC TMR field:
[    5.801866] 0000000000000000000000000000000000000000000000000000000000000000
[    5.808942] ... APIC IRR field:
[    5.812064] 0000000000000000000000000000000000000000000000000000000000000000
[    5.819137] ... APIC ESR: 00000000
[    5.822523] ... APIC ICR: 000008fd
[    5.825903] ... APIC ICR2: 04000000
[    5.829373] ... APIC LVTT: 000000ef
[    5.832843] ... APIC LVTPC: 00000400
[    5.836401] ... APIC LVT0: 00010700
[    5.839867] ... APIC LVT1: 00000400
[    5.843340] ... APIC LVTERR: 000000fe
[    5.846981] ... APIC TMICT: 002287c5
[    5.850538] ... APIC TMCCT: 000caa0b
[    5.854098] ... APIC TDCR: 00000003
[    5.857568] ... APIC EFEAT: 00040007
[    5.861125] ... APIC ECTRL: 00000000
[    5.864681] ... APIC EILVT0: 000000f9
[    5.868323] ... APIC EILVT1: 00010000
[    5.871965] ... APIC EILVT2: 00010000
[    5.875605] ... APIC EILVT3: 00010000
[    5.879244] 
[    5.880730] number of MP IRQ sources: 15.
[    5.884726] number of IO-APIC #4 registers: 24.
[    5.889239] testing the IO APIC.......................
[    5.894359] IO APIC #4......
[    5.897230] .... register #00: 04000000
[    5.901050] .......    : physical APIC id: 04
[    5.905390] .......    : Delivery Type: 0
[    5.909383] .......    : LTS          : 0
[    5.913378] .... register #01: 00170011
[    5.917199] .......     : max redirection entries: 17
[    5.922231] .......     : PRQ implemented: 0
[    5.926485] .......     : IO APIC version: 11
[    5.930826] .... register #02: 04000000
[    5.934648] .......     : arbitration: 04
[    5.938643] .... IRQ redirection table:
[    5.942465]  NR Dst Mask Trig IRR Pol Stat Dmod Deli Vect:
[    5.947931]  00 00  1    0    0   0   0    0    0    00
[    5.953155]  01 0F  0    0    0   0   0    1    1    31
[    5.958379]  02 0F  0    0    0   0   0    1    1    30
[    5.963609]  03 0F  0    0    0   0   0    1    1    33
[    5.968832]  04 0F  0    0    0   0   0    1    1    34
[    5.974054]  05 0F  0    0    0   0   0    1    1    35
[    5.979279]  06 0F  0    0    0   0   0    1    1    36
[    5.984501]  07 0F  1    0    0   0   0    1    1    37
[    5.989723]  08 0F  0    0    0   0   0    1    1    38
[    5.994944]  09 0F  0    1    0   1   0    1    1    39
[    6.000166]  0a 0F  0    0    0   0   0    1    1    3A
[    6.005390]  0b 0F  1    0    0   0   0    1    1    3B
[    6.010612]  0c 0F  1    0    0   0   0    1    1    3C
[    6.015836]  0d 0F  0    0    0   0   0    1    1    3D
[    6.021057]  0e 0F  0    0    0   0   0    1    1    3E
[    6.026279]  0f 0F  0    0    0   0   0    1    1    3F
[    6.031501]  10 00  1    0    0   0   0    0    0    00
[    6.036728]  11 00  1    0    0   0   0    0    0    00
[    6.041952]  12 00  1    0    0   0   0    0    0    00
[    6.047174]  13 0F  1    1    0   1   0    1    1    A1
[    6.052395]  14 00  1    0    0   0   0    0    0    00
[    6.057617]  15 00  1    0    0   0   0    0    0    00
[    6.062839]  16 0F  0    1    0   1   0    1    1    51
[    6.068063]  17 0F  0    1    0   1   0    1    1    41
[    6.073283] IRQ to pin mappings:
[    6.076497] IRQ0 -> 0:2
[    6.078955] IRQ1 -> 0:1
[    6.081414] IRQ3 -> 0:3
[    6.083878] IRQ4 -> 0:4
[    6.086341] IRQ5 -> 0:5
[    6.088807] IRQ6 -> 0:6
[    6.091270] IRQ7 -> 0:7
[    6.093736] IRQ8 -> 0:8
[    6.096199] IRQ9 -> 0:9
[    6.098670] IRQ10 -> 0:10
[    6.101307] IRQ11 -> 0:11
[    6.103940] IRQ12 -> 0:12
[    6.106579] IRQ13 -> 0:13
[    6.109215] IRQ14 -> 0:14
[    6.111854] IRQ15 -> 0:15
[    6.114493] IRQ19 -> 0:19
[    6.117124] IRQ22 -> 0:22
[    6.119763] IRQ23 -> 0:23
[    6.122401] .................................... done.
[    6.127683] PM: Hibernation image not present or could not be loaded.
[    6.134111] registered taskstats version 1
[    6.138753]   Magic number: 8:743:658
[    6.144120] Freeing unused kernel memory: 756k freed
[    6.149314] Write protecting the kernel read-only data: 10240k
[    6.160541] Freeing unused kernel memory: 1648k freed
[    6.166631] Freeing unused kernel memory: 140k freed
init started^G^G^G^G^G^G^G^G^G^G^G^G^G^Gmount: mount point /proc/bus/usb does not exist
mount: mount point /proc/xen do[    6.421826] core_filesystem (1192) used greatsys/kernel/config does not exist
^G^G^G^G^G^G^G^G^G^G^G^G^Gca[    6.437603] udevd (1227): /proc/1227/oom_adj is deprecated, please use /proc/1227/oom_score_adj instead.
t: /sys/hypervisor/type: No such file or directory
/usr/bin/load_xen_modules: line 3: [: ==: unary operator expected
^G^G^G^G[    6.474118] SCSI subsystem initialized
[    6.482848] ACPI: bus type scsi registered
[    6.487315] libata version 3.00 loa00:00:07.0: setting latency timer to 64
^G^G^G^G^G^G^G^G[    6.516854] [drm] radeon defaulting to kernel modesetting.
^G^G^G^G^G^G^G^G[    6.516855] [drm] radeon kernel modesetting enabled.
^G^G^G^G^G^G^G^G[    6.517197] ACPI: PCI Interrupt Link [LNK1] enabled at IRQ 18
^G^G^G^G^G^G^G^G[    6.517204] IOAPIC[0]: Set routing entry (4-18 -> 0xc1 -> IRQ 18 Mode:1 Active:1 Dest:15)
[    6.518277] [drm] initializing kernel modesetting (RV100 0x1002:0x515E 0x1028:0x0225).
^G^G^G^G^G^G^G^G[    6.518297] [drm] register mmio base: 0xD0100000
^G^G^G^G^G^G^G^G[    6.518298] [drm] register mmio size: 65536
^G^G^G^G[    6.518397] radeon 0000:01:08.0: VRAM: 128M 0x00000000D8000000 - 0x00000000DFFFFFFF (32M used)
[    6.518400] radeon 0000:01:08.0: GTT: 512M 0x00000000B8000000 - 0x00000000D7FFFFFF
[    6.518405] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[    6.518406] [drm] Driver supports precise vblank timestamp query.
[    6.518425] [drm] radeon: irq initialized.
udevd-work[1440][    6.601794] [drm] Detected VRAM RAM=128M, BAR=128M
: error opening [    6.607954] [drm] RAM width 16bits DDR
ATTR{/sys/device[    6.613154] [TTM] Zone  kernel: Available graphics memory: 2028372 kiB
s/system/cpu/cpu[    6.620933] [TTM] Initializing pool allocator
0/online} for wr[    6.626664] [TTM] Initializing DMA pool allocator
iting: No such f[    6.632753] [drm] radeon: 32M of VRAM memory ready
ile or directory[    6.632754] [drm] radeon: 512M of GTT memory ready.
[    6.632783] [drm] GART: num cpu pages 131072, num gpu pages 131072


[    6.655070] [drm] PCI GART of 512M enabled (table at 0x00000000CF880000).
[    6.661862] radeon 0000:01:08.0: WB disabled
[72090] radeon 0000:01:08.0: fence driver on ring 0 use gpu addr 0x00000000b8000000 and cpu addr 0xffff8800cf805000
^G^G^G^G^G^G^G[    6.683361] [drm] Loading R100 Microcode
^G^G^G^G^G^G^G^G[    6.688788] [drm] radeon: ring at 0x00000000B8001000
^G^G^G^G[    6.694784] [drm] ring test succeeded in 1 usecs
[    6.700157] scsi0 : sata_nv
[    6.703141] [drm] ib test succeeded in 0 usecs
Waiting for devi[    6.708025] scsi1 : sata_nv
ces [  OK  ]
[    6.712152] ata1: SATA max UDMA/133 cmd 0x20f0 ctl 0x20e0 bmdma 0x20b0 irq 21
[    6.720171] ata2: SATA max UDMA/133 cmd 0x20d0 ctl 0x20c0 bmdma 0x20b8 irq 21
[    6.727732] ACPI: PCI Interrupt Link [LSI1] enabled at IRQ 20
[    6.733475] IOAPIC[0]: Set routing entry (4-20 -> 0xd1 -> IRQ 20 Mode:1 Active:1 Dest:15)
[    6.741673] sata_nv 0000:00:08.0: setting latency timer to 64
[    6.747542] [drm] Radeon Display Connectors
[    6.751714] [drm] Connector 0:
[    6.754759] [drm]   VGA-1
[    6.757371] [drm]   DDC: 0x60 0x60 0x60 0x60 0x60 0x60 0x60 0x60
[    6.763359] [drm]   Encoders:
[    6.766317] [drm]     CRT1: INTERNAL_DAC1
[    6.788537] radeon 0000:01:08.0: No connectors reported connected with modes
[    6.795559] [drm] Cannot find any crtc or sizes - going 1024x768
[    6.808986] [drm] fb mappable at 0xD8040000
[    6.813165] [drm] vram apper at 0xD8000000
[    6.817245] [drm] size 786432G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G[    6.840898] Console: switching to colour frame buffer device 128x48
[    6.854527] radeon 0000:01:08.0: fb0: radeondrmfb frame buffer device
[    6.860945] radeon 0000:01:08.0: registered panic notifier
[    6.866415] [drm] Initialized radeon 2.27.0 20080528 for 0000:01:08.0 on minor 0
[    6.873793] scsi2 : sata_nv
[    6.876867] scsi3 : sata_nv
[    6.879871] ata3: SATA max UDMA/133 cmd 0x2440 ctl 0x2430 bmdma 0x2400 irq 20
[    6.886983] ata4: SATA max UDMA/133 cmd 0x2420 ctl 0x2410 bmdma 0x2408 irq 20
[    6.894180] kvm: Nested Virtualization enabled
[    6.898618] kvm: Nested Paging enabled
[    7.180645] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    7.202055] ata1.00: ATA-7: WDC WD800AAJS-18TDA1, 01.00A04, max UDMA/133
[    7.208738] ata1.00: 156250000 sectors, multi 0:1.00: failed to get Identify Device Data, Emask 0x1
[    7.237024] ata1.00: configured for UDMA/133
^G^G^G^G^G^G^G^G[    7.241447] scsi 0:0:0:0: Direct-Access     ATA      WDC WD800AAJS-18 01.0 PQ: 0 ANSI: 5
^G^G^G^G^G^G^G^G[    7.251181] ACPI: Invalid Power Resource to register!
^G^G^G[    7.347515] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[    7.356706] ata3.00: ATAPI: HL-DT-STDVD-ROM GDRH20N, 0D04, max UDMA/100
[    7.368679] ata3.00: configured for UDMA/100
[    7.559349] ata2: SATA link down (SStatus 0 SControl 300)
[    7.566244] scsi 2:0:0:0: CD-ROM            HL-DT-ST DVD-ROM GD^G[    7.883098] ata4: SATA link down (SStatus 0 SControl 300)
[    7.892389] sd 0:0:0:0: [sda] 156250000 512-byte logical blocks: (80.0 GB/74.5 GiB)
[    7.900198] sd 0:0:0:0: [sda] Write Protect is off
[    7.901813] sr0: scsi3-mmc drive: 48x/48x cd/rw xa/form2 cdda tray
[    7.901816] cdrom: Uniform CD-ROM driver Revision: 3.20
[    7.902076] sr 2:0:0:0: Attached scsi CD-ROM sr0
[    7.920940] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    7.926014] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    7.939407]  sda: sda1 sda2
[    7.942560] sd 0:0:0:0: [sda] Attached SCSI disk
[    7.949796] sd 0:0:0:0: Attached scsi generic sg0 type 0
[    7.955181] sr 2:0:0:0: Attached scsi generic sg1 type 5
Waiting for fb [  OK  ]
Waiting for network [  OK  ]
Bringing up loopback interface:  [  OK  ]
Bringing up interface eth0:  [    8.164756] tg3 0000:02:00.0: irq 44 for MSI/MSI-X
[    8.202892] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[    8.208836] ip (2480) used greatest stack depth: 3664 byteG^G^G
Determining IP information for s[    8.254687] IPv6: ADDRCONF(NETDEV_UP): switch: link is not ready
witch...[   11.372531] tg3 0000:02:00.0 eth0: Link is up at 1000 Mbps, full duplex
[   11.379124] tg3 0000:02:00.0 eth0: Flow control iGE): eth0: link becomes ready
[   11.392337] switch: port 1(eth0) entered forwarding state
[   11.397720] switch: port 1(eth0) entered forwarding state
^G^G^G^G^[   11.403174] IPv6: ADDRCONF(NETDEV_CHANGE): switch: link becomes ready
G^G^G^G^G^G^G^G^G^G^G^G^G done.
[  OK  ]
Waiting for init.custom [  OK  ]

Starting SSHd ...

    SSH started [2667]


Waiting for SSHd [  OK  ]
WARNING: ssh currently running [2667] ignoring start request
[   13.229516] Loading iSCSI transport class v2.0-870.
[   13.236884] iscsi: registered transport (tcp)
iscsistart: transport class version 2.0-870. iscsid version 2.0-872
Could not get list of targets from firmware.
Dec 21 00:41:an't open /dev/hvc0'
[0:0:0:0]    disk    ATA      WDC WD800AAJS-18 01.0  /dev/sda 
[2:0:0:0]    cd/dvd  HL-DT-ST DVD-ROM GDRH20N  0D04  /dev/sr0 
^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G00:00.0 Memory controller: nVidia Corporation CK804 Memory Controller (rev a4)
00:01.0 ISA bridge: nVidia Corporation CK804 ISAUSB Controller: nVidia Corporation CK804 USB Controller (rev a4)
00:07.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev f3)
00:08.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev f3)
00:09.0 PCI bridge: nVidia Corporation CK804 PCI Bridge (rev f2)
00:0b.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev f3)
00:0c.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev f3)
00:0d.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev f3)
00:0e.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] HyperTransport Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] Miscellaneous Control
00:18.4 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] Link Control
01:08.0 VGA compatible controller: ATI Technologies Inc ES1000 (rev 02)
02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5722 Gigabit Ethernet PCI Express
           CPU0       CPU1       CPU2       CPU3       
  0:        186          0          0          0   IO-APIC-edge      timer
  1:          1          0          2          0   IO-APIC-edge      i8042
  4:          0          0          9        205   IO-APIC-edge      serial
  7:          1          0          0          0   IO-APIC-edge    
  8:          0          0          7         12   IO-APIC-edge      rtc0
  9:          0          0          0          0   IO-APIC-fasteoi   acpi
 18:          0          0          0          2   IO-APIC-fasteoi   radeon
 20:          0          0          1        104   IO-APIC-fasteoi   sata_nv
 21:          0          0          0          6   IO-APIC-fasteoi   sata_nv
 22:          0          0          0          0   IO-APIC-fasteoi   ehci_hcd:usb1
 23:          0          0          0          0   IO-APIC-fasteoi   ohci_hcd:usb2
 44:          1          0          1         63   PCI-MSI-edge      eth0
NMI:          0          0          0          0   Non-maskable interrupts
LOC:       3428       5032       2459       3357   Local timer interrupts
SPU:          0          0          0          0   Spurious interrupts
PMI:          0          0          0          0   Performance monitoring interrupts
IWI:          0          0          0          0   IRQ work interrupts
RTR:          0          0          0          0   APIC ICR read retries
RES:       3330       2274       2464       3292   Rescheduling interrupts
CAL:        237        225        252        217   Function call interrupts
TLB:        128        132        110        108   TLB shootdowns
TRM:          0          0          0          0   Thermal event interrupts
THR:          0          0          0          0   Threshold APIC interrupts
MCE:          0          0          0          0   Machine check exceptions
MCP:          1          1          1          1   Machine check polls
ERR:          1
MIS:          0
00000000-0000ffff : reserved
00010000-0009d7ff : System RAM
0009d800-0009ffff : reserved
000a0000-000bffff : PCI Bus 0000:00
000c0000-000c8fff : Video ROM
000c9000-000cadff : Adapter ROM
000cc000-000fffff : reserved
  000f0000-000fffff : System ROM
00100000-7ffeffff : System RAM
  01000000-01660947 : Kernel code
  01660948-01aa67ff : Kernel data
  01b6c000-01c6efff : Kernel bss
7fff0000-7fffffff : reserved
80000000-cfeeffff : System RAM
  c4000000-c7ffffff : GART
cfef0000-cfef4fff : ACPI Tables
cfef5000-cff7efff : ACPI Non-volatile Storage
cff7f000-cff7ffff : RAM buffer
cff80000-cf^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^Gffffff : reserved
d0000000-febfffff : PCI Bus 0000:00
  d0000000-d0000fff : 0000:00:02.0
    d0000000-d0000fff : ohci_hcd
  d0001000-d00010ff : 0000:00:02.1
    d0001000-d00010ff : ehci_hcd
  d0002000-d0002fff : 0000:00:07.0
    d0002000-d0002fff : sata_nv
  d0003000-d0003fff : 0000:00:08.0
    d0003000-d0003fff : sata_nv
  d0100000-d01fffff : PCI Bus 0000:01
    d0100000-d010ffff : 0000:01:08.0
    d0120000-d013ffff : 0000:01:08.0
  d0200000-d02fffff : PCI Bus 0000:02
    d0200000-d020ffff : 0000:02:00.0
      d0200000-d020ffff : tg3
  d8000000-dfffffff : PCI Bus 0000:01
    d8000000-dfffffff : 0000:01:08.0
  e0000000-efffffff : reserved
    e0000000-efffffff : pnp 00:01
      e0000000-e04fffff : PCI MMCONFIG 0000 [bus 00-04]
fec00000-fec0ffff : reserved
  fec00000-fec003ff : IOAPIC 0
fed00000-fed00fff : pnp 00:00
  fed00000-fed003ff : HPET 0
fed40000-fed8ffff : PCI Bus 0000:00
fee00000-fee00fff : Local APIC
  fee00000-fee00fff : reserved
fff80000-ffffffff : reserved
100000000-12fffffff : System RAM
MemTotal:        4056744 kB
MemFree:         3677064 kB
Buffers:               0 kB
Cached:           330376 kB
SwapCached:            0 kB
Active:            24400 kB
Inactive:         306016 kB
Active(anon):      17960 kB
Inactive(anon):   157932 kB
Active(file):       6440 kB
Inactive(file):   148084 kB
Unevictable:        4900 kB
Mlocked:            4900 kB
SwapTotal:             0 kB
SwapFree:              0 kB
Dirty:                 0 kB
Writeback:             0 kB
AnonPages:          4720 kB
Mapped:             5192 kB
Shmem:            172352 kB
Slab:              23760 kB
SReclaimable:      12168 kB
SUnreclaim:        11592 kB
KernelStack:         616 kB
PageTables:          656 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     2028372 kB
Committed_AS:     181976 kB
VmallocTotal:   34359738367 kB
VmallocUsed:       18228 kB
VmallocChunk:   34359719675 kB
AnonHugePages:         0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:       33728 kB
DirectMap2M:     2062336 kB
DirectMap1G:     2097152 kB
Waiting for init.late [  OK  ]
PING build.dumpdata.com (192.168.101.3) 56(84) bytes of data.

--- build.dumpdata.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 1ms
rtt min/avg/max/mdev = 0.365/0.365/0.365/0.000 ms
NFS done
libxl: error: libxl.c:56:libxl_ctx_init Is xenstore dae[   14.062956] device-mapper: ioctl: 4.23.0-ioctl (2012-07-25) initialised: dm-devel@redhat.com
mon running?
fa[   14.073738] device-mapper: multipath: version 1.5.0 loaded
iled to stat /var/run/xenstored.pid: No such file or directory
cannot init xl context
192.168.101.2:3260,1 iqn.2003-01.org.linux-iscsi.target:sn.726f464255f7b1dc47c8131b3471abeb
192.168.101.2:3260,1 iqn.2003-01.org.linux-iscsi.target:sn.726f464255f7b1dc47c8131b3471abeb
Logging in to [iface: default, target: iqn.2003-01.org.linux-iscsi.target:sn.726f464255f7b1dc47c8131b3471abeb, portal: 192.168.101.2,3260]
Dec 21 00:41:58 tst001 iscsid: transport class version 2.0-870. iscsid version 2.0-872
Dec 21 00:41:58 tst001 iscsid: iSCSI da^G[   14.338261] scsi4 : iSCSI Initiator over TCP/IP
[   14.596010] scsi 4:0:0:0: Direct-Access     LIO-ORG  IBLOCK           4.0  PQ: 0 ANSI: 5
[   14.604508] sd 4:0:0:0: Attached0
[   14.605855] sd 4:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[   14.624576]  sdb: unknown partition table
[   14.628090] sd 4:0:0:0: [sdb] Attached SCSI disk
[   14.644984] ttyS0: 1 input overrun(s)
^GLogin to [iface: default, target: iqn.2003-01.org.linux-iscsi.target:sn.726f464255f7b1dc47c8131b3471abeb, portal: 192.168.101.2,3260] successful.
^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^GDec 21 00:41:59 tst001 iscsid: Connection1:0 to [target: iqn.2003-01.org.linux-iscsi.target:sn.726f464255f7b1dc47c8131b3471abeb,G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G
PXELINUX 3.82 2009-06-09  Copyright (C) 1994-2009 H. Peter Anvin et al
Loading latest/vmlinuz.....................................................................
Loading latest/initramfs.cpio.gz..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ready.
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 3.7.0upstream-11627-g941108b (konrad@build.dumpdata.com) (gcc version 4.4.4 20100503 (Red Hat 4.4.4-2) (GCC) ) #1 SMP Thu Dec 20 18:33:37 EST 2012
[    0.000000] e820: BIOS-provided physical RAM map:
[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009d7ff] usable
[    0.000000] BIOS-e820: [mem 0x000000000009d800-0x000000000009ffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000000cc000-0x00000000000fffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007ffeffff] usable
[    0.000000] BIOS-e820: [mem 0x000000007fff0000-0x000000007fffffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000080000000-0x00000000cfeeffff] usable
[    0.000000] BIOS-e820: [mem 0x00000000cfef0000-0x00000000cfef4fff] ACPI data
[    0.000000] BIOS-e820: [mem 0x00000000cfef5000-0x00000000cff7efff] ACPI NVS
[    0.000000] BIOS-e820: [mem 0x00000000cff80000-0x00000000cfffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec0ffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fff80000-0x00000000ffffffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000012fffffff] usable
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] DMI present.
[    0.000000] DMI: Dell Inc. PowerEdge T105 /0RR825, BIOS 1.3.2 08/20/2008
[    0.000000] e820: update [mem 0x00000000-0x0000ffff] usable ==> reserved
[    0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
[    0.000000] e820: last_pfn = 0x130000 max_arch_pfn = 0x1000000
[    0.000000] MTRR default type: uncachable
[    0.000000] MTRR fixed ranges enabled:
[    0.000000]   00000-9FFFF write-back
[    0.000000]   A0000-BFFFF uncachable
[    0.000000]   C0000-CBFFF write-protect
[    0.000000]   CC000-E3FFF uncachable
[    0.000000]   E4000-FFFFF write-protect
[    0.000000] MTRR variable ranges enabled:
[    0.000000]   0 base 000000000000 mask FFFF80000000 write-back
[    0.000000]   1 base 000080000000 mask FFFFC0000000 write-back
[    0.000000]   2 base 0000C0000000 mask FFFFF0000000 write-back
[    0.000000]   3 disabled
[    0.000000]   4 disabled
[    0.000000]   5 disabled
[    0.000000]   6 disabled
[    0.000000]   7 disabled
[    0.000000] TOM2: 0000000130000000 aka 4864M
[    0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106
[    0.000000] e820: update [mem 0xd0000000-0xffffffff] usable ==> reserved
[    0.000000] Scan for SMP in [mem 0x00000000-0x000003ff]
[    0.000000] Scan for SMP in [mem 0x0009fc00-0x0009ffff]
[    0.000000] Scan for SMP in [mem 0x000f0000-0x000fffff]
[    0.000000] found SMP MP-table at [mem 0x000f7a70-0x000f7a7f] mapped at [c00f7a70]
[    0.000000]   mpc: 9e171-9e2a5
[    0.000000] initial memory mapped: [mem 0x00000000-0x01dfffff]
[    0.000000] Base memory trampoline at [c0099000] 99000 size 16384
[    0.000000] init_memory_mapping: [mem 0x00000000-0x37bfdfff]
[    0.000000]  [mem 0x00000000-0x001fffff] page 4k
[    0.000000]  [mem 0x00200000-0x379fffff] page 2M
[    0.000000]  [mem 0x37a00000-0x37bfdfff] page 4k
[    0.000000] kernel direct mapping tables up to 0x37bfdfff @ [mem 0x01dfa000-0x01dfffff]
[    0.000000] RAMDISK: [mem 0x7b60f000-0x7ffcefff]
[    0.000000] Allocated new RAMDISK: [mem 0x3323e000-0x37bfde8e]
[    0.000000] Move RAMDISK from [mem 0x7b60f000-0x7ffcee8e] to [mem 0x3323e000-0x37bfde8e]
[    0.000000] ACPI: RSDP 000f79b0 00024 (v02 PTLTD )
[    0.000000] ACPI: XSDT cfef0753 0009C (v01 DELL   PE_SC3   06040000 DELL 00000000)
[    0.000000] ACPI: FACP cfef3c5f 000F4 (v03 DELL   PE_SC3   06040000 DELL 000F4240)
[    0.000000] ACPI: DSDT cfef07ef 033FC (v01 DELL   PE_SC3   06040000 MSFT 0100000E)
[    0.000000] ACPI: FACS cfef5fc0 00040
[    0.000000] ACPI: TCPA cfef3d53 00032 (v01 Phoeni  x       06040000  TL  00000000)
[    0.000000] ACPI: SLIC cfef3d85 00024 (v01 DELL   PE_SC3   06040000 PTL  00000001)
[    0.000000] ACPI: SPCR cfef3da9 00050 (v01 DELL   PE_SC3   06040000 PTL  00000001)
[    0.000000] ACPI: EINJ cfef3df9 001B0 (v01 PTL    WHEAPTL  06040000 PTL  00000001)
[    0.000000] ACPI: HEST cfef3fa9 000A8 (v01 PTL    WHEAPTL  06040000 PTL  00000001)
[    0.000000] ACPI: BERT cfef4051 00030 (v01 PTL    WHEAPTL  06040000 PTL  00000001)
[    0.000000] ACPI: SSDT cfef4081 000E1 (v01 wheaos  wheaosc 06040000 INTL 20050624)
[    0.000000] ACPI: ERST cfef4162 00270 (v01 PTL    WHEAPTL  06040000 PTL  00000001)
[    0.000000] ACPI: SRAT cfef43d2 000E8 (v01 AMD    HAMMER   06040000 AMD  00000001)
[    0.000000] ACPI: SSDT cfef44ba 00A30 (v01 AMD    POWERNOW 06040000 AMD  00000001)
[    0.000000] ACPI: MCFG cfef4eea 0003C (v01 PTLTD    MCFG   06040000  LTP 00000000)
[    0.000000] ACPI: HPET cfef4f26 00038 (v01 PTLTD  HPETTBL  06040000  LTP 00000001)
[    0.000000] ACPI: APIC cfef4f5e 0007A (v01 PTLTD  ? APIC   06040000  LTP 00000000)
[    0.000000] ACPI: BOOT cfef4fd8 00028 (v01 PTLTD  $SBFTBL$ 06040000  LTP 00000001)
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] mapped APIC to         ffff9000 (        fee00000)
[    0.000000] 3972MB HIGHMEM available.
[    0.000000] 891MB LOWMEM available.
[    0.000000]   mapped low ram: 0 - 37bfe000
[    0.000000]   low ram: 0 - 37bfe000
[    0.000000] Zone ranges:
[    0.000000]   DMA      [mem 0x00010000-0x00ffffff]
[    0.000000]   Normal   [mem 0x01000000-0x37bfdfff]
[    0.000000]   HighMem  [mem 0x37bfe000-0x2fffffff]
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x00010000-0x0009cfff]
[    0.000000]   node   0: [mem 0x00100000-0x7ffeffff]
[    0.000000]   node   0: [mem 0x80000000-0xcfeeffff]
[    0.000000]   node   0: [mem 0x00000000-0x2fffffff]
[    0.000000] On node 0 totalpages: 1048173
[    0.000000] free_area_init_node: node 0, pgdat c175d240, node_mem_map f0c3d200
[    0.000000]   DMA zone: 32 pages used for memmap
[    0.000000]   DMA zone: 0 pages reserved
[    0.000000]   DMA zone: 3949 pages, LIFO batch:0
[    0.000000]   Normal zone: 1752 pages used for memmap
[    0.000000]   Normal zone: 222502 pages, LIFO batch:31
[    0.000000]   HighMem zone: 7945 pages used for memmap
[    0.000000]   HighMem zone: 811993 pages, LIFO batch:31
[    0.000000] Using APIC driver default
[    0.000000] ACPI: PM-Timer IO Port: 0x8008
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] mapped APIC to         ffff9000 (        fee00000)
[    0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled)
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
[    0.000000] ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0])
[    0.000000] IOAPIC[0]: apic_id 4, version 17, address 0xfec00000, GSI 0-23
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge)
[    0.000000] Int: type 0, pol 1, trig 1, bus 00, IRQ 00, APIC ID 4, APIC INT 02
[    0.000000] Int: type 0, pol 3, trig 3, bus 00, IRQ 09, APIC ID 4, APIC INT 09
[    0.000000] ACPI: IRQ0 used by override.
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 4, APIC INT 01
[    0.000000] ACPI: IRQ2 used by override.
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 4, APIC INT 03
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 4, APIC INT 04
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 05, APIC ID 4, APIC INT 05
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 4, APIC INT 06
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 4, APIC INT 07
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 4, APIC INT 08
[    0.000000] ACPI: IRQ9 used by override.
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0a, APIC ID 4, APIC INT 0a
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0b, APIC ID 4, APIC INT 0b
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 4, APIC INT 0c
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 4, APIC INT 0d
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 4, APIC INT 0e
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 4, APIC INT 0f
[    0.000000] Using ACPI (MADT) for SMP configuration information
[    0.000000] ACPI: HPET id: 0x10de8201 base: 0xfed00000
[    0.000000] smpboot: Allowing 4 CPUs, 0 hotplug CPUs
[    0.000000] mapped IOAPIC to ffff8000 (fec00000)
[    0.000000] nr_irqs_gsi: 40
[    0.000000] PM: Registered nosave memory: 000000000009d000 - 000000000009e000
[    0.000000] PM: Registered nosave memory: 000000000009e000 - 00000000000a0000
[    0.000000] PM: Registered nosave memory: 00000000000a0000 - 00000000000cc000
[    0.000000] PM: Registered nosave memory: 00000000000cc000 - 0000000000100000
[    0.000000] e820: [mem 0xd0000000-0xdfffffff] available for PCI devices
[    0.000000] Booting paravirtualized kernel on bare hardware
[    0.000000] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:4 nr_node_ids:1
[    0.000000] PERCPU: Embedded 14 pages/cpu @f0bf3000 s34944 r0 d22400 u57344
[    0.000000] pcpu-alloc: s34944 r0 d22400 u57344 alloc=14*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 1038444
[    0.000000] Kernel command line: initrd=latest/initramfs.cpio.gz zcache nofb debug selinux=0 console=ttyS0,115200 loglevel=10 apic=debug BOOT_IMAGE=latest/vmlinuz 
[    0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] __ex_table already sorted, skipping sort
[    0.000000] Initializing CPU#0
[    0.000000] Initializing HighMem for node 0 (00037bfe:00130000)
[    0.000000] Memory: 4068260k/4980736k available (5691k kernel code, 124432k reserved, 1900k data, 536k init, 3279752k highmem)
[    0.000000] virtual kernel memory layout:
[    0.000000]     fixmap  : 0xfff14000 - 0xfffff000   ( 940 kB)
[    0.000000]     pkmap   : 0xffc00000 - 0xffe00000   (2048 kB)
[    0.000000]     vmalloc : 0xf83fe000 - 0xffbfe000   ( 120 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xf7bfe000   ( 891 MB)
[    0.000000]       .init : 0xc176b000 - 0xc17f1000   ( 536 kB)
[    0.000000]       .data : 0xc158eebd - 0xc176a180   (1900 kB)
[    0.000000]       .text : 0xc1000000 - 0xc158eebd   (5691 kB)
[    0.000000] Checking if this processor honours the WP bit even in supervisor mode...Ok.
[    0.000000] Hierarchical RCU implementation.
[    0.000000] 	RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=4.
[    0.000000] NR_IRQS:2304 nr_irqs:712 16
[    0.000000] CPU 0 irqstacks, hard=f0406000 soft=f0408000
[    0.000000] Extended CMOS year: 2000
[    0.000000] spurious 8259A interrupt: IRQ7.
[    0.000000] Console: colour VGA+ 80x25
[    0.000000] console [ttyS0] enabled
[    0.000000] hpet clockevent registered
[    0.001000] tsc: Fast TSC calibration using PIT
[    0.002000] tsc: Detected 2109.833 MHz processor
[    0.000002] Calibrating delay loop (skipped), value calculated using timer frequency.. 4219.66 BogoMIPS (lpj=2109833)
[    0.010592] pid_max: default: 32768 minimum: 301
[    0.015224] Security Framework initialized
[    0.019309] SELinux:  Disabled at boot.
[    0.023145] Mount-cache hash table entries: 512
[    0.027838] Initializing cgroup subsys cpuacct
[    0.032270] Initializing cgroup subsys freezer
[    0.036720] CPU: Physical Processor ID: 0
[    0.040718] CPU: Processor Core ID: 0
[    0.044374] mce: CPU supports 6 MCE banks
[    0.048376] LVT offset 0 assigned for vector 0xf9
[    0.053069] process: using AMD E400 aware idle routine
[    0.058196] Last level iTLB entries: 4KB 512, 2MB 16, 4MB 8
[    0.058196] Last level dTLB entries: 4KB 512, 2MB 128, 4MB 64
[    0.058196] tlb_flushall_shift: 4
[    0.072881] Freeing SMP alternatives: 24k freed
[    0.079375] ACPI: Core revision 20121018
[    0.088153] Getting VERSION: 80050010
[    0.091807] Getting VERSION: 80050010
[    0.095460] Getting ID: 0
[    0.098073] Getting ID: f000000
[    0.101205] Getting LVT0: 10000
[    0.104333] Getting LVT1: 10000
[    0.107472] Enabling APIC mode:  Flat.  Using 1 I/O APICs
[    0.112857] masked ExtINT on CPU#0
[    0.116395] ENABLING IO-APIC IRQs
[    0.119700] init IO_APIC IRQs
[    0.122659]  apic 4 pin 0 not connected
[    0.126486] IOAPIC[0]: Set routing entry (4-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:1)
[    0.134379] IOAPIC[0]: Set routing entry (4-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1)
[    0.142271] IOAPIC[0]: Set routing entry (4-3 -> 0x33 -> IRQ 3 Mode:0 Active:0 Dest:1)
[    0.150158] IOAPIC[0]: Set routing entry (4-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:1)
[    0.158049] IOAPIC[0]: Set routing entry (4-5 -> 0x35 -> IRQ 5 Mode:0 Active:0 Dest:1)
[    0.165939] IOAPIC[0]: Set routing entry (4-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:1)
[    0.173829] IOAPIC[0]: Set routing entry (4-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:1)
[    0.181720] IOAPIC[0]: Set routing entry (4-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:1)
[    0.189611] IOAPIC[0]: Set routing entry (4-9 -> 0x39 -> IRQ 9 Mode:1 Active:1 Dest:1)
[    0.197500] IOAPIC[0]: Set routing entry (4-10 -> 0x3a -> IRQ 10 Mode:0 Active:0 Dest:1)
[    0.205564] IOAPIC[0]: Set routing entry (4-11 -> 0x3b -> IRQ 11 Mode:0 Active:0 Dest:1)
[    0.213626] IOAPIC[0]: Set routing entry (4-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:1)
[    0.221690] IOAPIC[0]: Set routing entry (4-13 -> 0x3d -> IRQ 13 Mode:0 Active:0 Dest:1)
[    0.229753] IOAPIC[0]: Set routing entry (4-14 -> 0x3e -> IRQ 14 Mode:0 Active:0 Dest:1)
[    0.237817] IOAPIC[0]: Set routing entry (4-15 -> 0x3f -> IRQ 15 Mode:0 Active:0 Dest:1)
[    0.245880]  apic 4 pin 16 not connected
[    0.249782]  apic 4 pin 17 not connected
[    0.253691]  apic 4 pin 18 not connected
[    0.257600]  apic 4 pin 19 not connected
[    0.261501]  apic 4 pin 20 not connected
[    0.265411]  apic 4 pin 21 not connected
[    0.269321]  apic 4 pin 22 not connected
[    0.273223]  apic 4 pin 23 not connected
[    0.277272] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[    0.293261] smpboot: CPU0: Quad-Core AMD Opteron(tm) Processor 1352 (fam: 10, model: 02, stepping: 03)
[    0.302580] Using local APIC timer interrupts.
[    0.302580] calibrating APIC timer ...
[    0.412195] ... lapic delta = 1255730
[    0.415841] ... PM-Timer delta = 357939
[    0.419659] ... PM-Timer result ok
[  0627 MHz.
[    0.438484] ..... host bus clock speed is 200.0916 MHz.
[    0.443698] Performance Events: AMD PMU driver.
[    0.448229] ... version:                0
[    0.452227] ... bit width:              48
[    0.456310] ... generic registers:      4
[    0.460306] ... value mask:             0000ffffffffffff
[    0.465590] ... max period:             00007fffffffffff
[    0.470883] ... fixed-purpose events:   0
[    0.474878] ... event mask:             000000000000000f
[    0.480368] MCE: In-kernel MCE decoding enabled.
[    0.485030] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter.
[    0.493124] CPU 1 irqstacks, hard=f049e000 soft=f04a0000
[    0.498415] smpboot: Booting Node   0, Processors  #1[    0.513539] Initializing CPU#1
[    0.516595] masked ExtINT on CPU#1

[    0.522172] CPU 2 irqstacks, hard=f04ec000 soft=f04ee000
[    0.527651]  #2[    0.539478] Initializing CPU#2
[    0.542534] masked ExtINT on CPU#2

[    0.548174] CPU 3 irqstacks, hard=f051a000 soft=f[    0.565912] Initializing CPU#3
[    0.568962] masked ExtINT on CPU#3
[    0.574399] Brought up 4 CPUs
[    0.577358] smpbo1) used greatest stack depth: 7236 bytes left
[    0.595145] RTC time:  0:43:06, date: 12/21/12
[    0.606175] NET: Registered protocol family 16
[    0.611050] node 0 link 0: io port [1000, 3fff]
[    0.615572] node 0 link 0: io port [4000, fffff]
[    0.620174] TOM: 00000000d0000000 aka 3328M
[    0.624341] node 0 link 0: mmio [d0000000, d04fffff]
[    0.629301] node 0 link 0: mmio [fed00000, fed0ffff]
[    0.634255] node 0 link 0: mmio [d8000000, dfffffff]
[    0.639208] node 0 link 0: mmio [fec00000, fec0ffff]
[    0.644162] node 0 link 0: mmio [e0000000, efffffff]
[    0.649115] node 0 link 0: mmio [a0000, bffff]
[    0.653551] node 0 link 0: mmio [f0000000, fe0bffff]
[    0.658511] TOM2: 0000000130000000 aka 4864M
[    0.662767] bus: [bus 00-ff] on node 0 link 0
[    0.667106] bus: 00 [io  0x0000-0xffff]
[    0.670927] bus: 00 [mem 0xd0000000-0xd7ffffff]
[    0.675441] bus: 00 [mem 0xfec10000-0xffffffff]
[    0.679954] bus: 00 [mem 0xd8000000-0xfebfffff]
[    0.684468] bus: 00 [mem 0xfec00000-0xfec0ffff]
[    0.688980] bus: 00 [mem 0x000a0000-0x000bffff]
[    0.693494] bus: 00 [mem 0x130000000-0xfcffffffff]
[    0.698376] ACPI: bus type pci registered
[    0.702506] dca service started, version 1.12.1
[    0.707071] PCI: MMCONFIG for domain 0000 [bus 00-04] at [mem 0xe0000000-0xe04fffff] (base 0xe0000000)
[    0.716347] PCI: MMCONFIG at [mem 0xe0000000-0xe04fffff] reserved in E820
[    0.723110] PCI: Using MMCONFIG for extended config space
[    0.728487] PCI: Using configuration type 1 for base access
[    0.734680] kworker/u:0 (59) used greatest stack depth: 7044 bytes left
[    0.747379] bio: create slab <bio-0> at 0
[    0.751557] ACPI: Added _OSI(Module Device)
[    0.755727] ACPI: Added _OSI(Processor Device)
[    0.760154] ACPI: Added _OSI(3.0 _SCP Extensions)
[    0.764840] ACPI: Added _OSI(Processor Aggregator Device)
[    0.771070] ACPI: EC: Look up EC in DSDT
[    0.779609] \_SB_:_OSC evaluation returned wrong type
[    0.784643] _OSC request data:1 17 
[    0.788563] ACPI: InterpretI: Using IOAPIC for interrupt routing
[    0.809717] ACPI: No dock devices found.
[    0.813671] [Firmware Warn]: HEST: Duplicated hardware error source ID: 9.
[   CPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
[    0.841914] pci_root PNP0A03:00: ACPI _OSC support notification failed, disabling PCIe ASPM
[    0.850234] pci_root PNP0A03:00: Unable to request _OSC control (_OSC support mask: 0x08)
[    0.858557] pci_root PNP0A03:00: ignoring host bridge window [mem 0x000c0000-0x000dffff] (conflicts with reserved [mem 0x000cc000-0x000fffff])
[    0.871288] pci_root PNP0A03:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-04] only partially covers this bridge
[    0.882171] PCI host bridge to bus 0000:00
[    0.886255] pci_bus 0000:00: root bus resource [bus 00-ff]
[    0.891720] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7]
[    0.897876] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff]
[    0.904033] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
[    0.910883] pci_bus 0000:00: root bus resource [mem 0xd0000000-0xfebfffff]
[    0.917733] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed8ffff]
[    0.924594] pci 0000:00:00.0: [10de:005e] type 00 class 0x058000
[    0.930646] pci 0000:00:01.0: [10de:0051] type 00 class 0x060100
[    0.936633] pci 0000:00:01.0: reg 10: [io  0x8c00-0x8fff]
[    0.942036] pci 0000:00:01.1: [10de:0052] type 00 class 0x0c0500
[    0.948026] pci 0000:00:01.1: reg 10: [io  0x2080-0x209f]
[    0.953408] pci 0000:00:01.1: reg 20: [io  0x2040-0x207f]
[    0.958788] pci 0000:00:01.1: reg 24: [io  0x2000-0x203f]
[    0.964179] pci 0000:00:01.1: PME# supported from D3hot D3cold
[    0.970002] pci 0000:00:02.0: [10de:005a] type 00 class 0x0c0310
[    0.975992] pci 0000:00:02.0: reg 10: [mem 0xd0000000-0xd0000fff]
[    0.982087] pci 0000:00:02.0: supports D1 D2
[    0.986342] pci 0000:00:02.0: PME# supported from D0 D1 D2 D3hot D3cold
[    0.992941] pci 0000:00:02.1: [10de:005b] type 00 class 0x0c0320
[    0.998930] pci 0000:00:02.1: reg 10: [mem 0xd0001000-0xd00010ff]
[    1.005029] pci 0000:00:02.1: supports D1 D2
[    1.009283] pci 0000:00:02.1: PME# supported from D0 D1 D2 D3hot D3cold
[    1.015889] pci 0000:00:07.0: [10de:0054] type 00 class 0x010185
[    1.021879] pci 0000:00:07.0: reg 10: [io  0x20f0-0x20f7]
[    1.027254] pci 0000:00:07.0: reg 14: [io  0x20e0-0x20e3]
[    1.032634] pci 0000:00:07.0: reg 18: [io  0x20d0-0x20d7]
[    1.038014] pci 0000:00:07.0: reg 1c: [io  0x20c0-0x20c3]
[    1.043394] pci 0000:00:07.0: reg 20: [io  0x20b0-0x20bf]
[    1.048774] pci 0000:00:07.0: reg 24: [mem 0xd0002000-0xd0002fff]
[    1.054872] pci 0000:00:08.0: [10de:0055] type 00 class 0x010185
[    1.060862] pci 0000:00:08.0: reg 10: [io  0x2440-0x2447]
[    1.066244] pci 0000:00:08.0: reg 14: [io  0x2430-0x2433]
[    1.071625] pci 0000:00:08.0: reg 18: [io  0x2420-0x2427]
[    1.077006] pci 0000:00:08.0: reg 1c: [io  0x2410-0x2413]
[    1.082386] pci 0000:00:08.0: reg 20: [io  0x2400-0x240f]
[    1.087767] pci 0000:00:08.0: reg 24: [mem 0xd0003000-0xd0003fff]
[    1.093860] pci 0000:00:09.0: [10de:005c] type 01 class 0x060400
[    1.099862] pci 0000:00:0b.0: [10de:005d] type 01 class 0x060400
[    1.105873] pci 0000:00:0b.0: PME# supported from D0 D1 D2 D3hot D3cold
[    1.112474] pci 0000:00:0c.0: [10de:005d] type 01 class 0x060400
[    1.118483] pci 0000:00:0c.0: PME# supported from D0 D1 D2 D3hot D3cold
[    1.125084] pci 0000:00:0d.0: [10de:005d] type 01 class 0x060400
[    1.131092] pci 0000:00:0d.0: PME# supported from D0 D1 D2 D3hot D3cold
[    1.137693] pci 0000:00:0e.0: [10de:005d] type 01 class 0x060400
[    1.143701] pci 0000:00:0e.0: PME# supported from D0 D1 D2 D3hot D3cold
[    1.150306] pci 0000:00:18.0: [1022:1200] type 00 class 0x060000
[    1.156307] pci 0000:00:18.1: [1022:1201] type 00 class 0x060000
[    1.162305] pci 0000:00:18.2: [1022:1202] type 00 class 0x060000
[    1.168303] pci 0000:00:18.3: [1022:1203] type 00 class 0x060000
[    1.174304] pci 0000:00:18.4: [1022:1204] type 00 class 0x060000
[    1.180322] pci 0000:01:08.0: [1002:515e] type 00 class 0x030000
[    1.186316] pci 0000:01:08.0: reg 10: [mem 0xd8000000-0xdfffffff pref]
[    1.192824] pci 0000:01:08.0: reg 14: [io  0x3000-0x30ff]
[    1.198208] pci 0000:01:08.0: reg 18: [mem 0xd0100000-0xd010ffff]
[    1.204298] pci 0000:01:08.0: reg 30: [mem 0x00000000-0x0001ffff pref]
[    1.210817] pci 0000:01:08.0: supports D1 D2
[    1.215092] pci 0000:00:09.0: PCI bridge to [bus 01]
[    1.220040] pci 0000:00:09.0:   bridge window [io  0x3000-0x3fff]
[    1.226118] pci 0000:00:09.0:   bridge window [mem 0xd0100000-0xd01fffff]
[    1.232886] pci 0000:00:09.0:   bridge window [mem 0xd8000000-0xdfffffff pref]
[    1.240115] pci 0000:02:00.0: [14e4:165a] type 00 class 0x020000
[    1.246112] pci 0000:02:00.0: reg 10: [mem 0xd0200000-0xd020ffff 64bit]
[    1.252784] pci 0000:02:00.0: PME# supported from D3hot D3cold
[    1.260480] pci 0000:00:0b.0: PCI bridge to [bus 02]
[    1.265432] pci 0000:00:0b.0:   bridge window [mem 0xd0200000-0xd02fffff]
[    1.272214] pci 0000:00:0c.0: PCI bridge to [bus 03]
[    1.277184] pci 0000:00:0d.0: PCI bridge to [bus 04]
[    1.282149] pci 0000:00:0e.0: PCI bridge to [bus 05]
[    1.287105] pci_bus 0000:00: on NUMA node 0
[    1.291282] ACPI: Invalid Power Resource to register!
[    1.296325] ACPI: Invalid Power Resource to register!
[    1.301365] ACPI: Invalid Power Resource to register!
[    1.306405] ACPI: Invalid Power Resource to register!
[    1.311456] ACPI: Invalid Power Resource to register!
[    1.316490] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.P2P0._PRT]
[    1.322865] ACPI: Invalid Power Resource to register!
[    1.327906] ACPI: Invalid Power Resource to register!
[    1.332947] ACPI: Invalid Power Resource to register!
[    1.337981] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.XVR0._PRT]
[    1.344347] ACPI: Invalid Power Resource to register!
[    1.349380] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.XVR1._PRT]
[    1.355744] ACPI: Invalid Power Resource to register!
[    1.360777] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.XVR2._PRT]
[    1.367141] ACPI: Invalid Power Resource to register!
[    1.372175] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.XVR3._PRT]
[    1.378534] ACPI _OSC control for PCIe not granted, disabling ASPM
[    1.407317] ACPI: PCI Interrupt Link [LNK1] (IRQs 16 17 18 19) *0
[    1.413658] ACPI: PCI Interrupt Link [LNK2] (IRQs 16 17nterrupt Link [LNK5] (IRQs 16 17 18 19) *0, disabled.
[    1.441722] ACPI: PCI Interrupt Link [LSMB] (IRQs 20 21 22 23) *0
[    1.448014] ACPI: PCI Interrupt Link [LUS0] (IRQs 20 21 22 23) *0
[    1.454315] ACPI: PCI Interrupt Link [LUS2] (IRQs 20 21 22 23) *0, disabled.
[    1.461569] ACPI: PCI Interrupt Link [LMAC] (IRQs 20 21 22 23) *0, disabled.
[    1.468835] ACPI: PCI Interrupt Link [LACI] (IRQs 20 21 22 23) *0, disabled.
[    1.476096] ACPI: PCI Interrupt Link [LMCI] (IRQs 20 21 22 23) *0, disabled.
[    1.483354] ACPI: PCI Interrupt Link [LPID] (IRQs 20 21 22 23) *0, disabled.
[    1.490627] ACPI: PCI Interrupt Link [LTID] (IRQs 20 21 22 23) *0
[    1.496923] ACPI: PCI Interrupt Link [LSI1] (IRQs 20 21 22 23) *0
[    1.503231] ACPI: PCI Interrupt Link [APCP] (IRQs 20 21 22 23) *0, disabled.
[    1.510571] vgaarb: device added: PCI:0000:01:08.0,decodes=io+mem,owns=io+mem,locks=none
[    1.518631] vgaarb: loaded
[    1.521328] vgaarb: bridge control possible 0000:01:08.0
[    1.526769] ACPI: bus type usb registered
[    1.530846] usbcore: registered new interface driver usbfs
[    1.536354] usbcore: registered new interface driver hub
[    1.541729] usbcore: registered new device driver usb
[    1.546916] pps_core: LinuxPPS API ver. 1 registered
[    1.551863] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    1.560994] PTP clock support registered
[    1.565006] PCI: Using ACPI for IRQ routing
[    1.569180] PCI: pci_cache_line_size set to 64 bytes
[    1.574168] e820: reserve RAM buffer [mem 0x0009d800-0x0009ffff]
[    1.580154] e820: reserve RAM buffer [mem 0x7fff0000-0x7fffffff]
[    1.586137] e820: reserve RAM buffer [mem 0xcfef0000-0xcfffffff]
[    1.592343] NetLabel: Initializing
[    1.595733] NetLabel:  domain hash size = 128
[    1.600073] NetLabel:  protocols = UNLABELED CIPSOv4
[    1.605030] NetLabel:  unlabeled traffic allowed by default
[    1.610775] HPET: 3 timers in total, 0 timers will be used for per-cpu timer
[    1.617800] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 31
[    1.622794] hpet0: 3 comparators, 32-bit 25.000000 MHz counter
[    1.630786] Switching to clocksource hpet
[    1.636821] pnp: PnP ACPI init
[    1.639879] ACPI: bus type pnp registered
[    1.644119] system 00:00: [mem 0xffc00000-0xffffffff] could not be reserved
[    1.651059] system 00:00: [mem 0xfec00000-0xfec00fff] could not be reserved
[    1.658001] system 00:00: [mem 0xfee00000-0xfeefffff] could not be reserved
[    1.664938] system 00:00: [mem 0xfed00000-0xfed00fff] has been reserved
[    1.671532] system 00:00: Plug and Play ACPI device, IDs PNP0c01 (active)
[    1.678421] system 00:01: [mem 0xe0000000-0xefffffff] has been reserved
[    1.685015] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active)
[    1.692426] system 00:02: [io  0x8000-0x807f] has been reserved
[    1.698327] system 00:02: [io  0x8080-0x80ff] has been reserved
[    1.704228] system 00:02: [io  0x8400-0x847f] has been reserved
[    1.710130] system 00:02: [io  0x8480-0x84ff] has been reserved
[    1.716030] system 00:02: [io  0x8800-0x887f] has been reserved
[    1.721931] system 00:02: [io  0x8880-0x88ff] has been reserved
[    1.727832] system 00:02: [io  0x2040-0x207f] has been reserved
[    1.733733] system 00:02: [io  0x2000-0x203f] has been reserved
[    1.739634] system 00:02: Plug and Play ACPI device, IDs PNP0c02 (active)
[    1.746506] IOAPIC[0]: Set routing entry (4-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:15)
[    1.754543] pnp 00:03: Plug and Play ACPI device, IDs PNP0103 (active)
[    1.761145] system 00:04: [io  0x04d0-0x04d1] has been reserved
[    1.767047] system 00:04: Plug and Play ACPI device, IDs PNP0c02 (active)
[    1.773834] pnp 00:05: [dma 4]
[    1.776932] pnp 00:05: Plug and Play ACPI device, IDs PNP0200 (active)
[    1.783505] pnp 00:06: Plug and Play ACPI device, IDs PNP0800 (active)
[    1.790110] pnp 00:07: Plug and Play ACPI device, IDs PNP0b00 (active)
[    1.796631] IOAPIC[0]: Set routing entry (4-13 -> 0x3d -> IRQ 13 Mode:0 Active:0 Dest:15)
[    1.804833] pnp 00:08: Plug and Play ACPI device, IDs PNP0c04 (active)
[    1.811422] system 00:09: [io  0x0c00-0x0c7f] has been reserved
[    1.817324] system 00:09: Plug and Play ACPI device, IDs PNP0c02 (active)
[    1.824450] IOAPIC[0]: Set routing entry (4-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:15)
[    1.832532] pnp 00:0a: Plug and Play ACPI device, IDs PNP0501 (active)
[    1.839759] pnp: PnP ACPI: found 11 devices
[    1.843930] ACPI: ACPI bus type pnp unregistered
[    1.886905] pci 0000:01:08.0: BAR 6: assigned [mem 0xd0120000-0xd013ffff pref]
[    1.894103] pci 0000:00:09.0: PCI bridge to [bus 01]
[    1.899054] pci 0000:00:09.0:   bridge window [io  0x3000-0x3fff]
[    1.905128] pci 0000:00:09.0:   bridge window [mem 0xd0100000-0xd01fffff]
[    1.911895] pci 0000:00:09.0:   bridge window [mem 0xd8000000-0xdfffffff pref]
[    1.919095] pci 0000:00:0b.0: PCI bridge to [bus 02]
[    1.924044] pci 0000:00:0b.0:   bridge window [mem 0xd0200000-0xd02fffff]
[    1.930810] pci 0000:00:0c.0: PCI bridge to [bus 03]
[    1.935762] pci 0000:00:0d.0: PCI bridge to [bus 04]
[    1.940712] pci 0000:00:0e.0: PCI bridge to [bus 05]
[    1.945668] pci 0000:00:09.0: setting latency timer to 64
[    1.951055] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7]
[    1.956608] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff]
[    1.962163] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff]
[    1.968409] pci_bus 0000:00: resource 7 [mem 0xd0000000-0xfebfffff]
[    1.974656] pci_bus 0000:00: resource 8 [mem 0xfed40000-0xfed8ffff]
[    1.980903] pci_bus 0000:01: resource 0 [io  0x3000-0x3fff]
[    1.986458] pci_bus 0000:01: resource 1 [mem 0xd0100000-0xd01fffff]
[    1.992705] pci_bus 0000:01: resource 2 [mem 0xd8000000-0xdfffffff pref]
[    1.999384] pci_bus 0000:02: resource 1 [mem 0xd0200000-0xd02fffff]
[    2.005689] NET: Registered protocol family 2
[    2.010200] TCP established hash table entries: 8192 (order: 4, 65536 bytes)
[    2.017259] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[    2.023713] TCP: Hash tables configured (established 8192 bind 8192)
[    2.030070] TCP: reno registered
[    2.033290] UDP hash table entries: 512 (order: 2, 16384 bytes)
[    2.039197] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[    2.045591] NET: Registered protocol family 1
[    2.050070] RPC: Registered named UNIX socket transport module.
[    2.055977] RPC: Registered udp transport module.
[    2.060666] RPC: Registered tcp transport module.
[    2.065355] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    2.072105] ACPI: PCI Interrupt Link [LUS0] enabled at IRQ 23
[    2.077841] IOAPIC[0]: Set routing entry (4-23 -> 0x41 -> IRQ 23 Mode:1 Active:1 Dest:15)
[    2.136803] ACPI: PCI Interrupt Link [LUS2] enabled at IRQ 22
[    2.142548] IOAPIC[0]: Set routing entry (4-22 -> 0x51 -> I    2.156238] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.161741] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.167216] pci 0000:00:0b.0: Found disabled HT MSI Mapping
[    2.172778] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.178283] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.183758] pci 0000:00:0c.0: Found disabled HT MSI Mapping
[    2.189322] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.194830] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.200305] pci 0000:00:0d.0: Found disabled HT MSI Mapping
[    2.205868] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.211384] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.216858] pci 0000:00:0e.0: Found disabled HT MSI Mapping
[    2.222421] pci 0000:00:00.0: Found enabled HT MSI Mapping
[    2.227902] pci 0000:01:08.0: Boot video device
[    2.232426] PCI: CLS 64 bytes, default 64
[    2.236532] Unpacking initramfs...
[    4.437404] Freeing initrd memory: 75520k freed
[    4.472802] Simple Boot Flag at 0x62 set to 0x80
[    4.477567] Machine check injector initialized
[    4.482002] LVT offset 1 assigned for vector 0x400
[    4.486792] Failed to setup IBS LVT offset, IBSCTL = 0xffffffff
[    4.492694] [Firmware Bug]: cpu 3, try to use APIC500 (LVT offset 0) for vector 0x10400, but the register is already in use for vector 0xf9 on another cpu
[    4.506469] [Firmware Bug]: cpu 3, IBS interrupt offset 0 not available (MSRC001103A=0x0000000000000100)
[    4.515916] Failed to setup IBS, -22
[    4.520088] microcode: CPU0: patch_level=0x01000065
[    4.524954] microcode: CPU1: patch_level=0x01000065
[    4.529824] microcode: CPU2: patch_level=0x01000065
[    4.534687] microcode: CPU3: patch_level=0x01000065
[    4.539612] microcode: Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
[    4.548725] audit: initializing netlink socket (disabled)
[    4.554126] type=2000 audit(1356050589.012:1): initialized
[    4.576659] bounce pool size: 64 pages
[    4.580410] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[    4.58719ntries: 1024 (order 0, 4096 bytes)
[    4.597839] NFS: Registering the id_resolver key type
[    4.602887] Key type id_resolver registered
[    4.607057] Key type id_legacy registered
[    4.611062] NTFS driver 2.1.30 [Flags: R/W].
[    4.615408] msgmni has been set to 1687
[    4.619648] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[    4.627019] io scheduler noop registered
[    4.630930] io scheduler deadline registered
[    4.635201] io scheduler cfq registered (default)
[    4.640024] pcieport 0000:00:0b.0: irq 40 for MSI/MSI-X
[    4.645316] pcieport 0000:00:0c.0: irq 41 for MSI/MSI-X
[    4.650606] pcieport 0000:00:0d.0: irq 42 for MSI/MSI-X
[    4.655892] pcieport 0000:00:0e.0: irq 43 for MSI/MSI-X
[    4.661251] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[    4.667049] input: Power Button as /devices/LNXSYSTM:00/device:00/PNP0C0C:00/input/input0
[    4.675203] ACPI: Power Button [PWRB]
[    4.678945] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1
[    4.686322] ACPI: Power Button [PWRF]
[    4.690142] ACPI: acpi_idle registered with cpuidle
[    4.700690] ERST: Can not request iomem region <0x        cff7f000-0x        cff80000> for ERST.
[    4.716458] GHES: HEST is not enabled!
[    4.720217] EINJ: Error INJection is initialized.
[    4.724910] ioatdma: Intel(R) QuickData Technology Driver 4.00
[    4.753804] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    4.780588] 00:0a: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[    4.787073] Non-volatile memory driver v1.3
[    4.791335] Lerface v0.103
[    4.796038] [drm] Initialized drm 1.1.0 20060810
[    4.801766] loop: module loaded
[    4.805047] libphy: Fixed MDIO Bus: probed
[    4.809131] tun: Universal TUN/TAP device driver, 1.6
[    4.814165] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[    4.820393] tg3.c:v3.128 (December 03, 2012)
[    4.824946] ACPI: PCI Interrupt Link [LNK2] enabled at IRQ 19
[    4.830684] IOAPIC[0]: Set routing entry (4-19 -> 0xa1 -> IRQ 19 Mode:1 Active:1 Dest:15)
[    4.845473] tg3 0000:02:00.0 eth0: Tigon3 [partno(BCM95722) rev a200] (PCI Express) MAC address 00:1d:09:17:b5:46
[    4.855873644] tg3 0000:02:00.0 eth0: dma_rwctrl[76180000] dma_mask[64-bit]
[    4.880600] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    4.887107] ehci_hcd: block sizes: qh 64 qtd 96 itd 160 sitd 96
[    4.893008] ehci-pci: EHCI PCI platform driver
[    4.897461] ehci-pci 0000:00:02.1: setting latency timer to 64
[    4.903275] ehci-pci 0000:00:02.1: EHCI Host Controller
[    4.908546] ehci-pci 0000:00:02.1: new USB bus registered, assigned bus number 1
[    4.915921] ehci-pci 0000:00:02.1: reset hcs_params 0x10148a dbg=1 cc=1 pcc=4 !ppc ports=10
[    4.924247] ehci-pci 0000:00:02.1: reset portroute 0 0 0 0 0 0 0 0 0 0 
[    4.930840] ehci-pci 0000:00:02.1: reset hcc_params a086 caching frame 256/512/1024 park
[    4.938913] ehci-pci 0000:00:02.1: park 0
[    4.942914] ehci-pci 0000:00:02.1: reset command 0080b32  park=3 ithresh=8 Async Periodic period=1024 Reset HALT
[    4.953054] ehci-pci 0000:00:02.1: debug port 1
[    4.957569] ehci-pci 0000:00:02.1: bogus port configuration: cc=1 x pcc=4 < ports=10
[    4.965289] ehci-pci 0000:00:02.1: cache line size of 64 is not supported
[    4.972053] ehci-pci 0000:00:02.1: supports USB remote wakeup
[    4.977797] ehci-pci 0000:00:02.1: irq 22, io mem 0xd0001000
[    4.983439] ehci-pci 0000:00:02.1: init command 0010005 (park)=0 ithresh=1 period=512 RUN
[    4.997243] ehci-pci 0000:00:02.1: USB 2.0 started, EHCI 1.00
[    5.002995] usb usb1: default language 0x0409
[    5.00734nux 3.7.0upstream-11627-g941108b ehci_hcd
[    5.038141] usb usb1: SerialNumber: 0000:00:02.1
[    5.042843] usb usb1: usb_probe_device
[    5.046584] usb usb1: configuration #1 chosen from 1 choice
[    5.052143] usb usb1: adding 1-0:1.0 (config #1, interface 0)
[    5.057927] hub 1-0:1.0: usb_probe_interface
[    5.062188] hub 1-0:1.0: usb_probe_interface - got id
[    5.067225] hub 1-0:1.0: USB hub found
[    5.070965] hub 1-0:1.0: 10 ports detected
[    5.075049] hub 1-0:1.0: standalone hub
[    5.078873] hub 1-0:1.0: no power switching (usb 1.0)
[    5.083908] hub 1-0:1.0: individual port over-current protection
[    5.089894] hub 1-0:1.0: power on to power good time: 20ms
[    5.095365] hub 1-0:1.0: local power source is good
[    5.100261] hub 1-0:1.0: trying to enable port power on non-switchable hub
[    5.107210] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    5.113370] ohci_hcd: block sizes: ed 64 td 64
[    5.117816] ohci_hcd 0000:00:02.0: setting latency timer to 64
[    5.123629] ohci_hcd 0000:00:02.0: OHCI Host Controller
[    5.128898] ohci_hcd 0000:00:02.0: new USB bus registered, assigned bus number 2
[    5.136278] ohci_hcd 0000:00:02.0: created debug files
[    5.141399] ohci_hcd 0000:00:02.0: supports USB remote wakeup
[    5.147142] ohci_hcd 0000:00:02.0: irq 23, io mem 0xd0000000
[    5.205097] ohci_hcd 0000:00:02.0: OHCI controller state
[    5.210394] ohci_hcd 0000:00:02.0: OHCI 1.0, NO legacy support r:00:02.0: intrstatus 0x00000004 SF
[    5.237034] ohci_hcd 0000:00:02.0: intrenable 0x8000004a MIE RHSC RD WDH
[    5.243719] ohci_hcd 0000:00:02.0: hcca frame #0029
[    5.248582] ohci_hcd 0000:00:02.0: roothub.a 0100020a POTPGT=1 NPS NDP=10(10)
[    5.255695] ohci_hcd 0000:00:02.0: roothub.b 00000000 PPCM=0000 DR=0000
[    5.262287] ohci_hcd 0000:00:02.0: roothub.status 00008000 DRWE
[    5.268192] ohci_hcd 0000:00:02.0: roothub.portstatus [0] 0x00000100 PPS
[    5.274876] ohci_hcd 0000:00:02.0: roothub.portstatus [1] 0x00000100 PPS
[    5.281559] ohci_hcd 0000:00:02.0: roothub.portstatus [2] 0x00000100 PPS
[    5.288243] ohci_hcd 0000:00:02.0: roothub.portstatus [3] 0x00000100 PPS
[    5.294926] ohci_hcd 0000:00:02.0: roothub.portstatus [4] 0x00000100 PPS
[    5.301609] ohci_hcd 0000:00:02.0: roothub.portstatus [5] 0x00000100 PPS
[    5.308294] ohci_hcd 0000:00:02.0: roothub.portstatus [6] 0x00000100 PPS
[    5.314980] ohci_hcd 0000:00:02.0: roothub.portstatus [7] 0x00000100 PPS
[    5.321662] ohci_hcd 0000:00:02.0: roothub.portstatus [8] 0x00000100 PPS
[    5.328345] ohci_hcd 0000:00:02.0: roothub.portstatus [9] 0x00000100 PPS
[    5.335033] usb usb2: default language 0x0409
[    5.339383] usb usb2: udev 1, busnum 2, minor = 128
[    5.344250] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
[    5.351019] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    5.358221] usb usb2: Product: OHCI Host Controller
[    5.363086] usb usb2: Manufacturer: Linux 3.7.0upstream-11627-g941108b ohci_hcd
[    5.370373] usb usb2: SerialNumber: 0000:00:02.0
[    5.375068] hub 1-0:1.0: state 7 ports 10 chg 0000 evt 0000
[    5.375132] usb usb2: usb_probe_device
[    5.375134] usb usb2: configuration #1 chosen from 1 choice
[    5.375138] usb usb2: adding 2-0:1.0 (config #1, interface 0)
[    5.375194] hub 2-0:1.0: usb_probe_interface
[    5.375195] hub 2-0:1.0: usb_probe_interface - got id
[    5.375197] hub 2-0:1.0: USB hub found
[    5.375204] hub 2-0:1.0: 10 ports detected
[    5.375205] hub 2-0:1.0: standalone hub
[    5.375206] hub 2-0:1.0: no power switching (usb 1.0)
[    5.375207] hub 2-0:1.0: global over-current protection
[    5.375208] hub 2-0:1.0: power on to power good time: 2ms
[    5.375212] hub 2-0:1.0: local power source is good
[    5.375213] hub 2-0:1.0: no over-current condition exists
[    5.375245] hub 2-0:1.0: trying to enable port power on non-switchable hub
[    5.375289] ehci-pci 0000:00:02.1: HS companion for 0000:00:02.0
[    5.375343] uhci_hcd: USB Universal Host Controller Interface driver
[    5.461570] usbcore: registered new interface driver usblp
[    5.467234] i8042: PNP: No PS/2 controller found. Probing ports directly.
[    5.475730] hub 2-0:1.0: state 7 ports 10 chg 0000 evt 0000
[    5.520848] tsc: Refined TSC clocksource calibration: 2109.722 MHz
[    5.527012] Switching to clocksource tsc
[    5.724995] serio: i8042 KBD port at 0x60,0x64 irq 1
[    5.730080] mousedev: PS/2 mouse device common for all mice
[    5.  5.753485] cpuidle: using governor ladder
[    5.757583] cpuidle: using governor menu
[    5.761491] EFI Variables Facility v0.08 2004-May-17
[    5.766487] zram: num_devices not specified. Using default: 1
[    5.772214] zram: Creating 1 devices ...
[    5.776294] zcache: using lzo compressor
[    5.780306] zcache: cleancache enabled using kernel transcendent memory and compression buddies
[    5.788971] zcache: frontswap enabled using kernel transcendent memory and zsmalloc
[    5.796805] Netfilter messages via NETLINK v0.30.
[    5.801508] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
[    5.807666] ctnetlink v0.93: registering with nfnetlink.
[    5.813249] ip_tables: (C) 2000-2006 Netfilter Core Team
[    5.818602] TCP: cubic registered
[    5.821904] Initializing XFRM netlink socket
[    5.826216] NET: Registered protocol family 10
[    5.830850] ip6_tables: (C) 2000-2006 Netfilter Core Team
[    5.836469] sit: IPv6 over IPv4 tunneling driver
[    5.841292] NET: Registered protocol family 17
[    5.845761] Key type dns_resolver registered
[    5.850436] 
[    5.850436] printing PIC contents
[    5.855212] ... PIC  IMR: ffff
[    5.858258] ... PIC  IRR: 0800
[    5.861306] ... PIC  ISR: 0000
[    5.864351] ... PIC ELCR: 0c00
[    5.867400] printing local APIC contents on CPU#0/0:
[    5.872345] ... APIC ID:      00000000 (0)
[    5.876421] ... APIC VERSION: 80050010
[    5.880151] ... APIC TASKPRI: 00000000 (00)
[    5.884314] ... APIC ARBPRI: 00000000 (00)
[    5.888390] ... APIC PROCPRI: 00000000
[    5.892121] ... APIC LDR: 01000000
[    5.895504] ... APIC DFR: ffffffff
[    5.898888] ... APIC SPIV: 000001ff
[    5.902359] ... APIC ISR field:
[    5.905485] 0000000000000000000000000000000000000000000000000000000000000000
[    5.912560] ... APIC TMR field:
[    5.915686] 0000000000000000000000000000000000000000000000000000000000000000
[    5.922759] ... APIC IRR field:
[    5.925884] 0000000000000000000000000000000000000000000000000000000000000000
[    5.932960] ... APIC ESR: 00000000
[    5.936344] ... APIC ICR: 000008fd
[    5.939725] ... APIC ICR2: 08000000
[    5.943199] ... APIC LVTT: 000000ef
[    5.946665] ... APIC LVTPC: 00000400
[    5.950225] ... APIC LVT0: 00010700
[    5.953693] ... APIC LVT1: 00000400
[    5.957166] ... APIC LVTERR: 000000fe
[    5.960807] ... APIC TMICT: 0021c6bf
[    5.964366] ... APIC TMCCT: 000be686
[    5.967922] ... APIC TDCR: 00000003
[    5.971390] ... APIC EFEAT: 00040007
[    5.974949] ... APIC ECTRL: 00000000
[    5.978504] ... APIC EILVT0: 000000f9
[    5.982144] ... APIC EILVT1: 00010000
[    5.985785] ... APIC EILVT2: 00010000
[    5.989429] ... APIC EILVT3: 00010000
[    5.993075] 
[    5.994558] number of MP IRQ sources: 15.
[    5.998555] number of IO-APIC #4 registers: 24.
[    6.003068] testing the IO APIC.......................
[    6.008191] IO APIC #4......
[    6.011062] .... register #00: 04000000
[    6.014883] .......    : physical APIC id: 04
[    6.019224] .......    : Delivery Type: 0
[    6.023219] .......    : LTS          : 0
[    6.027214] .... register #01: 00170011
[    6.031035] .......     : max redirection entries: 17
[    6.036068] .......     : PRQ implemented: 0
[    6.040322] .......     : IO APIC version: 11
[    6.044663] .... register #02: 04000000
[    6.048485] .......     : arbitration: 04
[    6.052480] .... IRQ redirection table:
[    6.056302]  NR Dst Mask Trig IRR Pol Stat Dmod Deli Vect:
[    6.061768]  00 00  1    0    0   0   0    0    0    00
[    6.066993]  01 0F  0    0    0   0   0    1    1    31
[    6.072217]  02 0F  0    0    0   0   0    1    1    30
[    6.077435]  03 0F  0    0    0   0   0    1    1    33
[    6.082660]  04 0F  0    0    0   0   0    1    1    34
[    6.087884]  05 0F  0    0    0   0   0    1    1    35
[    6.093110]  06 0F  0    0    0   0   0    1    1    36
[    6.098334]  07 0F  1    0    0   0   0    1    1    37
[    6.103557]  08 0F  0    0    0   0   0    1    1    38
[    6.108781]  09 0F  0    1    0   1   0    1    1    39
[    6.114004]  0a 0F  0    0    0   0   0    1    1    3A
[    6.119225]  0b 0F  1    0    0   0   0    1    1    3B
[    6.124447]  0c 0F  1    0    0   0   0    1    1    3C
[    6.129671]  0d 0F  0    0    0   0   0    1    1    3D
[    6.134894]  0e 0F  0    0    0   0   0    1    1    3E
[    6.140118]  0f 0F  0    0    0   0   0    1    1    3F
[    6.145341]  10 00  1    0    0   0   0    0    0    00
[    6.150569]  11 00  1    0    0   0   0    0    0    00
[    6.155792]  12 00  1    0    0   0   0    0    0    00
[    6.161017]  13 0F  1    1    0   1   0    1    1    A1
[    6.166239]  14 00  1    0    0   0   0    0    0    00
[    6.171462]  15 00  1    0    0   0   0    0    0    00
[    6.176686]  16 0F  0    1    0   1   0    1    1    51
[    6.181910]  17 0F  0    1    0   1   0    1    1    41
[    6.187131] IRQ to pin mappings:
[    6.190344] IRQ0 -> 0:2
[    6.192809] IRQ1 -> 0:1
[    6.195267] IRQ3 -> 0:3
[    6.197733] IRQ4 -> 0:4
[    6.200196] IRQ5 -> 0:5
[    6.202661] IRQ6 -> 0:6
[    6.205124] IRQ7 -> 0:7
[    6.207583] IRQ8 -> 0:8
[    6.210046] IRQ9 -> 0:9
[    6.212511] IRQ10 -> 0:10
[    6.215149] IRQ11 -> 0:11
[    6.217783] IRQ12 -> 0:12
[    6.220423] IRQ13 -> 0:13
[    6.223061] IRQ14 -> 0:14
[    6.225700] IRQ15 -> 0:15
[    6.228333] IRQ19 -> 0:19
[    6.230966] IRQ22 -> 0:22
[    6.233606] IRQ23 -> 0:23
[    6.236247] .................................... done.
[    6.241366] Using IPI No-Shortcut mode
[    6.245254] PM: Hibernation image not present or could not be loaded.
[    6.251684] registered taskstats version 1
[    6.256348]   Magic number: 8:296:709
[    6.260459] Freeing unused kernel memory: 536k freed
[    6.265691] Write protecting the kernel text: 5692k
[    6.270601] Write protecting the kernel read-only data: 1544k
[    6.276329] NX-protecting the kernel data: 2500k
init started: BusyBox v1.14.3 ([    6.284176] consoletype (1194) used greatest stack depth: 6864 bytes left
2012-12-20 18:37:31 EST)
Mounting directories  [  OK  ]
[    6.443774] mv (1208) used greatest stack depth: 6556 bytes left
mount: mount point /proc/bus/usb does not exist
mount: moufig does not exist
^G^G^G^G^G^G[    6.475107] udevd (1230): /proc/1230/oom_adj is deprecated, please use /proc/1230/oom_score_adj instead.
cat: /sys/hypervisor/type: No such file or directory
/usr/bin/load_xen_modules: line 3: [: ==: unary operator expected
^G^G^G^[    6.495147] modprobe (1316) used greatest stack depth: 6400 bytes left
G^G^G^G^G^G^G^G^G[    6.509545] SCSI subsystem initialized
[    6.524091] ACPI: bus type scsi registered
[    6.528236] [drm] radeon defaulting to kernel modesetting.
[    6.528461] ude6.551293] kvm: Nested Virtualization enabled
[    6.551583] ACPI: PCI Interrupt Link [LNK1] enabled at IRQ 18
[    6.551595] IOAPIC[0]: Set routing entry (4-18 -> 0xb1 -> IRQ 18 Mode:1 Active:1 Dest:15)
[    6.563921] udevd (1256) used greatest stack depth: 6092 bytes left
[    6.565185] [drm] initializing kernel modesetting (RV100 0x1002:0x515E 0x1028:0x0225).
[    6.565207] [drm] register mmio base: 0xD0100000
: error opening [    6.565208] [drm] register mmio size: 65536
[    6.565321] radeon 0000:01:08.0: VRAM: 128M 0x00000000D8000000 - 0x00000000DFFFFFFF (32M used)
[    6.565324] radeon 0000:01:08.0: GTT: 512M 0x00000000B8000000 - 0x00000000D7FFFFFF
[    6.565330] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
ATTR{/sys/device[    6.565330] [drm] Driver supports precise vblank timestamp query.
[    6.565353] [drm] radeon: irq initialized.
s/system/cpu/cpu0/online} for wr[    6.629374] kvm: Nested Paging enabled
iting: No such f[    6.634983] libata version 3.00 loaded.
ile or directory[    6.642066] [drm] Detected VRAM RAM=128M, BAR=128M


^G^G^G^G^G^[    6.648108] [drm] RAM width 16bits DDR
G^G^G^G^G^G^G^G^[    6.653292] sata_nv 0000:00:07.0: version 3.5
[    6.653330] [TTM] Zone  kernel: Available graphics memory: 432294 kiB
[    6.653331] [TTM] Zone highmem: Available graphics memory: 2072170 kiB
G^G^G^G^G^G^G^G^[    6.653332] [TTM] Initializing pool allocator
[    6.653337] [TTM] Initializing DMA pool allocator
G^G^G^G^G^G^G^G^[    6.653366] [drm] radeon: 32M of VRAM memory ready
[    6.653367] [drm] radeon: 512M of GTT memory ready.
[    6.653385] [drm] GART: num cpu pages 131072, num gpu pages 131072
[    6.682641] [drm] PCI GART of 512M enabled (table at 0x0000000036E80000).
[    6.682670] radeon 0000:01:08.0: WB disabled
[    6.682674] radeon 0000:01:08.0: fence driver on ring 0 use gpu addr 0x00000000b8000000 and cpu addr 0xf7440000
[    6.683676] [drm] Loading R100 Microcode
[    6.683994] [drm] radeon: ring at 0x00000000B8001000
G^G^G^G^G^G^G[    6.684017] [drm] ring test succeeded in 1 usecs
[    6.684180] [drm] ib test succeeded in 0 usecs
[    6.739816] ACPI: PCI Interrupt Link [LTID] enabled at IRQ 21
[    6.740942] [drm] Radeon Display Connectors
[    6.740943] [drm] Connector 0:
[    6.740944] [drm]   VGA-1
[    6.740946] [drm]   DDC: 0x60 0x60 0x60 0x60 0x60 0x60 0x60 0x60
[    6.740947] [drm]   Encoders:
[    6.740947] [drm]     CRT1: INTERNAL_DAC1
Waiting for devi[    6.768261] IOAPIC[0]: Set routing entry (4-21 -> 0xc1 -> IRQ 21 Mode:1 Active:1 Dest:15)
ces [    6.768310] sata_nv 0000:00:07.0: setting latency timer to 64
[    6.768701] scsi0 : sata_nv
[[    6.777995] scsi1 : sata_nv
[    6.778174] ata1: SATA max UDMA/133 cmd 0x20f0 ctl 0x20e0 bmdma 0x20b0 irq 21
[    6.778175] ata2: SATA max UDMA/133 cmd 0x20d0 ctl 0x20c0 bmdma 0x20b8 irq 21
  OK  [    6.778505] ACPI: PCI Interrupt Link [LSI1] enabled at IRQ 20
[    6.778512] IOAPIC[0]: Set routing entry (4-20 -> 0xd1 -> IRQ 20 Mode:1 Active:1 Dest:15)
[    6.778547] sata_nv 0000:00:08.0: setting latency timer to 64
][    6.778911] scsi2 : sata_nv
[    6.779104] scsi3 : sata_nv
[    6.779278] ata3: SATA max UDMA/133 cmd 0x2440 ctl 0x2430 bmdma 0x2400 irq 20
[    6.779279] ata4: SATA max UDMA/133 cmd 0x2420 ctl 0x2410 bmdma 0x2408 irq 20
[    6.782315] radeon 0000:01:08.0: No connectors reported connected with modes
[    6.782318] [drm] Cannot find any crtc or sizes - going 1024x768
[    6.792549] [drm] fb mappable at 0xD8040000

[    6.792550] [drm] vram apper at 0xD8000000
[    6.792551] [drm] size 786432
[    6.792551] [drm] fb depth is 8
[    6.792552] [drm]    pitch is 1024
[    6.792796] fbcon: radeondrmfb (fb0) is primary device
[    6.810969] ip (2424) used greatest stack depth: 5816 bytes left
[    6.894537] Console: switching to colour frame buffer device 128x48
[    6.908176] radeon 0000:01:08.0: fb0: radeondrmfb frame buffer device
[    6.908178] radeon 0000:01:08.0: registered panic notifier
[    6.908185] [drm] Initialized radeon 2.27.0 20080528 for 0000:01:08.0 on minor 0
[    7.231552] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[    7.237750] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[    7.246717] ata3.00: ATAPI: HL-DT-STDVD-ROM GDRH20N, 0D04, max UDMA/100
[    7.253710] ata1.00: ATA-7: WDC WD800AAJS-18TDA1, 01.00A04, max UDMA/133
[    7.258769] ata3.00: configured for UDMA/100
[    7.264639] ata1.00: 156250000 sectors, multi 0: LBA48 NCQ (depth 0/32)
[    7.271417] ata1.00: failed to get Identify Device Data, Emask 0x1
[    7.281006] ata1.00: failed to get Identify Device Data, Emask 0x1
[    7.287167] ata1.00: configured for UDMA/133
[    7.291578] scsi 0:0:0:0: Direct-Access     ATA      WDC WD800AAJS-18 01.0 PQ: 0 ANSI: 5
[    7.300087] ACPI: Invalid Power Resource to register!
[    7.607238] ata2: SATA link down (SStatus 0 SControl 300)
[    7.614229] scsi 2:0:0:0: CD-ROM            HL-DT-ST DVD-ROM GDG^G^G^G^G^G^G^G[    7.929991] ata4: SATA link down (SStatus 0 SControl 300)
[    7.935701] modprobe (1369) used greatest stack depth: 5796 bytes left
[    7.942216] modprobe (1377) used greatest stack depth: 5564 bytes left
[    7.948996] sd 0:0:0:0: [sda] 156250000 512-byte logical blocks: (80.0 GB/74.5 GiB)
[    7.956760] sd 0:0:0:0: [sda] Write Protect is off
[    7.958305] sr0: scsi3-mmc drive: 48x/48x cd/rw xa/form2 cdda tray
[    7.958307] cdrom: Uniform CD-ROM driver Revision: 3.20
[    7.958553] sr 2:0:0:0: Attached scsi CD-ROM sr0
[    7.977494] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[    7.982573] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    7.999372]  sda: sda1 sda2
[    8.002509] sd 0:0:0:0: [sda] Attached SCSI disk
[    8.009181] sd 0:0:0:0: Attached scsi ge^G^G^GWaiting for fb [  OK  ]
Waiting for network [  OK  ]
Bringing up loopback interface:  [  OK  ]
Bringing up interface eth0:  [    8.282485] tg3 0000:02:00.0: irq 44 for MSI/MSI-X
[    8.330727] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[    8.336646] ip (2630) used greatest stack depth: 5460 byte
^G^G^G^G^G^G^G^G^G^GBringing up interface switch:  
Determining IP information for s[    8.385903] IPv6: ADDRCONF(NETDEV_UP): switch: link is not ready
witch...[   11.057566] tg3 0000:02:00.0 eth0: Link is up at 1000 Mbps, full duplex
[   11.064158] tg3 0000:02:00.0 eth0: Flow control i TX and on for RX
[   11.071035] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   11.077315] switch: port 1(eth0) entered forwarding state
[   11.082698] switch: port 1(eth0) entered forwarding state
^G^G[   11.088137] IPv6: ADDRCONF(NETDEV_CHANGE): switch: link becomes ready
 done.
[  OK  ]
Waiting for init.custom [  OK  ]

Starting SSHd ...

    SSH started [2813]


Waiting for SSHd [  OK  ]
WARNING: ssh currently running [2813] ignoring start request
FATAL: Module dump_dma not found.
ERROR: Module dump_dma does not exist in /proc/modules
[   12.609475] Loading iSCSI transport class v2.0-870.
[   12.616706] iscsi: registered transport (tcp)
Could not read fw values.
Dec 21 00:43:18 tst001 syslogd 1.5.0: restart.
You might have to do kill -1 1 if you see 'can't open /dev/hvc0'
[0:0:0:0]    disk    ATA      WDC WD800AAJS-18 01.0  /dev/sda 
[2:0:0:0]    cd/dvd  HL-DT-ST DVD-ROM GDRH20N  0D04  /dev/sr0 
00:00.0 Memory controller: nVidia Corporation CK804 Memory Controller (rev a4)
00:01.0 ISA bridge: nVidia Corporation CK804 ISA Bridge (rev f1)
00:01.1 SMBus: nVidia Corporation CK804 SMBus (rev a2)
00:02.0 USB Controller: nVidia Corporation CK804 USB Controller (rev a2)
00:02.1 USB Controller: nVidia Corporation CK804 USB Controller (rev a4)
00:07.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev f3)
00:08.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller (rev f3)
00:09.0 PCI bridge: nVidia Corporation CK804 PCI Bridge (rev f2)
00:0b.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev f3)
00:0c.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev f3)
00:0d.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev f3)
00:0e.0 PCI bridge: nVidia Corporation CK804 PCIE Bridge (rev a3)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] HyperTransport Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] Miscellaneous Control
00:18.4 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] Link Control
01:08.0 VGA compatible controller: ATI Technologies Inc ES1000 (rev 02)
02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5722 Gigabit Ethernet PCI Express
           CPU0       CPU1       CPU2       CPU3       
  0:        179          0          0          0   IO-APIC-edge      timer
  1:          1          0          2          0   IO-APIC-edge      i8042
  4:          0          0          7        166   IO-APIC-edge      serial
  7:          1          0          0          0   IO-APIC-edge    
  8:          0          0          4          4   IO-APIC-edge      rtc0
  9:          0          0          0          0   IO-APIC-fasteoi   acpi
 18:          0          0          0          2   IO-APIC-fasteoi   radeon
 20:          0          0          2        103   IO-APIC-fasteoi   sata_nv
 21:          0          0          0          6   IO-APIC-fasteoi   sata_nv
 22:          0          0          0          0   IO-APIC-fasteoi   ehci_hcd:usb1
 23:          0          0          0          0   IO-APIC-fasteoi   ohci_hcd:usb2
 44:          0          0          0         66   PCI-MSI-edge      eth0
NMI:          0          0          0          0   Non-maskable interrupts
LOC:       3509       3294       2795       4702   Local timer interrupts
SPU:          0          0          0          0   Spurious interrupts
PMI:          0          0          0          0   Performance monitoring interrupts
IWI:          0          0          0          0   IRQ work interrupts
RTR:          0          0          0          0   APIC ICR read retries
RES:       4729       2929       1867       2326   Rescheduling interrupts
CAL:        245        224        223        195   Function call interrupts
TLB:        237        206        193        225   TLB shootdowns
TRM:          0          0          0          0   Thermal event interrupts
THR:          0          0          0          0   Threshold APIC interrupts
MCE:          0          0          0          0   Machine check exceptions
MCP:          1          1          1          1   Machine check polls
ERR:          1
MIS:          0
00000000-0000ffff : reserved
00010000-0009d7ff : System RAM
0009d800-0009ffff : reserved
000a0000-000bffff : PCI Bus 0000:00
  000a0000-000bffff : Video RAM area
000c0000-000c8fff : Video ROM
000c9000-000cadff : Adapter ROM
000cc000-000fffff : reserved
  000f0000-000fffff : System ROM
00100000-7ffeffff : System RAM
  01000000-0158eebc : Kernel code
  0158eebd-0176a17f : Kernel data
  017f7000-018a0fff : Kernel bss
7fff0000-7fffffff : reserved
80000000-cfeeffff : System RAM
cfef0000-cfef4fff : ACPI Tables
cfef5000-cff7efff : ACPI Non-vola[   13.075809] mount.nfs (2904) used greatest stack depth: 5424 bytes left
tile Storage
cff7f000-cff7ffff : RAM buffer
cff80000-cfffffff : reserved
d0000000-febfffff : PCI Bus 0000:00
  d0000000-d0000fff : 0000:00:02.0
    d0000000-d0000fff : ohci_hcd
  d0001000-d00010ff : 0000:00:02.1
    d0001000-d00010ff : ehci_hcd
  d0002000-d0002fff : 0000:00:07.0
    d0002000-d0002fff : sata_nv
  d0003000-d0003fff : 0000:00:08.0
    d0003000-d0003fff : sata_nv
  d0100000-d01fffff : PCI Bus 0000:01
    d0100000-d010ffff : 0000:01:08.0
    d0120000-d013ffff : 0000:01:08.0
  d0200000-d02fffff : PCI Bus 0000:02
    d0200000-d020ffff : 0000:02:00.0
      d0200000-d020ffff : tg3
  d8000000-dfffffff : PCI Bus 0000:01
    d8000000-dfffffff : 0000:01:08.0
  e0000000-efffffff : reserved
    e0000000-efffffff : pnp 00:01
      e0000000-e04fffff : PCI MMCONFIG 0000 [bus 00-04]
fec00000-fec0ffff : reserved
  fec00000-fec003ff : IOAPIC 0
fed00000-fed00fff : pnp 00:00
  fed00000-fed003ff : HPET 0
fed40000-fed8ffff : PCI Bus 0000:00
fee00000-fee00fff : Local APIC
  fee00000-fee00fff : reserved
fff80000-ffffffff : reserved
100000000-12fffffff : System RAM
MemTotal:        4144340 kB
MemFree:         3866732 kB
Buffers:               0 kB
Cached:           245684 kB
SwapCached:            0 kB
Active:            18492 kB
Inactive:         228496 kB
Active(anon):      11716 kB
Inactive(anon):    94500 kB
Active(file):       6776 kB
Inactive(file):   133996 kB
Unevictable:        2664 kB
Mlocked:            2664 kB
HighTotal:       3279752 kB
HighFree:        3024832 kB
LowTotal:         864588 kB
LowFree:          841900 kB
SwapTotal:             0 kB
SwapFree:              0 kB
Dirty:                 0 kB
Writeback:             0 kB
AnonPages:          3476 kB
Mapped:             3312 kB
Shmem:            103284 kB
Slab:              15792 kB
SReclaimable:       7324 kB
SUnreclaim:         8468 kB
KernelStack:         616 kB
PageTables:          460 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     2072168 kB
Committed_AS:     110752 kB
Vmalloc[   13.263814] device-mapper: ioctl: 4.23.0-ioctl (2012-07-25) initialised: dm-devel@redhat.com
Total:     12288[   13.273700] device-mapper: multipath: version 1.5.0 loaded
0 kB
VmallocUsed:        6792 kB
VmallocChunk:     114440 kB
AnonHugePages:         0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        8184 kB
DirectMap2M:      905216 kB
Waiting for init.late [  OK  ]
PING build.dumpdata.com (192.168.101.3) 56(84) bytes of data.

--- build.dumpdata.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 1ms
rtt min/avg/max/mdev = 0.483/0.483/0.483/0.000 ms
NFS done
libxl: error: libxl.c:56:libxl_ctx_init Is xenstore daemon running?
failed to stat /var/run/xenstored.pid: No such file or directory
cannot init xl context
192.168.101.2:3260,1 iqn.2003-01.org.linux-iscsi.target:sn.726f464255f7b1dc47c8131b3471abeb
Logging in to [iface: default, target: iqn.2003-01.org.linux-iscsi.target:sn.726f464255f7b1dc47c8131b3471abeb, portal: 192.168.101.2,3260]
[   13.537353] scsi4 : iSCSI Initiator over TCP/IP
Dec 21 00:43:19 tst001 iscsid: transport class version 2.0-870. iscsid version 2.0-870
Dec 21 00:43:19 tst001 iscsid: iSCSI da^G[   13.793957] scsi 4:0:0:0: Direct-Access     LIO-ORG  IBLOCK           4.0  PQ: 0 ANSI: 5
[   13.802486] sd 4:0:0:0: Attached:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[   13.821241]  sdb: unknown partition table
[   13.824235] sd 4:0:0:0: [sdb] Attached SCSI disk
[   13.843001] ttyS0: 1 input overrun(s)
^GLogin to [iface: default, target: iqn.2003-01.org.linux-iscsi.target:sn.726f464255f7b1dc47c8131b3471abeb, portal: 192.168.101.2,3260]: successful
^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^G^GDec 21 00:43:20 tst001 iscsid: connection1:0 is operational now

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Konrad Rzeszutek Wilk]

On Sat, Dec 22, 2012 at 02:38:29AM -0800, Yinghai Lu wrote:
> On Fri, Dec 21, 2012 at 6:42 PM, Konrad Rzeszutek Wilk
> <konrad.wilk@oracle.com> wrote:
> > On Mon, Dec 17, 2012 at 11:15:32PM -0800, Yinghai Lu wrote:
> >> Now we have limit kdump reseved under 896M, because kexec has the limitation.
> >> and also bzImage need to stay under 4g.
> >>
> >> To make kexec/kdump could use range above 4g, we need to make bzImage and
> >> ramdisk could be loaded above 4g.
> >> During booting bzImage will be unpacked on same postion and stay high.
> >>
> >> The patches add fields in setup_header and boot_params to
> >> 1. get info about ramdisk position info above 4g from bootloader/kexec
> >> 2. get info about cmd_line_ptr info above 4g from bootloader/kexec
> >> 3. set xloadflags bit0 in header for bzImage and bootloader/kexec load
> >>    could check that to decide if it could to put bzImage high.
> >> 4. use sentinel to make sure ext_* fields in boot_params could be used.
> >>
> >> This patches is tested with kexec tools with local changes and they are sent
> >> to kexec list later.
> >>
> >> could be found at:
> >>
> >>         git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-x86-boot
> >
> > Did a light test and it looks to work under Xen - thought I had not tested
> > any various configuration of memory layouts.
> >
> > More worryingly it blew up under native under an Dell T105 AMD box with 4GB of memory.
> > I can't get it even to print anything on the serial log:
> 
> can you try that branch again ? update the #PF handler to clean
> init_level4_pgt in all case.
> 
> I did not consider when you are xen enabled kernel on bare metal.
> 
> aka need to add
>           clear_page(init_level4_pgt);
> 
> in init_mapping_kernel() of head_64.S

Same thing:
commit 3ca4440d5c14ec154d08cd7b1c5878d153a55a9a
Author: Yinghai Lu <yinghai@kernel.org>
Date:   Sat Dec 22 02:30:16 2012 -0800

    x86, 64bit, mm: Mark data/bss/brk to nx
    
    HPA said, we should not have RW and +x set at the time.
    

...

SERIAL 0 115200
TIMEOUT 5
DEFAULT BAREMETAL

LABEL BAREMETAL
   KERNEL vmlinuz
   APPEND initrd=initramfs.cpio.gz earlyprintk=ttyS0,115200n8  selinux=0  loglevel=10 debug



3.82 2009-06-09  Copyright (C) 1994-2009 H. Peter Anvin et al
Loading vmlinuz.......................................................................
Loading initramfs.cpio.gz...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ready.
Probing EDD (edd=off to disable)... ok
early console in decompress_kernel

Decompressing Linux... Parsing ELF... done.
Booting the kernel.

> 
> Thanks
> 
> Yinghai

Anyhow, I am off for the remainder of the year - but I see this issue on all
of the AMD machines I test with - so I presume if you get your hands on any
AMD box you should be able to reproduce this.

Also attaching the .config in case that sheds some light on this.

#
# Automatically generated file; DO NOT EDIT.
# Linux/x86_64 3.8.0-rc1 Kernel Configuration
#
CONFIG_64BIT=y
CONFIG_X86_64=y
CONFIG_X86=y
CONFIG_INSTRUCTION_DECODER=y
CONFIG_OUTPUT_FORMAT="elf64-x86-64"
CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig"
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_HAVE_LATENCYTOP_SUPPORT=y
CONFIG_MMU=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_SG_DMA_LENGTH=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_ARCH_HAS_CPU_RELAX=y
CONFIG_ARCH_HAS_DEFAULT_IDLE=y
CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
CONFIG_ARCH_HAS_CPU_AUTOPROBE=y
CONFIG_HAVE_SETUP_PER_CPU_AREA=y
CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK=y
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_ZONE_DMA32=y
CONFIG_AUDIT_ARCH=y
CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_HAVE_INTEL_TXT=y
CONFIG_X86_64_SMP=y
CONFIG_X86_HT=y
CONFIG_ARCH_HWEIGHT_CFLAGS="-fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11"
CONFIG_ARCH_CPU_PROBE_RELEASE=y
CONFIG_ARCH_SUPPORTS_UPROBES=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
CONFIG_HAVE_IRQ_WORK=y
CONFIG_IRQ_WORK=y
CONFIG_BUILDTIME_EXTABLE_SORT=y

#
# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_INIT_ENV_ARG_LIMIT=32
CONFIG_CROSS_COMPILE=""
CONFIG_LOCALVERSION="upstream"
CONFIG_LOCALVERSION_AUTO=y
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_BZIP2=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_XZ=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_BZIP2 is not set
# CONFIG_KERNEL_LZMA is not set
# CONFIG_KERNEL_XZ is not set
# CONFIG_KERNEL_LZO is not set
CONFIG_DEFAULT_HOSTNAME="(none)"
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
CONFIG_POSIX_MQUEUE=y
CONFIG_POSIX_MQUEUE_SYSCTL=y
# CONFIG_FHANDLE is not set
CONFIG_AUDIT=y
CONFIG_AUDITSYSCALL=y
CONFIG_AUDIT_WATCH=y
CONFIG_AUDIT_TREE=y
# CONFIG_AUDIT_LOGINUID_IMMUTABLE is not set
CONFIG_HAVE_GENERIC_HARDIRQS=y

#
# IRQ subsystem
#
CONFIG_GENERIC_HARDIRQS=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_PENDING_IRQ=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_SPARSE_IRQ=y
CONFIG_CLOCKSOURCE_WATCHDOG=y
CONFIG_ARCH_CLOCKSOURCE_DATA=y
CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y
CONFIG_GENERIC_CMOS_UPDATE=y

#
# Timers subsystem
#
CONFIG_TICK_ONESHOT=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y

#
# CPU/Task time and stats accounting
#
# CONFIG_TICK_CPU_ACCOUNTING is not set
CONFIG_IRQ_TIME_ACCOUNTING=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
CONFIG_TASKSTATS=y
CONFIG_TASK_DELAY_ACCT=y
CONFIG_TASK_XACCT=y
CONFIG_TASK_IO_ACCOUNTING=y

#
# RCU Subsystem
#
CONFIG_TREE_RCU=y
# CONFIG_PREEMPT_RCU is not set
# CONFIG_RCU_USER_QS is not set
CONFIG_RCU_FANOUT=64
CONFIG_RCU_FANOUT_LEAF=16
# CONFIG_RCU_FANOUT_EXACT is not set
# CONFIG_RCU_FAST_NO_HZ is not set
# CONFIG_TREE_RCU_TRACE is not set
# CONFIG_RCU_NOCB_CPU is not set
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=18
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y
CONFIG_ARCH_WANTS_PROT_NUMA_PROT_NONE=y
# CONFIG_NUMA_BALANCING is not set
CONFIG_CGROUPS=y
# CONFIG_CGROUP_DEBUG is not set
CONFIG_CGROUP_FREEZER=y
# CONFIG_CGROUP_DEVICE is not set
CONFIG_CPUSETS=y
CONFIG_PROC_PID_CPUSET=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_RESOURCE_COUNTERS=y
# CONFIG_MEMCG is not set
# CONFIG_CGROUP_HUGETLB is not set
# CONFIG_CGROUP_PERF is not set
CONFIG_CGROUP_SCHED=y
CONFIG_FAIR_GROUP_SCHED=y
# CONFIG_CFS_BANDWIDTH is not set
CONFIG_RT_GROUP_SCHED=y
# CONFIG_BLK_CGROUP is not set
# CONFIG_CHECKPOINT_RESTORE is not set
CONFIG_NAMESPACES=y
CONFIG_UTS_NS=y
CONFIG_IPC_NS=y
CONFIG_PID_NS=y
CONFIG_NET_NS=y
CONFIG_SCHED_AUTOGROUP=y
CONFIG_SYSFS_DEPRECATED=y
# CONFIG_SYSFS_DEPRECATED_V2 is not set
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_ROOT_UID=0
CONFIG_INITRAMFS_ROOT_GID=0
CONFIG_RD_GZIP=y
CONFIG_RD_BZIP2=y
CONFIG_RD_LZMA=y
CONFIG_RD_XZ=y
CONFIG_RD_LZO=y
# CONFIG_INITRAMFS_COMPRESSION_NONE is not set
CONFIG_INITRAMFS_COMPRESSION_GZIP=y
# CONFIG_INITRAMFS_COMPRESSION_BZIP2 is not set
# CONFIG_INITRAMFS_COMPRESSION_LZMA is not set
# CONFIG_INITRAMFS_COMPRESSION_XZ is not set
# CONFIG_INITRAMFS_COMPRESSION_LZO is not set
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_SYSCTL=y
CONFIG_ANON_INODES=y
# CONFIG_EXPERT is not set
CONFIG_HAVE_UID16=y
CONFIG_UID16=y
# CONFIG_SYSCTL_SYSCALL is not set
CONFIG_SYSCTL_EXCEPTION_TRACE=y
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
CONFIG_HOTPLUG=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_PCSPKR_PLATFORM=y
CONFIG_HAVE_PCSPKR_PLATFORM=y
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
# CONFIG_EMBEDDED is not set
CONFIG_HAVE_PERF_EVENTS=y

#
# Kernel Performance Events And Counters
#
CONFIG_PERF_EVENTS=y
# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_PCI_QUIRKS=y
# CONFIG_COMPAT_BRK is not set
CONFIG_SLAB=y
# CONFIG_SLUB is not set
CONFIG_PROFILING=y
CONFIG_TRACEPOINTS=y
CONFIG_OPROFILE=m
# CONFIG_OPROFILE_EVENT_MULTIPLEX is not set
CONFIG_HAVE_OPROFILE=y
CONFIG_OPROFILE_NMI_TIMER=y
CONFIG_KPROBES=y
CONFIG_JUMP_LABEL=y
CONFIG_OPTPROBES=y
CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
CONFIG_KRETPROBES=y
CONFIG_USER_RETURN_NOTIFIER=y
CONFIG_HAVE_IOREMAP_PROT=y
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_OPTPROBES=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DMA_ATTRS=y
CONFIG_USE_GENERIC_SMP_HELPERS=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_DMA_API_DEBUG=y
CONFIG_HAVE_HW_BREAKPOINT=y
CONFIG_HAVE_MIXED_BREAKPOINTS_REGS=y
CONFIG_HAVE_USER_RETURN_NOTIFIER=y
CONFIG_HAVE_PERF_EVENTS_NMI=y
CONFIG_HAVE_PERF_REGS=y
CONFIG_HAVE_PERF_USER_STACK_DUMP=y
CONFIG_HAVE_ARCH_JUMP_LABEL=y
CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y
CONFIG_HAVE_CMPXCHG_LOCAL=y
CONFIG_HAVE_CMPXCHG_DOUBLE=y
CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION=y
CONFIG_ARCH_WANT_OLD_COMPAT_IPC=y
CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
CONFIG_SECCOMP_FILTER=y
CONFIG_HAVE_CONTEXT_TRACKING=y
CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y
CONFIG_MODULES_USE_ELF_RELA=y
CONFIG_GENERIC_SIGALTSTACK=y

#
# GCOV-based kernel profiling
#
# CONFIG_GCOV_KERNEL is not set
# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
# CONFIG_MODULE_FORCE_LOAD is not set
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
# CONFIG_MODVERSIONS is not set
# CONFIG_MODULE_SRCVERSION_ALL is not set
# CONFIG_MODULE_SIG is not set
CONFIG_STOP_MACHINE=y
CONFIG_BLOCK=y
CONFIG_BLK_DEV_BSG=y
CONFIG_BLK_DEV_BSGLIB=y
# CONFIG_BLK_DEV_INTEGRITY is not set

#
# Partition Types
#
CONFIG_PARTITION_ADVANCED=y
# CONFIG_ACORN_PARTITION is not set
CONFIG_OSF_PARTITION=y
CONFIG_AMIGA_PARTITION=y
# CONFIG_ATARI_PARTITION is not set
CONFIG_MAC_PARTITION=y
CONFIG_MSDOS_PARTITION=y
CONFIG_BSD_DISKLABEL=y
CONFIG_MINIX_SUBPARTITION=y
CONFIG_SOLARIS_X86_PARTITION=y
CONFIG_UNIXWARE_DISKLABEL=y
# CONFIG_LDM_PARTITION is not set
CONFIG_SGI_PARTITION=y
# CONFIG_ULTRIX_PARTITION is not set
CONFIG_SUN_PARTITION=y
CONFIG_KARMA_PARTITION=y
CONFIG_EFI_PARTITION=y
# CONFIG_SYSV68_PARTITION is not set
CONFIG_BLOCK_COMPAT=y

#
# IO Schedulers
#
CONFIG_IOSCHED_NOOP=y
CONFIG_IOSCHED_DEADLINE=y
CONFIG_IOSCHED_CFQ=y
# CONFIG_DEFAULT_DEADLINE is not set
CONFIG_DEFAULT_CFQ=y
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="cfq"
CONFIG_PREEMPT_NOTIFIERS=y
CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
CONFIG_INLINE_READ_UNLOCK=y
CONFIG_INLINE_READ_UNLOCK_IRQ=y
CONFIG_INLINE_WRITE_UNLOCK=y
CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
CONFIG_MUTEX_SPIN_ON_OWNER=y
CONFIG_FREEZER=y

#
# Processor type and features
#
CONFIG_ZONE_DMA=y
CONFIG_SMP=y
CONFIG_X86_MPPARSE=y
# CONFIG_X86_EXTENDED_PLATFORM is not set
CONFIG_X86_SUPPORTS_MEMORY_FAILURE=y
CONFIG_SCHED_OMIT_FRAME_POINTER=y
CONFIG_PARAVIRT_GUEST=y
CONFIG_PARAVIRT_TIME_ACCOUNTING=y
CONFIG_XEN=y
CONFIG_XEN_DOM0=y
CONFIG_XEN_PRIVILEGED_GUEST=y
CONFIG_XEN_PVHVM=y
CONFIG_XEN_MAX_DOMAIN_MEMORY=500
CONFIG_XEN_SAVE_RESTORE=y
CONFIG_XEN_DEBUG_FS=y
CONFIG_KVM_GUEST=y
CONFIG_PARAVIRT=y
CONFIG_PARAVIRT_SPINLOCKS=y
CONFIG_PARAVIRT_CLOCK=y
# CONFIG_PARAVIRT_DEBUG is not set
CONFIG_NO_BOOTMEM=y
# CONFIG_MEMTEST is not set
# CONFIG_MK8 is not set
# CONFIG_MPSC is not set
# CONFIG_MCORE2 is not set
# CONFIG_MATOM is not set
CONFIG_GENERIC_CPU=y
CONFIG_X86_INTERNODE_CACHE_SHIFT=6
CONFIG_X86_L1_CACHE_SHIFT=6
CONFIG_X86_TSC=y
CONFIG_X86_CMPXCHG64=y
CONFIG_X86_CMOV=y
CONFIG_X86_MINIMUM_CPU_FAMILY=64
CONFIG_X86_DEBUGCTLMSR=y
CONFIG_CPU_SUP_INTEL=y
CONFIG_CPU_SUP_AMD=y
CONFIG_CPU_SUP_CENTAUR=y
CONFIG_HPET_TIMER=y
CONFIG_HPET_EMULATE_RTC=y
CONFIG_DMI=y
CONFIG_GART_IOMMU=y
CONFIG_CALGARY_IOMMU=y
CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT=y
CONFIG_SWIOTLB=y
CONFIG_IOMMU_HELPER=y
# CONFIG_MAXSMP is not set
CONFIG_NR_CPUS=512
CONFIG_SCHED_SMT=y
CONFIG_SCHED_MC=y
CONFIG_PREEMPT_NONE=y
# CONFIG_PREEMPT_VOLUNTARY is not set
# CONFIG_PREEMPT is not set
CONFIG_PREEMPT_COUNT=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_X86_IO_APIC=y
CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y
CONFIG_X86_MCE=y
CONFIG_X86_MCE_INTEL=y
CONFIG_X86_MCE_AMD=y
CONFIG_X86_MCE_THRESHOLD=y
CONFIG_X86_MCE_INJECT=y
CONFIG_X86_THERMAL_VECTOR=y
# CONFIG_I8K is not set
CONFIG_MICROCODE=y
CONFIG_MICROCODE_INTEL=y
CONFIG_MICROCODE_AMD=y
CONFIG_MICROCODE_OLD_INTERFACE=y
CONFIG_X86_MSR=y
CONFIG_X86_CPUID=y
CONFIG_ARCH_PHYS_ADDR_T_64BIT=y
CONFIG_ARCH_DMA_ADDR_T_64BIT=y
CONFIG_DIRECT_GBPAGES=y
CONFIG_NUMA=y
CONFIG_AMD_NUMA=y
CONFIG_X86_64_ACPI_NUMA=y
CONFIG_NODES_SPAN_OTHER_NODES=y
# CONFIG_NUMA_EMU is not set
CONFIG_NODES_SHIFT=6
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_SPARSEMEM_DEFAULT=y
CONFIG_ARCH_SELECT_MEMORY_MODEL=y
CONFIG_ARCH_MEMORY_PROBE=y
CONFIG_ARCH_PROC_KCORE_TEXT=y
CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_SPARSEMEM_MANUAL=y
CONFIG_SPARSEMEM=y
CONFIG_NEED_MULTIPLE_NODES=y
CONFIG_HAVE_MEMORY_PRESENT=y
CONFIG_SPARSEMEM_EXTREME=y
CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER=y
CONFIG_SPARSEMEM_VMEMMAP=y
CONFIG_HAVE_MEMBLOCK=y
CONFIG_HAVE_MEMBLOCK_NODE_MAP=y
CONFIG_ARCH_DISCARD_MEMBLOCK=y
CONFIG_MEMORY_ISOLATION=y
# CONFIG_MOVABLE_NODE is not set
CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_HOTPLUG_SPARSE=y
# CONFIG_MEMORY_HOTREMOVE is not set
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_BALLOON_COMPACTION=y
CONFIG_COMPACTION=y
CONFIG_MIGRATION=y
CONFIG_PHYS_ADDR_T_64BIT=y
CONFIG_ZONE_DMA_FLAG=1
CONFIG_BOUNCE=y
CONFIG_VIRT_TO_BUS=y
CONFIG_MMU_NOTIFIER=y
# CONFIG_KSM is not set
CONFIG_DEFAULT_MMAP_MIN_ADDR=65536
CONFIG_ARCH_SUPPORTS_MEMORY_FAILURE=y
# CONFIG_MEMORY_FAILURE is not set
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y
# CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set
CONFIG_CROSS_MEMORY_ATTACH=y
CONFIG_CLEANCACHE=y
CONFIG_FRONTSWAP=y
CONFIG_X86_CHECK_BIOS_CORRUPTION=y
CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y
CONFIG_X86_RESERVE_LOW=64
CONFIG_MTRR=y
# CONFIG_MTRR_SANITIZER is not set
CONFIG_X86_PAT=y
CONFIG_ARCH_USES_PG_UNCACHED=y
CONFIG_ARCH_RANDOM=y
CONFIG_X86_SMAP=y
CONFIG_EFI=y
# CONFIG_EFI_STUB is not set
CONFIG_SECCOMP=y
# CONFIG_CC_STACKPROTECTOR is not set
# CONFIG_HZ_100 is not set
# CONFIG_HZ_250 is not set
# CONFIG_HZ_300 is not set
CONFIG_HZ_1000=y
CONFIG_HZ=1000
CONFIG_SCHED_HRTICK=y
CONFIG_KEXEC=y
CONFIG_CRASH_DUMP=y
# CONFIG_KEXEC_JUMP is not set
CONFIG_PHYSICAL_START=0x1000000
CONFIG_RELOCATABLE=y
CONFIG_PHYSICAL_ALIGN=0x1000000
CONFIG_HOTPLUG_CPU=y
# CONFIG_BOOTPARAM_HOTPLUG_CPU0 is not set
# CONFIG_DEBUG_HOTPLUG_CPU0 is not set
# CONFIG_COMPAT_VDSO is not set
# CONFIG_CMDLINE_BOOL is not set
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
CONFIG_USE_PERCPU_NUMA_NODE_ID=y

#
# Power management and ACPI options
#
CONFIG_ARCH_HIBERNATION_HEADER=y
CONFIG_SUSPEND=y
CONFIG_SUSPEND_FREEZER=y
CONFIG_HIBERNATE_CALLBACKS=y
CONFIG_HIBERNATION=y
CONFIG_PM_STD_PARTITION=""
CONFIG_PM_SLEEP=y
CONFIG_PM_SLEEP_SMP=y
# CONFIG_PM_AUTOSLEEP is not set
# CONFIG_PM_WAKELOCKS is not set
# CONFIG_PM_RUNTIME is not set
CONFIG_PM=y
CONFIG_PM_DEBUG=y
# CONFIG_PM_ADVANCED_DEBUG is not set
# CONFIG_PM_TEST_SUSPEND is not set
CONFIG_PM_SLEEP_DEBUG=y
CONFIG_PM_TRACE=y
CONFIG_PM_TRACE_RTC=y
CONFIG_ACPI=y
CONFIG_ACPI_SLEEP=y
CONFIG_ACPI_PROCFS=y
# CONFIG_ACPI_PROCFS_POWER is not set
# CONFIG_ACPI_EC_DEBUGFS is not set
CONFIG_ACPI_PROC_EVENT=y
CONFIG_ACPI_AC=y
CONFIG_ACPI_BATTERY=y
CONFIG_ACPI_BUTTON=y
CONFIG_ACPI_VIDEO=m
CONFIG_ACPI_FAN=y
CONFIG_ACPI_DOCK=y
CONFIG_ACPI_I2C=y
CONFIG_ACPI_PROCESSOR=y
CONFIG_ACPI_HOTPLUG_CPU=y
CONFIG_ACPI_PROCESSOR_AGGREGATOR=m
CONFIG_ACPI_THERMAL=y
CONFIG_ACPI_NUMA=y
# CONFIG_ACPI_CUSTOM_DSDT is not set
# CONFIG_ACPI_INITRD_TABLE_OVERRIDE is not set
CONFIG_ACPI_BLACKLIST_YEAR=0
CONFIG_ACPI_DEBUG=y
# CONFIG_ACPI_DEBUG_FUNC_TRACE is not set
# CONFIG_ACPI_PCI_SLOT is not set
CONFIG_X86_PM_TIMER=y
CONFIG_ACPI_CONTAINER=y
# CONFIG_ACPI_HOTPLUG_MEMORY is not set
# CONFIG_ACPI_SBS is not set
CONFIG_ACPI_HED=y
# CONFIG_ACPI_CUSTOM_METHOD is not set
# CONFIG_ACPI_BGRT is not set
CONFIG_ACPI_APEI=y
CONFIG_ACPI_APEI_GHES=y
CONFIG_ACPI_APEI_PCIEAER=y
CONFIG_ACPI_APEI_EINJ=y
# CONFIG_ACPI_APEI_ERST_DEBUG is not set
# CONFIG_SFI is not set

#
# CPU Frequency scaling
#
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_TABLE=y
# CONFIG_CPU_FREQ_STAT is not set
CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
# CONFIG_CPU_FREQ_GOV_USERSPACE is not set
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set

#
# x86 CPU frequency scaling drivers
#
# CONFIG_X86_PCC_CPUFREQ is not set
CONFIG_X86_ACPI_CPUFREQ=m
CONFIG_X86_ACPI_CPUFREQ_CPB=y
CONFIG_X86_POWERNOW_K8=m
CONFIG_X86_SPEEDSTEP_CENTRINO=m
CONFIG_X86_P4_CLOCKMOD=m

#
# shared options
#
CONFIG_X86_SPEEDSTEP_LIB=m
CONFIG_CPU_IDLE=y
# CONFIG_CPU_IDLE_MULTIPLE_DRIVERS is not set
CONFIG_CPU_IDLE_GOV_LADDER=y
CONFIG_CPU_IDLE_GOV_MENU=y
# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set
CONFIG_INTEL_IDLE=y

#
# Memory power savings
#
# CONFIG_I7300_IDLE is not set

#
# Bus options (PCI etc.)
#
CONFIG_PCI=y
CONFIG_PCI_DIRECT=y
CONFIG_PCI_MMCONFIG=y
CONFIG_PCI_XEN=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCIEPORTBUS=y
# CONFIG_HOTPLUG_PCI_PCIE is not set
CONFIG_PCIEAER=y
CONFIG_PCIE_ECRC=y
# CONFIG_PCIEAER_INJECT is not set
CONFIG_PCIEASPM=y
# CONFIG_PCIEASPM_DEBUG is not set
CONFIG_PCIEASPM_DEFAULT=y
# CONFIG_PCIEASPM_POWERSAVE is not set
# CONFIG_PCIEASPM_PERFORMANCE is not set
CONFIG_ARCH_SUPPORTS_MSI=y
CONFIG_PCI_MSI=y
# CONFIG_PCI_DEBUG is not set
# CONFIG_PCI_REALLOC_ENABLE_AUTO is not set
# CONFIG_PCI_STUB is not set
CONFIG_XEN_PCIDEV_FRONTEND=y
CONFIG_HT_IRQ=y
CONFIG_PCI_ATS=y
CONFIG_PCI_IOV=y
CONFIG_PCI_PRI=y
CONFIG_PCI_PASID=y
# CONFIG_PCI_IOAPIC is not set
CONFIG_PCI_LABEL=y
CONFIG_ISA_DMA_API=y
CONFIG_AMD_NB=y
CONFIG_PCCARD=y
CONFIG_PCMCIA=y
CONFIG_PCMCIA_LOAD_CIS=y
CONFIG_CARDBUS=y

#
# PC-card bridges
#
CONFIG_YENTA=y
CONFIG_YENTA_O2=y
CONFIG_YENTA_RICOH=y
CONFIG_YENTA_TI=y
CONFIG_YENTA_ENE_TUNE=y
CONFIG_YENTA_TOSHIBA=y
# CONFIG_PD6729 is not set
# CONFIG_I82092 is not set
CONFIG_PCCARD_NONSTATIC=y
CONFIG_HOTPLUG_PCI=y
# CONFIG_HOTPLUG_PCI_ACPI is not set
# CONFIG_HOTPLUG_PCI_CPCI is not set
# CONFIG_HOTPLUG_PCI_SHPC is not set
# CONFIG_RAPIDIO is not set

#
# Executable file formats / Emulations
#
CONFIG_BINFMT_ELF=y
CONFIG_COMPAT_BINFMT_ELF=y
CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
# CONFIG_HAVE_AOUT is not set
CONFIG_BINFMT_MISC=y
CONFIG_COREDUMP=y
CONFIG_IA32_EMULATION=y
# CONFIG_IA32_AOUT is not set
# CONFIG_X86_X32 is not set
CONFIG_COMPAT=y
CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
CONFIG_SYSVIPC_COMPAT=y
CONFIG_KEYS_COMPAT=y
CONFIG_HAVE_TEXT_POKE_SMP=y
CONFIG_X86_DEV_DMA_OPS=y
CONFIG_NET=y

#
# Networking options
#
CONFIG_PACKET=y
# CONFIG_PACKET_DIAG is not set
CONFIG_UNIX=y
# CONFIG_UNIX_DIAG is not set
CONFIG_XFRM=y
CONFIG_XFRM_ALGO=y
CONFIG_XFRM_USER=y
# CONFIG_XFRM_SUB_POLICY is not set
# CONFIG_XFRM_MIGRATE is not set
# CONFIG_XFRM_STATISTICS is not set
# CONFIG_NET_KEY is not set
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_ADVANCED_ROUTER=y
# CONFIG_IP_FIB_TRIE_STATS is not set
CONFIG_IP_MULTIPLE_TABLES=y
CONFIG_IP_ROUTE_MULTIPATH=y
CONFIG_IP_ROUTE_VERBOSE=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_RARP=y
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE_DEMUX is not set
CONFIG_IP_MROUTE=y
# CONFIG_IP_MROUTE_MULTIPLE_TABLES is not set
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
# CONFIG_ARPD is not set
CONFIG_SYN_COOKIES=y
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
# CONFIG_INET_XFRM_TUNNEL is not set
CONFIG_INET_TUNNEL=y
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
CONFIG_INET_LRO=y
# CONFIG_INET_DIAG is not set
CONFIG_TCP_CONG_ADVANCED=y
# CONFIG_TCP_CONG_BIC is not set
CONFIG_TCP_CONG_CUBIC=y
# CONFIG_TCP_CONG_WESTWOOD is not set
# CONFIG_TCP_CONG_HTCP is not set
# CONFIG_TCP_CONG_HSTCP is not set
# CONFIG_TCP_CONG_HYBLA is not set
# CONFIG_TCP_CONG_VEGAS is not set
# CONFIG_TCP_CONG_SCALABLE is not set
# CONFIG_TCP_CONG_LP is not set
# CONFIG_TCP_CONG_VENO is not set
# CONFIG_TCP_CONG_YEAH is not set
# CONFIG_TCP_CONG_ILLINOIS is not set
CONFIG_DEFAULT_CUBIC=y
# CONFIG_DEFAULT_RENO is not set
CONFIG_DEFAULT_TCP_CONG="cubic"
CONFIG_TCP_MD5SIG=y
CONFIG_IPV6=y
# CONFIG_IPV6_PRIVACY is not set
# CONFIG_IPV6_ROUTER_PREF is not set
# CONFIG_IPV6_OPTIMISTIC_DAD is not set
CONFIG_INET6_AH=y
CONFIG_INET6_ESP=y
# CONFIG_INET6_IPCOMP is not set
# CONFIG_IPV6_MIP6 is not set
# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
CONFIG_INET6_XFRM_MODE_TRANSPORT=y
CONFIG_INET6_XFRM_MODE_TUNNEL=y
CONFIG_INET6_XFRM_MODE_BEET=y
# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
CONFIG_IPV6_SIT=y
# CONFIG_IPV6_SIT_6RD is not set
CONFIG_IPV6_NDISC_NODETYPE=y
# CONFIG_IPV6_TUNNEL is not set
# CONFIG_IPV6_GRE is not set
# CONFIG_IPV6_MULTIPLE_TABLES is not set
# CONFIG_IPV6_MROUTE is not set
CONFIG_NETLABEL=y
CONFIG_NETWORK_SECMARK=y
# CONFIG_NETWORK_PHY_TIMESTAMPING is not set
CONFIG_NETFILTER=y
# CONFIG_NETFILTER_DEBUG is not set
# CONFIG_NETFILTER_ADVANCED is not set

#
# Core Netfilter Configuration
#
CONFIG_NETFILTER_NETLINK=y
CONFIG_NETFILTER_NETLINK_LOG=y
CONFIG_NF_CONNTRACK=y
CONFIG_NF_CONNTRACK_SECMARK=y
CONFIG_NF_CONNTRACK_PROCFS=y
CONFIG_NF_CONNTRACK_FTP=y
CONFIG_NF_CONNTRACK_IRC=y
# CONFIG_NF_CONNTRACK_NETBIOS_NS is not set
CONFIG_NF_CONNTRACK_SIP=y
CONFIG_NF_CT_NETLINK=y
CONFIG_NF_NAT=m
CONFIG_NF_NAT_NEEDED=y
# CONFIG_NF_NAT_AMANDA is not set
CONFIG_NF_NAT_FTP=m
CONFIG_NF_NAT_IRC=m
CONFIG_NF_NAT_SIP=m
# CONFIG_NF_NAT_TFTP is not set
CONFIG_NETFILTER_XTABLES=y

#
# Xtables combined modules
#
CONFIG_NETFILTER_XT_MARK=m

#
# Xtables targets
#
CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y
CONFIG_NETFILTER_XT_TARGET_LOG=m
# CONFIG_NETFILTER_XT_TARGET_NETMAP is not set
CONFIG_NETFILTER_XT_TARGET_NFLOG=y
# CONFIG_NETFILTER_XT_TARGET_REDIRECT is not set
CONFIG_NETFILTER_XT_TARGET_SECMARK=y
CONFIG_NETFILTER_XT_TARGET_TCPMSS=y

#
# Xtables matches
#
CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
CONFIG_NETFILTER_XT_MATCH_POLICY=y
CONFIG_NETFILTER_XT_MATCH_STATE=y
# CONFIG_IP_SET is not set
# CONFIG_IP_VS is not set

#
# IP: Netfilter Configuration
#
CONFIG_NF_DEFRAG_IPV4=y
CONFIG_NF_CONNTRACK_IPV4=y
CONFIG_NF_CONNTRACK_PROC_COMPAT=y
CONFIG_IP_NF_IPTABLES=y
CONFIG_IP_NF_FILTER=y
CONFIG_IP_NF_TARGET_REJECT=y
CONFIG_IP_NF_TARGET_ULOG=y
CONFIG_NF_NAT_IPV4=m
CONFIG_IP_NF_TARGET_MASQUERADE=m
# CONFIG_NF_NAT_PPTP is not set
# CONFIG_NF_NAT_H323 is not set
CONFIG_IP_NF_MANGLE=y
# CONFIG_IP_NF_RAW is not set

#
# IPv6: Netfilter Configuration
#
CONFIG_NF_DEFRAG_IPV6=y
CONFIG_NF_CONNTRACK_IPV6=y
CONFIG_IP6_NF_IPTABLES=y
CONFIG_IP6_NF_MATCH_IPV6HEADER=y
CONFIG_IP6_NF_FILTER=y
CONFIG_IP6_NF_TARGET_REJECT=y
CONFIG_IP6_NF_MANGLE=y
# CONFIG_IP6_NF_RAW is not set
# CONFIG_BRIDGE_NF_EBTABLES is not set
# CONFIG_IP_DCCP is not set
# CONFIG_IP_SCTP is not set
# CONFIG_RDS is not set
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_L2TP is not set
CONFIG_STP=y
CONFIG_BRIDGE=y
CONFIG_BRIDGE_IGMP_SNOOPING=y
CONFIG_HAVE_NET_DSA=y
# CONFIG_VLAN_8021Q is not set
# CONFIG_DECNET is not set
CONFIG_LLC=y
# CONFIG_LLC2 is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_WAN_ROUTER is not set
# CONFIG_PHONET is not set
# CONFIG_IEEE802154 is not set
CONFIG_NET_SCHED=y

#
# Queueing/Scheduling
#
# CONFIG_NET_SCH_CBQ is not set
# CONFIG_NET_SCH_HTB is not set
# CONFIG_NET_SCH_HFSC is not set
# CONFIG_NET_SCH_PRIO is not set
# CONFIG_NET_SCH_MULTIQ is not set
# CONFIG_NET_SCH_RED is not set
# CONFIG_NET_SCH_SFB is not set
# CONFIG_NET_SCH_SFQ is not set
# CONFIG_NET_SCH_TEQL is not set
# CONFIG_NET_SCH_TBF is not set
# CONFIG_NET_SCH_GRED is not set
# CONFIG_NET_SCH_DSMARK is not set
# CONFIG_NET_SCH_NETEM is not set
# CONFIG_NET_SCH_DRR is not set
# CONFIG_NET_SCH_MQPRIO is not set
# CONFIG_NET_SCH_CHOKE is not set
# CONFIG_NET_SCH_QFQ is not set
# CONFIG_NET_SCH_CODEL is not set
# CONFIG_NET_SCH_FQ_CODEL is not set
# CONFIG_NET_SCH_INGRESS is not set
# CONFIG_NET_SCH_PLUG is not set

#
# Classification
#
CONFIG_NET_CLS=y
# CONFIG_NET_CLS_BASIC is not set
# CONFIG_NET_CLS_TCINDEX is not set
# CONFIG_NET_CLS_ROUTE4 is not set
# CONFIG_NET_CLS_FW is not set
# CONFIG_NET_CLS_U32 is not set
# CONFIG_NET_CLS_RSVP is not set
# CONFIG_NET_CLS_RSVP6 is not set
# CONFIG_NET_CLS_FLOW is not set
# CONFIG_NET_CLS_CGROUP is not set
CONFIG_NET_EMATCH=y
CONFIG_NET_EMATCH_STACK=32
# CONFIG_NET_EMATCH_CMP is not set
# CONFIG_NET_EMATCH_NBYTE is not set
# CONFIG_NET_EMATCH_U32 is not set
# CONFIG_NET_EMATCH_META is not set
# CONFIG_NET_EMATCH_TEXT is not set
CONFIG_NET_CLS_ACT=y
# CONFIG_NET_ACT_POLICE is not set
# CONFIG_NET_ACT_GACT is not set
# CONFIG_NET_ACT_MIRRED is not set
# CONFIG_NET_ACT_IPT is not set
# CONFIG_NET_ACT_NAT is not set
# CONFIG_NET_ACT_PEDIT is not set
# CONFIG_NET_ACT_SIMP is not set
# CONFIG_NET_ACT_SKBEDIT is not set
# CONFIG_NET_ACT_CSUM is not set
CONFIG_NET_SCH_FIFO=y
CONFIG_DCB=y
CONFIG_DNS_RESOLVER=y
# CONFIG_BATMAN_ADV is not set
# CONFIG_OPENVSWITCH is not set
CONFIG_RPS=y
CONFIG_RFS_ACCEL=y
CONFIG_XPS=y
# CONFIG_NETPRIO_CGROUP is not set
CONFIG_BQL=y
# CONFIG_BPF_JIT is not set

#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_NET_TCPPROBE is not set
# CONFIG_NET_DROP_MONITOR is not set
# CONFIG_HAMRADIO is not set
# CONFIG_CAN is not set
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_AF_RXRPC is not set
CONFIG_FIB_RULES=y
# CONFIG_WIRELESS is not set
# CONFIG_WIMAX is not set
CONFIG_RFKILL=y
CONFIG_RFKILL_INPUT=y
# CONFIG_NET_9P is not set
# CONFIG_CAIF is not set
# CONFIG_CEPH_LIB is not set
# CONFIG_NFC is not set
CONFIG_HAVE_BPF_JIT=y

#
# Device Drivers
#

#
# Generic Driver Options
#
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
# CONFIG_DEVTMPFS is not set
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=y
CONFIG_FIRMWARE_IN_KERNEL=y
CONFIG_EXTRA_FIRMWARE=""
# CONFIG_DEBUG_DRIVER is not set
CONFIG_DEBUG_DEVRES=y
CONFIG_SYS_HYPERVISOR=y
# CONFIG_GENERIC_CPU_DEVICES is not set
CONFIG_DMA_SHARED_BUFFER=y

#
# Bus devices
#
CONFIG_CONNECTOR=y
CONFIG_PROC_EVENTS=y
# CONFIG_MTD is not set
# CONFIG_PARPORT is not set
CONFIG_PNP=y
CONFIG_PNP_DEBUG_MESSAGES=y

#
# Protocols
#
CONFIG_PNPACPI=y
CONFIG_BLK_DEV=y
# CONFIG_BLK_DEV_FD is not set
# CONFIG_BLK_DEV_PCIESSD_MTIP32XX is not set
# CONFIG_BLK_CPQ_DA is not set
# CONFIG_BLK_CPQ_CISS_DA is not set
# CONFIG_BLK_DEV_DAC960 is not set
# CONFIG_BLK_DEV_UMEM is not set
# CONFIG_BLK_DEV_COW_COMMON is not set
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_LOOP_MIN_COUNT=8
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
# CONFIG_BLK_DEV_DRBD is not set
# CONFIG_BLK_DEV_NBD is not set
# CONFIG_BLK_DEV_NVME is not set
# CONFIG_BLK_DEV_SX8 is not set
# CONFIG_BLK_DEV_RAM is not set
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set
CONFIG_XEN_BLKDEV_FRONTEND=m
CONFIG_XEN_BLKDEV_BACKEND=y
CONFIG_VIRTIO_BLK=m
# CONFIG_BLK_DEV_HD is not set
# CONFIG_BLK_DEV_RBD is not set

#
# Misc devices
#
# CONFIG_SENSORS_LIS3LV02D is not set
# CONFIG_AD525X_DPOT is not set
# CONFIG_IBM_ASM is not set
# CONFIG_PHANTOM is not set
# CONFIG_INTEL_MID_PTI is not set
# CONFIG_SGI_IOC4 is not set
# CONFIG_TIFM_CORE is not set
# CONFIG_ICS932S401 is not set
# CONFIG_ENCLOSURE_SERVICES is not set
# CONFIG_HP_ILO is not set
# CONFIG_APDS9802ALS is not set
# CONFIG_ISL29003 is not set
# CONFIG_ISL29020 is not set
# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_SENSORS_BH1780 is not set
# CONFIG_SENSORS_BH1770 is not set
# CONFIG_SENSORS_APDS990X is not set
# CONFIG_HMC6352 is not set
# CONFIG_DS1682 is not set
# CONFIG_VMWARE_BALLOON is not set
# CONFIG_BMP085_I2C is not set
# CONFIG_PCH_PHUB is not set
# CONFIG_USB_SWITCH_FSA9480 is not set
# CONFIG_C2PORT is not set

#
# EEPROM support
#
# CONFIG_EEPROM_AT24 is not set
# CONFIG_EEPROM_LEGACY is not set
# CONFIG_EEPROM_MAX6875 is not set
# CONFIG_EEPROM_93CX6 is not set
# CONFIG_CB710_CORE is not set

#
# Texas Instruments shared transport line discipline
#
# CONFIG_SENSORS_LIS3_I2C is not set

#
# Altera FPGA firmware download module
#
# CONFIG_ALTERA_STAPL is not set
CONFIG_HAVE_IDE=y
# CONFIG_IDE is not set

#
# SCSI device support
#
CONFIG_SCSI_MOD=m
CONFIG_RAID_ATTRS=m
CONFIG_SCSI=m
CONFIG_SCSI_DMA=y
CONFIG_SCSI_TGT=m
CONFIG_SCSI_NETLINK=y
CONFIG_SCSI_PROC_FS=y

#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=m
CONFIG_CHR_DEV_ST=m
CONFIG_CHR_DEV_OSST=m
CONFIG_BLK_DEV_SR=m
CONFIG_BLK_DEV_SR_VENDOR=y
CONFIG_CHR_DEV_SG=m
CONFIG_CHR_DEV_SCH=m
CONFIG_SCSI_MULTI_LUN=y
CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_LOGGING=y
CONFIG_SCSI_SCAN_ASYNC=y

#
# SCSI Transports
#
CONFIG_SCSI_SPI_ATTRS=m
CONFIG_SCSI_FC_ATTRS=m
CONFIG_SCSI_FC_TGT_ATTRS=y
CONFIG_SCSI_ISCSI_ATTRS=m
CONFIG_SCSI_SAS_ATTRS=m
CONFIG_SCSI_SAS_LIBSAS=m
CONFIG_SCSI_SAS_ATA=y
CONFIG_SCSI_SAS_HOST_SMP=y
# CONFIG_SCSI_SRP_ATTRS is not set
CONFIG_SCSI_LOWLEVEL=y
CONFIG_ISCSI_TCP=m
CONFIG_ISCSI_BOOT_SYSFS=m
# CONFIG_SCSI_CXGB3_ISCSI is not set
# CONFIG_SCSI_CXGB4_ISCSI is not set
# CONFIG_SCSI_BNX2_ISCSI is not set
# CONFIG_SCSI_BNX2X_FCOE is not set
# CONFIG_BE2ISCSI is not set
CONFIG_BLK_DEV_3W_XXXX_RAID=m
# CONFIG_SCSI_HPSA is not set
CONFIG_SCSI_3W_9XXX=m
# CONFIG_SCSI_3W_SAS is not set
CONFIG_SCSI_ACARD=m
CONFIG_SCSI_AACRAID=m
CONFIG_SCSI_AIC7XXX=m
CONFIG_AIC7XXX_CMDS_PER_DEVICE=8
CONFIG_AIC7XXX_RESET_DELAY_MS=15000
CONFIG_AIC7XXX_DEBUG_ENABLE=y
CONFIG_AIC7XXX_DEBUG_MASK=0
CONFIG_AIC7XXX_REG_PRETTY_PRINT=y
CONFIG_SCSI_AIC7XXX_OLD=m
CONFIG_SCSI_AIC79XX=m
CONFIG_AIC79XX_CMDS_PER_DEVICE=32
CONFIG_AIC79XX_RESET_DELAY_MS=15000
CONFIG_AIC79XX_DEBUG_ENABLE=y
CONFIG_AIC79XX_DEBUG_MASK=0
CONFIG_AIC79XX_REG_PRETTY_PRINT=y
CONFIG_SCSI_AIC94XX=m
# CONFIG_AIC94XX_DEBUG is not set
CONFIG_SCSI_MVSAS=m
# CONFIG_SCSI_MVSAS_DEBUG is not set
# CONFIG_SCSI_MVSAS_TASKLET is not set
# CONFIG_SCSI_MVUMI is not set
CONFIG_SCSI_DPT_I2O=m
CONFIG_SCSI_ADVANSYS=m
CONFIG_SCSI_ARCMSR=m
CONFIG_MEGARAID_NEWGEN=y
CONFIG_MEGARAID_MM=m
CONFIG_MEGARAID_MAILBOX=m
CONFIG_MEGARAID_LEGACY=m
CONFIG_MEGARAID_SAS=m
CONFIG_SCSI_MPT2SAS=m
CONFIG_SCSI_MPT2SAS_MAX_SGE=128
CONFIG_SCSI_MPT2SAS_LOGGING=y
# CONFIG_SCSI_MPT3SAS is not set
# CONFIG_SCSI_UFSHCD is not set
CONFIG_SCSI_HPTIOP=m
CONFIG_SCSI_BUSLOGIC=m
# CONFIG_VMWARE_PVSCSI is not set
CONFIG_LIBFC=m
CONFIG_LIBFCOE=m
CONFIG_FCOE=m
# CONFIG_FCOE_FNIC is not set
CONFIG_SCSI_DMX3191D=m
CONFIG_SCSI_EATA=m
CONFIG_SCSI_EATA_TAGGED_QUEUE=y
CONFIG_SCSI_EATA_LINKED_COMMANDS=y
CONFIG_SCSI_EATA_MAX_TAGS=16
CONFIG_SCSI_FUTURE_DOMAIN=m
CONFIG_SCSI_GDTH=m
CONFIG_SCSI_ISCI=m
CONFIG_SCSI_IPS=m
CONFIG_SCSI_INITIO=m
# CONFIG_SCSI_INIA100 is not set
CONFIG_SCSI_STEX=m
CONFIG_SCSI_SYM53C8XX_2=m
CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1
CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
CONFIG_SCSI_SYM53C8XX_MMIO=y
CONFIG_SCSI_IPR=m
# CONFIG_SCSI_IPR_TRACE is not set
# CONFIG_SCSI_IPR_DUMP is not set
CONFIG_SCSI_QLOGIC_1280=m
CONFIG_SCSI_QLA_FC=m
# CONFIG_TCM_QLA2XXX is not set
# CONFIG_SCSI_QLA_ISCSI is not set
CONFIG_SCSI_LPFC=m
# CONFIG_SCSI_LPFC_DEBUG_FS is not set
CONFIG_SCSI_DC395x=m
CONFIG_SCSI_DC390T=m
CONFIG_SCSI_DEBUG=m
# CONFIG_SCSI_PMCRAID is not set
# CONFIG_SCSI_PM8001 is not set
CONFIG_SCSI_SRP=m
# CONFIG_SCSI_BFA_FC is not set
CONFIG_SCSI_VIRTIO=m
# CONFIG_SCSI_CHELSIO_FCOE is not set
# CONFIG_SCSI_LOWLEVEL_PCMCIA is not set
# CONFIG_SCSI_DH is not set
# CONFIG_SCSI_OSD_INITIATOR is not set
CONFIG_ATA=m
# CONFIG_ATA_NONSTANDARD is not set
CONFIG_ATA_VERBOSE_ERROR=y
CONFIG_ATA_ACPI=y
CONFIG_SATA_PMP=y

#
# Controllers with non-SFF native interface
#
CONFIG_SATA_AHCI=m
# CONFIG_SATA_AHCI_PLATFORM is not set
CONFIG_SATA_INIC162X=m
# CONFIG_SATA_ACARD_AHCI is not set
CONFIG_SATA_SIL24=m
CONFIG_ATA_SFF=y

#
# SFF controllers with custom DMA interface
#
CONFIG_PDC_ADMA=m
CONFIG_SATA_QSTOR=m
CONFIG_SATA_SX4=m
CONFIG_ATA_BMDMA=y

#
# SATA SFF controllers with BMDMA
#
CONFIG_ATA_PIIX=m
# CONFIG_SATA_HIGHBANK is not set
CONFIG_SATA_MV=m
CONFIG_SATA_NV=m
CONFIG_SATA_PROMISE=m
CONFIG_SATA_SIL=m
CONFIG_SATA_SIS=m
CONFIG_SATA_SVW=m
CONFIG_SATA_ULI=m
CONFIG_SATA_VIA=m
CONFIG_SATA_VITESSE=m

#
# PATA SFF controllers with BMDMA
#
# CONFIG_PATA_ALI is not set
# CONFIG_PATA_AMD is not set
# CONFIG_PATA_ARASAN_CF is not set
# CONFIG_PATA_ARTOP is not set
# CONFIG_PATA_ATIIXP is not set
# CONFIG_PATA_ATP867X is not set
# CONFIG_PATA_CMD64X is not set
# CONFIG_PATA_CS5520 is not set
# CONFIG_PATA_CS5530 is not set
# CONFIG_PATA_CS5536 is not set
# CONFIG_PATA_CYPRESS is not set
CONFIG_PATA_EFAR=m
# CONFIG_PATA_HPT366 is not set
# CONFIG_PATA_HPT37X is not set
# CONFIG_PATA_HPT3X2N is not set
# CONFIG_PATA_HPT3X3 is not set
# CONFIG_PATA_IT8213 is not set
# CONFIG_PATA_IT821X is not set
# CONFIG_PATA_JMICRON is not set
CONFIG_PATA_MARVELL=m
# CONFIG_PATA_NETCELL is not set
# CONFIG_PATA_NINJA32 is not set
# CONFIG_PATA_NS87415 is not set
# CONFIG_PATA_OLDPIIX is not set
# CONFIG_PATA_OPTIDMA is not set
# CONFIG_PATA_PDC2027X is not set
CONFIG_PATA_PDC_OLD=m
CONFIG_PATA_RADISYS=m
# CONFIG_PATA_RDC is not set
# CONFIG_PATA_SC1200 is not set
CONFIG_PATA_SCH=m
# CONFIG_PATA_SERVERWORKS is not set
# CONFIG_PATA_SIL680 is not set
CONFIG_PATA_SIS=m
# CONFIG_PATA_TOSHIBA is not set
# CONFIG_PATA_TRIFLEX is not set
# CONFIG_PATA_VIA is not set
CONFIG_PATA_WINBOND=m

#
# PIO-only SFF controllers
#
# CONFIG_PATA_CMD640_PCI is not set
# CONFIG_PATA_MPIIX is not set
# CONFIG_PATA_NS87410 is not set
# CONFIG_PATA_OPTI is not set
CONFIG_PATA_PCMCIA=m
# CONFIG_PATA_RZ1000 is not set

#
# Generic fallback / legacy drivers
#
# CONFIG_PATA_ACPI is not set
CONFIG_ATA_GENERIC=m
CONFIG_PATA_LEGACY=m
CONFIG_MD=y
CONFIG_BLK_DEV_MD=m
CONFIG_MD_LINEAR=m
CONFIG_MD_RAID0=m
CONFIG_MD_RAID1=m
CONFIG_MD_RAID10=m
CONFIG_MD_RAID456=m
# CONFIG_MULTICORE_RAID456 is not set
CONFIG_MD_MULTIPATH=m
CONFIG_MD_FAULTY=m
CONFIG_BLK_DEV_DM=m
# CONFIG_DM_DEBUG is not set
CONFIG_DM_CRYPT=m
CONFIG_DM_SNAPSHOT=m
# CONFIG_DM_THIN_PROVISIONING is not set
CONFIG_DM_MIRROR=m
# CONFIG_DM_RAID is not set
# CONFIG_DM_LOG_USERSPACE is not set
CONFIG_DM_ZERO=m
CONFIG_DM_MULTIPATH=m
# CONFIG_DM_MULTIPATH_QL is not set
# CONFIG_DM_MULTIPATH_ST is not set
CONFIG_DM_DELAY=m
# CONFIG_DM_UEVENT is not set
# CONFIG_DM_FLAKEY is not set
# CONFIG_DM_VERITY is not set
CONFIG_TARGET_CORE=m
CONFIG_TCM_IBLOCK=m
CONFIG_TCM_FILEIO=m
CONFIG_TCM_PSCSI=m
CONFIG_LOOPBACK_TARGET=m
CONFIG_TCM_FC=m
CONFIG_ISCSI_TARGET=m
CONFIG_FUSION=y
CONFIG_FUSION_SPI=m
CONFIG_FUSION_FC=m
CONFIG_FUSION_SAS=m
CONFIG_FUSION_MAX_SGE=40
CONFIG_FUSION_CTL=m
# CONFIG_FUSION_LOGGING is not set

#
# IEEE 1394 (FireWire) support
#
# CONFIG_FIREWIRE is not set
# CONFIG_FIREWIRE_NOSY is not set
# CONFIG_I2O is not set
CONFIG_MACINTOSH_DRIVERS=y
CONFIG_MAC_EMUMOUSEBTN=y
CONFIG_NETDEVICES=y
CONFIG_NET_CORE=y
# CONFIG_BONDING is not set
# CONFIG_DUMMY is not set
# CONFIG_EQUALIZER is not set
# CONFIG_NET_FC is not set
CONFIG_MII=m
# CONFIG_IFB is not set
# CONFIG_NET_TEAM is not set
CONFIG_MACVLAN=y
CONFIG_MACVTAP=y
# CONFIG_VXLAN is not set
CONFIG_NETCONSOLE=m
# CONFIG_NETCONSOLE_DYNAMIC is not set
CONFIG_NETPOLL=y
CONFIG_NETPOLL_TRAP=y
CONFIG_NET_POLL_CONTROLLER=y
CONFIG_TUN=y
# CONFIG_VETH is not set
CONFIG_VIRTIO_NET=m
CONFIG_SUNGEM_PHY=m
# CONFIG_ARCNET is not set

#
# CAIF transport drivers
#

#
# Distributed Switch Architecture drivers
#
# CONFIG_NET_DSA_MV88E6XXX is not set
# CONFIG_NET_DSA_MV88E6060 is not set
# CONFIG_NET_DSA_MV88E6XXX_NEED_PPU is not set
# CONFIG_NET_DSA_MV88E6131 is not set
# CONFIG_NET_DSA_MV88E6123_61_65 is not set
CONFIG_ETHERNET=y
CONFIG_MDIO=m
CONFIG_NET_VENDOR_3COM=y
# CONFIG_PCMCIA_3C574 is not set
# CONFIG_PCMCIA_3C589 is not set
CONFIG_VORTEX=m
CONFIG_TYPHOON=m
CONFIG_NET_VENDOR_ADAPTEC=y
# CONFIG_ADAPTEC_STARFIRE is not set
CONFIG_NET_VENDOR_ALTEON=y
# CONFIG_ACENIC is not set
CONFIG_NET_VENDOR_AMD=y
# CONFIG_AMD8111_ETH is not set
# CONFIG_PCNET32 is not set
# CONFIG_PCMCIA_NMCLAN is not set
CONFIG_NET_VENDOR_ATHEROS=y
# CONFIG_ATL2 is not set
# CONFIG_ATL1 is not set
# CONFIG_ATL1E is not set
CONFIG_ATL1C=m
CONFIG_NET_CADENCE=y
# CONFIG_ARM_AT91_ETHER is not set
# CONFIG_MACB is not set
CONFIG_NET_VENDOR_BROADCOM=y
# CONFIG_B44 is not set
CONFIG_BNX2=m
# CONFIG_CNIC is not set
CONFIG_TIGON3=y
CONFIG_BNX2X=m
CONFIG_NET_VENDOR_BROCADE=y
# CONFIG_BNA is not set
# CONFIG_NET_CALXEDA_XGMAC is not set
CONFIG_NET_VENDOR_CHELSIO=y
# CONFIG_CHELSIO_T1 is not set
# CONFIG_CHELSIO_T3 is not set
# CONFIG_CHELSIO_T4 is not set
# CONFIG_CHELSIO_T4VF is not set
CONFIG_NET_VENDOR_CISCO=y
# CONFIG_ENIC is not set
# CONFIG_DNET is not set
CONFIG_NET_VENDOR_DEC=y
CONFIG_NET_TULIP=y
# CONFIG_DE2104X is not set
# CONFIG_TULIP is not set
# CONFIG_DE4X5 is not set
# CONFIG_WINBOND_840 is not set
# CONFIG_DM9102 is not set
# CONFIG_ULI526X is not set
# CONFIG_PCMCIA_XIRCOM is not set
CONFIG_NET_VENDOR_DLINK=y
# CONFIG_DL2K is not set
# CONFIG_SUNDANCE is not set
CONFIG_NET_VENDOR_EMULEX=y
# CONFIG_BE2NET is not set
CONFIG_NET_VENDOR_EXAR=y
# CONFIG_S2IO is not set
# CONFIG_VXGE is not set
CONFIG_NET_VENDOR_FUJITSU=y
# CONFIG_PCMCIA_FMVJ18X is not set
CONFIG_NET_VENDOR_HP=y
# CONFIG_HP100 is not set
CONFIG_NET_VENDOR_INTEL=y
CONFIG_E100=m
CONFIG_E1000=m
CONFIG_E1000E=m
CONFIG_IGB=m
CONFIG_IGB_DCA=y
# CONFIG_IGBVF is not set
CONFIG_IXGB=m
CONFIG_IXGBE=m
CONFIG_IXGBE_HWMON=y
CONFIG_IXGBE_DCA=y
CONFIG_IXGBE_DCB=y
# CONFIG_IXGBEVF is not set
CONFIG_NET_VENDOR_I825XX=y
# CONFIG_ZNET is not set
# CONFIG_IP1000 is not set
# CONFIG_JME is not set
CONFIG_NET_VENDOR_MARVELL=y
# CONFIG_MVMDIO is not set
CONFIG_SKGE=m
# CONFIG_SKGE_DEBUG is not set
# CONFIG_SKGE_GENESIS is not set
CONFIG_SKY2=m
# CONFIG_SKY2_DEBUG is not set
CONFIG_NET_VENDOR_MELLANOX=y
# CONFIG_MLX4_EN is not set
# CONFIG_MLX4_CORE is not set
CONFIG_NET_VENDOR_MICREL=y
# CONFIG_KS8842 is not set
# CONFIG_KS8851_MLL is not set
# CONFIG_KSZ884X_PCI is not set
CONFIG_NET_VENDOR_MYRI=y
# CONFIG_MYRI10GE is not set
# CONFIG_FEALNX is not set
CONFIG_NET_VENDOR_NATSEMI=y
# CONFIG_NATSEMI is not set
# CONFIG_NS83820 is not set
CONFIG_NET_VENDOR_8390=y
# CONFIG_PCMCIA_AXNET is not set
CONFIG_NE2K_PCI=m
# CONFIG_PCMCIA_PCNET is not set
CONFIG_NET_VENDOR_NVIDIA=y
CONFIG_FORCEDETH=y
CONFIG_NET_VENDOR_OKI=y
# CONFIG_PCH_GBE is not set
# CONFIG_ETHOC is not set
CONFIG_NET_PACKET_ENGINE=y
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set
CONFIG_NET_VENDOR_QLOGIC=y
# CONFIG_QLA3XXX is not set
# CONFIG_QLCNIC is not set
# CONFIG_QLGE is not set
# CONFIG_NETXEN_NIC is not set
CONFIG_NET_VENDOR_REALTEK=y
# CONFIG_8139CP is not set
CONFIG_8139TOO=m
# CONFIG_8139TOO_PIO is not set
# CONFIG_8139TOO_TUNE_TWISTER is not set
# CONFIG_8139TOO_8129 is not set
# CONFIG_8139_OLD_RX_RESET is not set
CONFIG_R8169=m
CONFIG_NET_VENDOR_RDC=y
# CONFIG_R6040 is not set
CONFIG_NET_VENDOR_SEEQ=y
# CONFIG_SEEQ8005 is not set
CONFIG_NET_VENDOR_SILAN=y
CONFIG_SC92031=m
CONFIG_NET_VENDOR_SIS=y
# CONFIG_SIS900 is not set
# CONFIG_SIS190 is not set
# CONFIG_SFC is not set
CONFIG_NET_VENDOR_SMSC=y
# CONFIG_PCMCIA_SMC91C92 is not set
# CONFIG_EPIC100 is not set
# CONFIG_SMSC9420 is not set
CONFIG_NET_VENDOR_STMICRO=y
# CONFIG_STMMAC_ETH is not set
CONFIG_NET_VENDOR_SUN=y
CONFIG_HAPPYMEAL=m
CONFIG_SUNGEM=m
CONFIG_CASSINI=m
# CONFIG_NIU is not set
CONFIG_NET_VENDOR_TEHUTI=y
# CONFIG_TEHUTI is not set
CONFIG_NET_VENDOR_TI=y
CONFIG_TLAN=m
CONFIG_NET_VENDOR_VIA=y
CONFIG_VIA_RHINE=m
# CONFIG_VIA_RHINE_MMIO is not set
CONFIG_VIA_VELOCITY=m
CONFIG_NET_VENDOR_WIZNET=y
# CONFIG_WIZNET_W5100 is not set
# CONFIG_WIZNET_W5300 is not set
CONFIG_NET_VENDOR_XIRCOM=y
# CONFIG_PCMCIA_XIRC2PS is not set
CONFIG_FDDI=y
# CONFIG_DEFXX is not set
# CONFIG_SKFP is not set
# CONFIG_HIPPI is not set
# CONFIG_NET_SB1000 is not set
CONFIG_PHYLIB=y

#
# MII PHY device drivers
#
# CONFIG_AT803X_PHY is not set
# CONFIG_AMD_PHY is not set
CONFIG_MARVELL_PHY=m
CONFIG_DAVICOM_PHY=m
CONFIG_QSEMI_PHY=m
CONFIG_LXT_PHY=m
CONFIG_CICADA_PHY=m
CONFIG_VITESSE_PHY=m
CONFIG_SMSC_PHY=m
CONFIG_BROADCOM_PHY=m
# CONFIG_BCM87XX_PHY is not set
# CONFIG_ICPLUS_PHY is not set
# CONFIG_REALTEK_PHY is not set
# CONFIG_NATIONAL_PHY is not set
# CONFIG_STE10XP is not set
# CONFIG_LSI_ET1011C_PHY is not set
# CONFIG_MICREL_PHY is not set
CONFIG_FIXED_PHY=y
# CONFIG_MDIO_BITBANG is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set

#
# USB Network Adapters
#
# CONFIG_USB_CATC is not set
# CONFIG_USB_KAWETH is not set
# CONFIG_USB_PEGASUS is not set
# CONFIG_USB_RTL8150 is not set
# CONFIG_USB_USBNET is not set
# CONFIG_USB_HSO is not set
# CONFIG_USB_IPHETH is not set
# CONFIG_WLAN is not set

#
# Enable WiMAX (Networking options) to see the WiMAX drivers
#
# CONFIG_WAN is not set
CONFIG_XEN_NETDEV_FRONTEND=m
CONFIG_XEN_NETDEV_BACKEND=y
# CONFIG_VMXNET3 is not set
# CONFIG_ISDN is not set

#
# Input device support
#
CONFIG_INPUT=y
CONFIG_INPUT_FF_MEMLESS=m
# CONFIG_INPUT_POLLDEV is not set
CONFIG_INPUT_SPARSEKMAP=y
# CONFIG_INPUT_MATRIXKMAP is not set

#
# Userland interfaces
#
CONFIG_INPUT_MOUSEDEV=y
# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
# CONFIG_INPUT_JOYDEV is not set
CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_EVBUG is not set

#
# Input Device Drivers
#
CONFIG_INPUT_KEYBOARD=y
# CONFIG_KEYBOARD_ADP5588 is not set
# CONFIG_KEYBOARD_ADP5589 is not set
CONFIG_KEYBOARD_ATKBD=y
# CONFIG_KEYBOARD_QT1070 is not set
# CONFIG_KEYBOARD_QT2160 is not set
# CONFIG_KEYBOARD_LKKBD is not set
# CONFIG_KEYBOARD_TCA6416 is not set
# CONFIG_KEYBOARD_TCA8418 is not set
# CONFIG_KEYBOARD_LM8323 is not set
# CONFIG_KEYBOARD_LM8333 is not set
# CONFIG_KEYBOARD_MAX7359 is not set
# CONFIG_KEYBOARD_MCS is not set
# CONFIG_KEYBOARD_MPR121 is not set
# CONFIG_KEYBOARD_NEWTON is not set
# CONFIG_KEYBOARD_OPENCORES is not set
# CONFIG_KEYBOARD_STOWAWAY is not set
# CONFIG_KEYBOARD_SUNKBD is not set
# CONFIG_KEYBOARD_XTKBD is not set
CONFIG_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=y
CONFIG_MOUSE_PS2_ALPS=y
CONFIG_MOUSE_PS2_LOGIPS2PP=y
CONFIG_MOUSE_PS2_SYNAPTICS=y
CONFIG_MOUSE_PS2_LIFEBOOK=y
CONFIG_MOUSE_PS2_TRACKPOINT=y
# CONFIG_MOUSE_PS2_ELANTECH is not set
# CONFIG_MOUSE_PS2_SENTELIC is not set
# CONFIG_MOUSE_PS2_TOUCHKIT is not set
# CONFIG_MOUSE_SERIAL is not set
# CONFIG_MOUSE_APPLETOUCH is not set
# CONFIG_MOUSE_BCM5974 is not set
# CONFIG_MOUSE_VSXXXAA is not set
# CONFIG_MOUSE_SYNAPTICS_I2C is not set
# CONFIG_MOUSE_SYNAPTICS_USB is not set
CONFIG_INPUT_JOYSTICK=y
# CONFIG_JOYSTICK_ANALOG is not set
# CONFIG_JOYSTICK_A3D is not set
# CONFIG_JOYSTICK_ADI is not set
# CONFIG_JOYSTICK_COBRA is not set
# CONFIG_JOYSTICK_GF2K is not set
# CONFIG_JOYSTICK_GRIP is not set
# CONFIG_JOYSTICK_GRIP_MP is not set
# CONFIG_JOYSTICK_GUILLEMOT is not set
# CONFIG_JOYSTICK_INTERACT is not set
# CONFIG_JOYSTICK_SIDEWINDER is not set
# CONFIG_JOYSTICK_TMDC is not set
# CONFIG_JOYSTICK_IFORCE is not set
# CONFIG_JOYSTICK_WARRIOR is not set
# CONFIG_JOYSTICK_MAGELLAN is not set
# CONFIG_JOYSTICK_SPACEORB is not set
# CONFIG_JOYSTICK_SPACEBALL is not set
# CONFIG_JOYSTICK_STINGER is not set
# CONFIG_JOYSTICK_TWIDJOY is not set
# CONFIG_JOYSTICK_ZHENHUA is not set
# CONFIG_JOYSTICK_AS5011 is not set
# CONFIG_JOYSTICK_JOYDUMP is not set
# CONFIG_JOYSTICK_XPAD is not set
CONFIG_INPUT_TABLET=y
# CONFIG_TABLET_USB_ACECAD is not set
# CONFIG_TABLET_USB_AIPTEK is not set
# CONFIG_TABLET_USB_GTCO is not set
# CONFIG_TABLET_USB_HANWANG is not set
# CONFIG_TABLET_USB_KBTAB is not set
# CONFIG_TABLET_USB_WACOM is not set
# CONFIG_INPUT_TOUCHSCREEN is not set
CONFIG_INPUT_MISC=y
# CONFIG_INPUT_AD714X is not set
# CONFIG_INPUT_BMA150 is not set
# CONFIG_INPUT_PCSPKR is not set
# CONFIG_INPUT_MMA8450 is not set
# CONFIG_INPUT_MPU3050 is not set
# CONFIG_INPUT_APANEL is not set
# CONFIG_INPUT_ATLAS_BTNS is not set
# CONFIG_INPUT_ATI_REMOTE2 is not set
# CONFIG_INPUT_KEYSPAN_REMOTE is not set
# CONFIG_INPUT_KXTJ9 is not set
# CONFIG_INPUT_POWERMATE is not set
# CONFIG_INPUT_YEALINK is not set
# CONFIG_INPUT_CM109 is not set
# CONFIG_INPUT_UINPUT is not set
# CONFIG_INPUT_PCF8574 is not set
# CONFIG_INPUT_ADXL34X is not set
# CONFIG_INPUT_CMA3000 is not set
CONFIG_INPUT_XEN_KBDDEV_FRONTEND=m

#
# Hardware I/O ports
#
CONFIG_SERIO=y
CONFIG_SERIO_I8042=y
CONFIG_SERIO_SERPORT=y
# CONFIG_SERIO_CT82C710 is not set
# CONFIG_SERIO_PCIPS2 is not set
CONFIG_SERIO_LIBPS2=y
# CONFIG_SERIO_RAW is not set
# CONFIG_SERIO_ALTERA_PS2 is not set
# CONFIG_SERIO_PS2MULT is not set
# CONFIG_SERIO_ARC_PS2 is not set
# CONFIG_GAMEPORT is not set

#
# Character devices
#
CONFIG_VT=y
CONFIG_CONSOLE_TRANSLATIONS=y
CONFIG_VT_CONSOLE=y
CONFIG_VT_CONSOLE_SLEEP=y
CONFIG_HW_CONSOLE=y
# CONFIG_VT_HW_CONSOLE_BINDING is not set
CONFIG_UNIX98_PTYS=y
# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
# CONFIG_SERIAL_NONSTANDARD is not set
# CONFIG_NOZOMI is not set
# CONFIG_N_GSM is not set
# CONFIG_TRACE_SINK is not set
CONFIG_DEVKMEM=y

#
# Serial drivers
#
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_PNP=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_SERIAL_8250_PCI=y
CONFIG_SERIAL_8250_CS=m
CONFIG_SERIAL_8250_NR_UARTS=16
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_MANY_PORTS=y
CONFIG_SERIAL_8250_SHARE_IRQ=y
# CONFIG_SERIAL_8250_DETECT_IRQ is not set
# CONFIG_SERIAL_8250_RSA is not set

#
# Non-8250 serial port support
#
# CONFIG_SERIAL_KGDB_NMI is not set
# CONFIG_SERIAL_MFD_HSU is not set
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_CONSOLE_POLL=y
# CONFIG_SERIAL_JSM is not set
# CONFIG_SERIAL_SCCNXP is not set
# CONFIG_SERIAL_TIMBERDALE is not set
# CONFIG_SERIAL_ALTERA_JTAGUART is not set
# CONFIG_SERIAL_ALTERA_UART is not set
# CONFIG_SERIAL_PCH_UART is not set
# CONFIG_SERIAL_ARC is not set
CONFIG_HVC_DRIVER=y
CONFIG_HVC_IRQ=y
CONFIG_HVC_XEN=y
CONFIG_HVC_XEN_FRONTEND=y
CONFIG_VIRTIO_CONSOLE=y
# CONFIG_IPMI_HANDLER is not set
CONFIG_HW_RANDOM=y
# CONFIG_HW_RANDOM_TIMERIOMEM is not set
# CONFIG_HW_RANDOM_INTEL is not set
# CONFIG_HW_RANDOM_AMD is not set
CONFIG_HW_RANDOM_VIA=y
CONFIG_HW_RANDOM_VIRTIO=m
CONFIG_HW_RANDOM_TPM=y
CONFIG_NVRAM=y
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set

#
# PCMCIA character devices
#
# CONFIG_SYNCLINK_CS is not set
# CONFIG_CARDMAN_4000 is not set
# CONFIG_CARDMAN_4040 is not set
# CONFIG_IPWIRELESS is not set
# CONFIG_MWAVE is not set
# CONFIG_RAW_DRIVER is not set
CONFIG_HPET=y
# CONFIG_HPET_MMAP is not set
# CONFIG_HANGCHECK_TIMER is not set
CONFIG_TCG_TPM=y
CONFIG_TCG_TIS=m
# CONFIG_TCG_TIS_I2C_INFINEON is not set
CONFIG_TCG_NSC=m
CONFIG_TCG_ATMEL=m
CONFIG_TCG_INFINEON=m
# CONFIG_TELCLOCK is not set
CONFIG_DEVPORT=y
CONFIG_I2C=y
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_COMPAT=y
# CONFIG_I2C_CHARDEV is not set
# CONFIG_I2C_MUX is not set
CONFIG_I2C_HELPER_AUTO=y
CONFIG_I2C_ALGOBIT=y

#
# I2C Hardware Bus support
#

#
# PC SMBus host controller drivers
#
# CONFIG_I2C_ALI1535 is not set
# CONFIG_I2C_ALI1563 is not set
# CONFIG_I2C_ALI15X3 is not set
# CONFIG_I2C_AMD756 is not set
# CONFIG_I2C_AMD8111 is not set
CONFIG_I2C_I801=y
# CONFIG_I2C_ISCH is not set
# CONFIG_I2C_PIIX4 is not set
# CONFIG_I2C_NFORCE2 is not set
# CONFIG_I2C_SIS5595 is not set
# CONFIG_I2C_SIS630 is not set
# CONFIG_I2C_SIS96X is not set
# CONFIG_I2C_VIA is not set
# CONFIG_I2C_VIAPRO is not set

#
# ACPI drivers
#
# CONFIG_I2C_SCMI is not set

#
# I2C system bus drivers (mostly embedded / system-on-chip)
#
# CONFIG_I2C_DESIGNWARE_PCI is not set
# CONFIG_I2C_EG20T is not set
# CONFIG_I2C_INTEL_MID is not set
# CONFIG_I2C_OCORES is not set
# CONFIG_I2C_PCA_PLATFORM is not set
# CONFIG_I2C_PXA_PCI is not set
# CONFIG_I2C_SIMTEC is not set
# CONFIG_I2C_XILINX is not set

#
# External I2C/SMBus adapter drivers
#
# CONFIG_I2C_DIOLAN_U2C is not set
# CONFIG_I2C_PARPORT_LIGHT is not set
# CONFIG_I2C_TAOS_EVM is not set
# CONFIG_I2C_TINY_USB is not set

#
# Other I2C/SMBus bus drivers
#
# CONFIG_I2C_STUB is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
# CONFIG_SPI is not set
# CONFIG_HSI is not set

#
# PPS support
#
CONFIG_PPS=y
# CONFIG_PPS_DEBUG is not set

#
# PPS clients support
#
# CONFIG_PPS_CLIENT_KTIMER is not set
# CONFIG_PPS_CLIENT_LDISC is not set
# CONFIG_PPS_CLIENT_GPIO is not set

#
# PPS generators support
#

#
# PTP clock support
#
CONFIG_PTP_1588_CLOCK=y

#
# Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks.
#
# CONFIG_PTP_1588_CLOCK_PCH is not set
CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
# CONFIG_GPIOLIB is not set
# CONFIG_W1 is not set
CONFIG_POWER_SUPPLY=y
# CONFIG_POWER_SUPPLY_DEBUG is not set
# CONFIG_PDA_POWER is not set
# CONFIG_TEST_POWER is not set
# CONFIG_BATTERY_DS2780 is not set
# CONFIG_BATTERY_DS2781 is not set
# CONFIG_BATTERY_DS2782 is not set
# CONFIG_BATTERY_SBS is not set
# CONFIG_BATTERY_BQ27x00 is not set
# CONFIG_BATTERY_MAX17040 is not set
# CONFIG_BATTERY_MAX17042 is not set
# CONFIG_CHARGER_MAX8903 is not set
# CONFIG_CHARGER_LP8727 is not set
# CONFIG_CHARGER_BQ2415X is not set
# CONFIG_CHARGER_SMB347 is not set
# CONFIG_POWER_RESET is not set
# CONFIG_POWER_AVS is not set
CONFIG_HWMON=y
# CONFIG_HWMON_VID is not set
# CONFIG_HWMON_DEBUG_CHIP is not set

#
# Native drivers
#
# CONFIG_SENSORS_ABITUGURU is not set
# CONFIG_SENSORS_ABITUGURU3 is not set
# CONFIG_SENSORS_AD7414 is not set
# CONFIG_SENSORS_AD7418 is not set
# CONFIG_SENSORS_ADM1021 is not set
# CONFIG_SENSORS_ADM1025 is not set
# CONFIG_SENSORS_ADM1026 is not set
# CONFIG_SENSORS_ADM1029 is not set
# CONFIG_SENSORS_ADM1031 is not set
# CONFIG_SENSORS_ADM9240 is not set
# CONFIG_SENSORS_ADT7410 is not set
# CONFIG_SENSORS_ADT7411 is not set
# CONFIG_SENSORS_ADT7462 is not set
# CONFIG_SENSORS_ADT7470 is not set
# CONFIG_SENSORS_ADT7475 is not set
# CONFIG_SENSORS_ASC7621 is not set
# CONFIG_SENSORS_K8TEMP is not set
# CONFIG_SENSORS_K10TEMP is not set
# CONFIG_SENSORS_FAM15H_POWER is not set
# CONFIG_SENSORS_ASB100 is not set
# CONFIG_SENSORS_ATXP1 is not set
# CONFIG_SENSORS_DS620 is not set
# CONFIG_SENSORS_DS1621 is not set
# CONFIG_SENSORS_I5K_AMB is not set
# CONFIG_SENSORS_F71805F is not set
# CONFIG_SENSORS_F71882FG is not set
# CONFIG_SENSORS_F75375S is not set
# CONFIG_SENSORS_FSCHMD is not set
# CONFIG_SENSORS_G760A is not set
# CONFIG_SENSORS_GL518SM is not set
# CONFIG_SENSORS_GL520SM is not set
# CONFIG_SENSORS_HIH6130 is not set
# CONFIG_SENSORS_CORETEMP is not set
# CONFIG_SENSORS_IT87 is not set
# CONFIG_SENSORS_JC42 is not set
# CONFIG_SENSORS_LINEAGE is not set
# CONFIG_SENSORS_LM63 is not set
# CONFIG_SENSORS_LM73 is not set
# CONFIG_SENSORS_LM75 is not set
# CONFIG_SENSORS_LM77 is not set
# CONFIG_SENSORS_LM78 is not set
# CONFIG_SENSORS_LM80 is not set
# CONFIG_SENSORS_LM83 is not set
# CONFIG_SENSORS_LM85 is not set
# CONFIG_SENSORS_LM87 is not set
# CONFIG_SENSORS_LM90 is not set
# CONFIG_SENSORS_LM92 is not set
# CONFIG_SENSORS_LM93 is not set
# CONFIG_SENSORS_LTC4151 is not set
# CONFIG_SENSORS_LTC4215 is not set
# CONFIG_SENSORS_LTC4245 is not set
# CONFIG_SENSORS_LTC4261 is not set
# CONFIG_SENSORS_LM95241 is not set
# CONFIG_SENSORS_LM95245 is not set
# CONFIG_SENSORS_MAX16065 is not set
# CONFIG_SENSORS_MAX1619 is not set
# CONFIG_SENSORS_MAX1668 is not set
# CONFIG_SENSORS_MAX197 is not set
# CONFIG_SENSORS_MAX6639 is not set
# CONFIG_SENSORS_MAX6642 is not set
# CONFIG_SENSORS_MAX6650 is not set
# CONFIG_SENSORS_MCP3021 is not set
# CONFIG_SENSORS_NTC_THERMISTOR is not set
# CONFIG_SENSORS_PC87360 is not set
# CONFIG_SENSORS_PC87427 is not set
# CONFIG_SENSORS_PCF8591 is not set
# CONFIG_PMBUS is not set
# CONFIG_SENSORS_SHT21 is not set
# CONFIG_SENSORS_SIS5595 is not set
# CONFIG_SENSORS_SMM665 is not set
# CONFIG_SENSORS_DME1737 is not set
# CONFIG_SENSORS_EMC1403 is not set
# CONFIG_SENSORS_EMC2103 is not set
# CONFIG_SENSORS_EMC6W201 is not set
# CONFIG_SENSORS_SMSC47M1 is not set
# CONFIG_SENSORS_SMSC47M192 is not set
# CONFIG_SENSORS_SMSC47B397 is not set
# CONFIG_SENSORS_SCH56XX_COMMON is not set
# CONFIG_SENSORS_ADS1015 is not set
# CONFIG_SENSORS_ADS7828 is not set
# CONFIG_SENSORS_AMC6821 is not set
# CONFIG_SENSORS_INA2XX is not set
# CONFIG_SENSORS_THMC50 is not set
# CONFIG_SENSORS_TMP102 is not set
# CONFIG_SENSORS_TMP401 is not set
# CONFIG_SENSORS_TMP421 is not set
# CONFIG_SENSORS_VIA_CPUTEMP is not set
# CONFIG_SENSORS_VIA686A is not set
# CONFIG_SENSORS_VT1211 is not set
# CONFIG_SENSORS_VT8231 is not set
# CONFIG_SENSORS_W83781D is not set
# CONFIG_SENSORS_W83791D is not set
# CONFIG_SENSORS_W83792D is not set
# CONFIG_SENSORS_W83793 is not set
# CONFIG_SENSORS_W83795 is not set
# CONFIG_SENSORS_W83L785TS is not set
# CONFIG_SENSORS_W83L786NG is not set
# CONFIG_SENSORS_W83627HF is not set
# CONFIG_SENSORS_W83627EHF is not set
# CONFIG_SENSORS_APPLESMC is not set

#
# ACPI drivers
#
# CONFIG_SENSORS_ACPI_POWER is not set
# CONFIG_SENSORS_ATK0110 is not set
CONFIG_THERMAL=y
CONFIG_THERMAL_HWMON=y
CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE=y
# CONFIG_THERMAL_DEFAULT_GOV_FAIR_SHARE is not set
# CONFIG_THERMAL_DEFAULT_GOV_USER_SPACE is not set
# CONFIG_FAIR_SHARE is not set
CONFIG_STEP_WISE=y
# CONFIG_USER_SPACE is not set
# CONFIG_CPU_THERMAL is not set
# CONFIG_WATCHDOG is not set
CONFIG_SSB_POSSIBLE=y

#
# Sonics Silicon Backplane
#
# CONFIG_SSB is not set
CONFIG_BCMA_POSSIBLE=y

#
# Broadcom specific AMBA
#
# CONFIG_BCMA is not set

#
# Multifunction device drivers
#
# CONFIG_MFD_CORE is not set
# CONFIG_MFD_88PM860X is not set
# CONFIG_MFD_88PM800 is not set
# CONFIG_MFD_88PM805 is not set
# CONFIG_MFD_SM501 is not set
# CONFIG_MFD_RTSX_PCI is not set
# CONFIG_MFD_TI_AM335X_TSCADC is not set
# CONFIG_HTC_PASIC3 is not set
# CONFIG_MFD_LM3533 is not set
# CONFIG_TPS6105X is not set
# CONFIG_TPS6507X is not set
# CONFIG_MFD_TPS65217 is not set
# CONFIG_MFD_TPS6586X is not set
# CONFIG_MFD_TPS80031 is not set
# CONFIG_TWL4030_CORE is not set
# CONFIG_TWL6040_CORE is not set
# CONFIG_MFD_STMPE is not set
# CONFIG_MFD_TC3589X is not set
# CONFIG_MFD_TMIO is not set
# CONFIG_MFD_SMSC is not set
# CONFIG_PMIC_DA903X is not set
# CONFIG_MFD_DA9052_I2C is not set
# CONFIG_MFD_DA9055 is not set
# CONFIG_PMIC_ADP5520 is not set
# CONFIG_MFD_LP8788 is not set
# CONFIG_MFD_MAX77686 is not set
# CONFIG_MFD_MAX77693 is not set
# CONFIG_MFD_MAX8907 is not set
# CONFIG_MFD_MAX8925 is not set
# CONFIG_MFD_MAX8997 is not set
# CONFIG_MFD_MAX8998 is not set
# CONFIG_MFD_SEC_CORE is not set
# CONFIG_MFD_ARIZONA_I2C is not set
# CONFIG_MFD_WM8400 is not set
# CONFIG_MFD_WM831X_I2C is not set
# CONFIG_MFD_WM8350_I2C is not set
# CONFIG_MFD_WM8994 is not set
# CONFIG_MFD_PCF50633 is not set
# CONFIG_MFD_MC13XXX_I2C is not set
# CONFIG_ABX500_CORE is not set
# CONFIG_MFD_CS5535 is not set
# CONFIG_LPC_SCH is not set
# CONFIG_LPC_ICH is not set
# CONFIG_MFD_RDC321X is not set
# CONFIG_MFD_JANZ_CMODIO is not set
# CONFIG_MFD_VX855 is not set
# CONFIG_MFD_WL1273_CORE is not set
# CONFIG_MFD_TPS65090 is not set
# CONFIG_MFD_RC5T583 is not set
# CONFIG_MFD_PALMAS is not set
# CONFIG_MFD_VIPERBOARD is not set
# CONFIG_MFD_RETU is not set
# CONFIG_MFD_AS3711 is not set
# CONFIG_REGULATOR is not set
# CONFIG_MEDIA_SUPPORT is not set

#
# Graphics support
#
CONFIG_AGP=y
CONFIG_AGP_AMD64=y
CONFIG_AGP_INTEL=y
CONFIG_AGP_SIS=y
CONFIG_AGP_VIA=y
CONFIG_VGA_ARB=y
CONFIG_VGA_ARB_MAX_GPUS=16
CONFIG_VGA_SWITCHEROO=y
CONFIG_DRM=y
CONFIG_DRM_KMS_HELPER=m
# CONFIG_DRM_LOAD_EDID_FIRMWARE is not set
CONFIG_DRM_TTM=m
# CONFIG_DRM_TDFX is not set
# CONFIG_DRM_R128 is not set
CONFIG_DRM_RADEON=m
CONFIG_DRM_RADEON_KMS=y
CONFIG_DRM_NOUVEAU=m
CONFIG_NOUVEAU_DEBUG=5
CONFIG_NOUVEAU_DEBUG_DEFAULT=3
# CONFIG_DRM_NOUVEAU_BACKLIGHT is not set

#
# I2C encoder or helper chips
#
CONFIG_DRM_I2C_CH7006=m
CONFIG_DRM_I2C_SIL164=m
# CONFIG_DRM_I810 is not set
CONFIG_DRM_I915=m
CONFIG_DRM_I915_KMS=y
CONFIG_DRM_MGA=m
CONFIG_DRM_SIS=m
CONFIG_DRM_VIA=m
CONFIG_DRM_SAVAGE=m
# CONFIG_DRM_VMWGFX is not set
# CONFIG_DRM_GMA500 is not set
# CONFIG_DRM_UDL is not set
# CONFIG_DRM_AST is not set
# CONFIG_DRM_MGAG200 is not set
# CONFIG_DRM_CIRRUS_QEMU is not set
# CONFIG_STUB_POULSBO is not set
# CONFIG_VGASTATE is not set
CONFIG_VIDEO_OUTPUT_CONTROL=y
CONFIG_FB=y
# CONFIG_FIRMWARE_EDID is not set
# CONFIG_FB_DDC is not set
# CONFIG_FB_BOOT_VESA_SUPPORT is not set
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
CONFIG_FB_SYS_FILLRECT=m
CONFIG_FB_SYS_COPYAREA=m
CONFIG_FB_SYS_IMAGEBLIT=m
# CONFIG_FB_FOREIGN_ENDIAN is not set
CONFIG_FB_SYS_FOPS=m
# CONFIG_FB_WMT_GE_ROPS is not set
CONFIG_FB_DEFERRED_IO=y
# CONFIG_FB_SVGALIB is not set
# CONFIG_FB_MACMODES is not set
# CONFIG_FB_BACKLIGHT is not set
CONFIG_FB_MODE_HELPERS=y
CONFIG_FB_TILEBLITTING=y

#
# Frame buffer hardware drivers
#
CONFIG_FB_CIRRUS=y
# CONFIG_FB_PM2 is not set
# CONFIG_FB_CYBER2000 is not set
# CONFIG_FB_ARC is not set
# CONFIG_FB_ASILIANT is not set
# CONFIG_FB_IMSTT is not set
# CONFIG_FB_VGA16 is not set
# CONFIG_FB_UVESA is not set
# CONFIG_FB_VESA is not set
CONFIG_FB_EFI=y
# CONFIG_FB_N411 is not set
# CONFIG_FB_HGA is not set
# CONFIG_FB_S1D13XXX is not set
# CONFIG_FB_NVIDIA is not set
# CONFIG_FB_RIVA is not set
# CONFIG_FB_I740 is not set
# CONFIG_FB_LE80578 is not set
# CONFIG_FB_MATROX is not set
# CONFIG_FB_RADEON is not set
# CONFIG_FB_ATY128 is not set
# CONFIG_FB_ATY is not set
# CONFIG_FB_S3 is not set
# CONFIG_FB_SAVAGE is not set
# CONFIG_FB_SIS is not set
# CONFIG_FB_VIA is not set
# CONFIG_FB_NEOMAGIC is not set
# CONFIG_FB_KYRO is not set
# CONFIG_FB_3DFX is not set
# CONFIG_FB_VOODOO1 is not set
# CONFIG_FB_VT8623 is not set
# CONFIG_FB_TRIDENT is not set
# CONFIG_FB_ARK is not set
# CONFIG_FB_PM3 is not set
# CONFIG_FB_CARMINE is not set
# CONFIG_FB_GEODE is not set
# CONFIG_FB_SMSCUFX is not set
# CONFIG_FB_UDL is not set
# CONFIG_FB_VIRTUAL is not set
CONFIG_XEN_FBDEV_FRONTEND=m
# CONFIG_FB_METRONOME is not set
# CONFIG_FB_MB862XX is not set
# CONFIG_FB_BROADSHEET is not set
# CONFIG_FB_AUO_K190X is not set
# CONFIG_EXYNOS_VIDEO is not set
CONFIG_BACKLIGHT_LCD_SUPPORT=y
# CONFIG_LCD_CLASS_DEVICE is not set
CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_BACKLIGHT_GENERIC=y
# CONFIG_BACKLIGHT_APPLE is not set
# CONFIG_BACKLIGHT_SAHARA is not set
# CONFIG_BACKLIGHT_ADP8860 is not set
# CONFIG_BACKLIGHT_ADP8870 is not set
# CONFIG_BACKLIGHT_LM3630 is not set
# CONFIG_BACKLIGHT_LM3639 is not set
# CONFIG_BACKLIGHT_LP855X is not set

#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
# CONFIG_VGACON_SOFT_SCROLLBACK is not set
CONFIG_DUMMY_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE=m
CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
# CONFIG_FONTS is not set
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y
# CONFIG_LOGO is not set
# CONFIG_SOUND is not set

#
# HID support
#
CONFIG_HID=m
CONFIG_HIDRAW=y
# CONFIG_UHID is not set
CONFIG_HID_GENERIC=m

#
# Special HID drivers
#
CONFIG_HID_A4TECH=m
# CONFIG_HID_ACRUX is not set
CONFIG_HID_APPLE=m
# CONFIG_HID_AUREAL is not set
CONFIG_HID_BELKIN=m
CONFIG_HID_CHERRY=m
CONFIG_HID_CHICONY=m
CONFIG_HID_CYPRESS=m
# CONFIG_HID_DRAGONRISE is not set
# CONFIG_HID_EMS_FF is not set
CONFIG_HID_EZKEY=m
# CONFIG_HID_HOLTEK is not set
# CONFIG_HID_KEYTOUCH is not set
# CONFIG_HID_KYE is not set
# CONFIG_HID_UCLOGIC is not set
# CONFIG_HID_WALTOP is not set
CONFIG_HID_GYRATION=m
# CONFIG_HID_TWINHAN is not set
CONFIG_HID_KENSINGTON=m
# CONFIG_HID_LCPOWER is not set
# CONFIG_HID_LENOVO_TPKBD is not set
CONFIG_HID_LOGITECH=m
# CONFIG_HID_LOGITECH_DJ is not set
CONFIG_LOGITECH_FF=y
# CONFIG_LOGIRUMBLEPAD2_FF is not set
# CONFIG_LOGIG940_FF is not set
CONFIG_LOGIWHEELS_FF=y
CONFIG_HID_MICROSOFT=m
CONFIG_HID_MONTEREY=m
# CONFIG_HID_MULTITOUCH is not set
CONFIG_HID_NTRIG=m
# CONFIG_HID_ORTEK is not set
CONFIG_HID_PANTHERLORD=m
CONFIG_PANTHERLORD_FF=y
CONFIG_HID_PETALYNX=m
# CONFIG_HID_PICOLCD is not set
# CONFIG_HID_PRIMAX is not set
# CONFIG_HID_ROCCAT is not set
# CONFIG_HID_SAITEK is not set
CONFIG_HID_SAMSUNG=m
CONFIG_HID_SONY=m
# CONFIG_HID_SPEEDLINK is not set
CONFIG_HID_SUNPLUS=m
# CONFIG_HID_GREENASIA is not set
# CONFIG_HID_SMARTJOYPLUS is not set
# CONFIG_HID_TIVO is not set
CONFIG_HID_TOPSEED=m
# CONFIG_HID_THRUSTMASTER is not set
# CONFIG_HID_ZEROPLUS is not set
# CONFIG_HID_ZYDACRON is not set
# CONFIG_HID_SENSOR_HUB is not set

#
# USB HID support
#
CONFIG_USB_HID=m
CONFIG_HID_PID=y
CONFIG_USB_HIDDEV=y

#
# I2C HID support
#
# CONFIG_I2C_HID is not set
CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB_ARCH_HAS_EHCI=y
CONFIG_USB_ARCH_HAS_XHCI=y
CONFIG_USB_SUPPORT=y
CONFIG_USB_COMMON=y
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB=y
CONFIG_USB_DEBUG=y
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y

#
# Miscellaneous USB options
#
# CONFIG_USB_DYNAMIC_MINORS is not set
CONFIG_USB_MON=y
# CONFIG_USB_WUSB_CBAF is not set

#
# USB Host Controller Drivers
#
# CONFIG_USB_C67X00_HCD is not set
# CONFIG_USB_XHCI_HCD is not set
CONFIG_USB_EHCI_HCD=y
# CONFIG_USB_EHCI_ROOT_HUB_TT is not set
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
CONFIG_USB_EHCI_PCI=y
# CONFIG_USB_OXU210HP_HCD is not set
# CONFIG_USB_ISP116X_HCD is not set
# CONFIG_USB_ISP1760_HCD is not set
# CONFIG_USB_ISP1362_HCD is not set
CONFIG_USB_OHCI_HCD=y
# CONFIG_USB_OHCI_HCD_PLATFORM is not set
# CONFIG_USB_EHCI_HCD_PLATFORM is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
CONFIG_USB_UHCI_HCD=y
# CONFIG_USB_SL811_HCD is not set
# CONFIG_USB_R8A66597_HCD is not set
# CONFIG_USB_CHIPIDEA is not set

#
# USB Device Class drivers
#
# CONFIG_USB_ACM is not set
CONFIG_USB_PRINTER=y
# CONFIG_USB_WDM is not set
# CONFIG_USB_TMC is not set

#
# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
#

#
# also be needed; see USB_STORAGE Help for more info
#
CONFIG_USB_STORAGE=m
# CONFIG_USB_STORAGE_DEBUG is not set
# CONFIG_USB_STORAGE_REALTEK is not set
# CONFIG_USB_STORAGE_DATAFAB is not set
# CONFIG_USB_STORAGE_FREECOM is not set
# CONFIG_USB_STORAGE_ISD200 is not set
# CONFIG_USB_STORAGE_USBAT is not set
# CONFIG_USB_STORAGE_SDDR09 is not set
# CONFIG_USB_STORAGE_SDDR55 is not set
# CONFIG_USB_STORAGE_JUMPSHOT is not set
# CONFIG_USB_STORAGE_ALAUDA is not set
# CONFIG_USB_STORAGE_ONETOUCH is not set
# CONFIG_USB_STORAGE_KARMA is not set
# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
# CONFIG_USB_STORAGE_ENE_UB6250 is not set

#
# USB Imaging devices
#
# CONFIG_USB_MDC800 is not set
# CONFIG_USB_MICROTEK is not set

#
# USB port drivers
#
# CONFIG_USB_SERIAL is not set

#
# USB Miscellaneous drivers
#
# CONFIG_USB_EMI62 is not set
# CONFIG_USB_EMI26 is not set
# CONFIG_USB_ADUTUX is not set
# CONFIG_USB_SEVSEG is not set
# CONFIG_USB_RIO500 is not set
# CONFIG_USB_LEGOTOWER is not set
# CONFIG_USB_LCD is not set
# CONFIG_USB_LED is not set
# CONFIG_USB_CYPRESS_CY7C63 is not set
# CONFIG_USB_CYTHERM is not set
# CONFIG_USB_IDMOUSE is not set
# CONFIG_USB_FTDI_ELAN is not set
# CONFIG_USB_APPLEDISPLAY is not set
# CONFIG_USB_SISUSBVGA is not set
# CONFIG_USB_LD is not set
# CONFIG_USB_TRANCEVIBRATOR is not set
# CONFIG_USB_IOWARRIOR is not set
# CONFIG_USB_TEST is not set
# CONFIG_USB_ISIGHTFW is not set
# CONFIG_USB_YUREX is not set
# CONFIG_USB_EZUSB_FX2 is not set

#
# USB Physical Layer drivers
#
# CONFIG_USB_ISP1301 is not set
# CONFIG_USB_RCAR_PHY is not set
# CONFIG_USB_GADGET is not set

#
# OTG and related infrastructure
#
# CONFIG_NOP_USB_XCEIV is not set
# CONFIG_UWB is not set
# CONFIG_MMC is not set
# CONFIG_MEMSTICK is not set
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y

#
# LED drivers
#
# CONFIG_LEDS_LM3530 is not set
# CONFIG_LEDS_LM3642 is not set
# CONFIG_LEDS_PCA9532 is not set
# CONFIG_LEDS_LP3944 is not set
# CONFIG_LEDS_LP5521 is not set
# CONFIG_LEDS_LP5523 is not set
# CONFIG_LEDS_CLEVO_MAIL is not set
# CONFIG_LEDS_PCA955X is not set
# CONFIG_LEDS_PCA9633 is not set
# CONFIG_LEDS_BD2802 is not set
# CONFIG_LEDS_INTEL_SS4200 is not set
# CONFIG_LEDS_DELL_NETBOOKS is not set
# CONFIG_LEDS_TCA6507 is not set
# CONFIG_LEDS_LM355x is not set
# CONFIG_LEDS_OT200 is not set
# CONFIG_LEDS_BLINKM is not set
# CONFIG_LEDS_TRIGGERS is not set

#
# LED Triggers
#
# CONFIG_ACCESSIBILITY is not set
# CONFIG_INFINIBAND is not set
CONFIG_EDAC=y

#
# Reporting subsystems
#
CONFIG_EDAC_LEGACY_SYSFS=y
# CONFIG_EDAC_DEBUG is not set
CONFIG_EDAC_DECODE_MCE=y
# CONFIG_EDAC_MCE_INJ is not set
# CONFIG_EDAC_MM_EDAC is not set
CONFIG_RTC_LIB=y
CONFIG_RTC_CLASS=y
# CONFIG_RTC_HCTOSYS is not set
# CONFIG_RTC_DEBUG is not set

#
# RTC interfaces
#
CONFIG_RTC_INTF_SYSFS=y
CONFIG_RTC_INTF_PROC=y
CONFIG_RTC_INTF_DEV=y
# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
# CONFIG_RTC_DRV_TEST is not set

#
# I2C RTC drivers
#
# CONFIG_RTC_DRV_DS1307 is not set
# CONFIG_RTC_DRV_DS1374 is not set
# CONFIG_RTC_DRV_DS1672 is not set
# CONFIG_RTC_DRV_DS3232 is not set
# CONFIG_RTC_DRV_MAX6900 is not set
# CONFIG_RTC_DRV_RS5C372 is not set
# CONFIG_RTC_DRV_ISL1208 is not set
# CONFIG_RTC_DRV_ISL12022 is not set
# CONFIG_RTC_DRV_X1205 is not set
# CONFIG_RTC_DRV_PCF8523 is not set
# CONFIG_RTC_DRV_PCF8563 is not set
# CONFIG_RTC_DRV_PCF8583 is not set
# CONFIG_RTC_DRV_M41T80 is not set
# CONFIG_RTC_DRV_BQ32K is not set
# CONFIG_RTC_DRV_S35390A is not set
# CONFIG_RTC_DRV_FM3130 is not set
# CONFIG_RTC_DRV_RX8581 is not set
# CONFIG_RTC_DRV_RX8025 is not set
# CONFIG_RTC_DRV_EM3027 is not set
# CONFIG_RTC_DRV_RV3029C2 is not set

#
# SPI RTC drivers
#

#
# Platform RTC drivers
#
CONFIG_RTC_DRV_CMOS=y
# CONFIG_RTC_DRV_DS1286 is not set
# CONFIG_RTC_DRV_DS1511 is not set
# CONFIG_RTC_DRV_DS1553 is not set
# CONFIG_RTC_DRV_DS1742 is not set
# CONFIG_RTC_DRV_STK17TA8 is not set
# CONFIG_RTC_DRV_M48T86 is not set
# CONFIG_RTC_DRV_M48T35 is not set
# CONFIG_RTC_DRV_M48T59 is not set
# CONFIG_RTC_DRV_MSM6242 is not set
# CONFIG_RTC_DRV_BQ4802 is not set
# CONFIG_RTC_DRV_RP5C01 is not set
# CONFIG_RTC_DRV_V3020 is not set
# CONFIG_RTC_DRV_DS2404 is not set

#
# on-CPU RTC drivers
#
CONFIG_DMADEVICES=y
# CONFIG_DMADEVICES_DEBUG is not set

#
# DMA Devices
#
# CONFIG_INTEL_MID_DMAC is not set
CONFIG_INTEL_IOATDMA=y
# CONFIG_TIMB_DMA is not set
# CONFIG_PCH_DMA is not set
CONFIG_DMA_ENGINE=y

#
# DMA Clients
#
CONFIG_NET_DMA=y
CONFIG_ASYNC_TX_DMA=y
# CONFIG_DMATEST is not set
CONFIG_DCA=y
# CONFIG_AUXDISPLAY is not set
# CONFIG_UIO is not set
# CONFIG_VFIO is not set
CONFIG_VIRTIO=y

#
# Virtio drivers
#
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_BALLOON=y
CONFIG_VIRTIO_MMIO=y
# CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES is not set

#
# Microsoft Hyper-V guest support
#
# CONFIG_HYPERV is not set

#
# Xen driver support
#
CONFIG_XEN_BALLOON=y
CONFIG_XEN_SELFBALLOONING=y
# CONFIG_XEN_BALLOON_MEMORY_HOTPLUG is not set
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_XEN_DEV_EVTCHN=m
CONFIG_XEN_BACKEND=y
CONFIG_XENFS=m
CONFIG_XEN_COMPAT_XENFS=y
CONFIG_XEN_SYS_HYPERVISOR=y
CONFIG_XEN_XENBUS_FRONTEND=y
CONFIG_XEN_GNTDEV=y
CONFIG_XEN_GRANT_DEV_ALLOC=y
CONFIG_SWIOTLB_XEN=y
CONFIG_XEN_TMEM=y
CONFIG_XEN_PCIDEV_BACKEND=y
CONFIG_XEN_PRIVCMD=m
CONFIG_XEN_ACPI_PROCESSOR=y
CONFIG_XEN_MCE_LOG=y
CONFIG_XEN_HAVE_PVMMU=y
CONFIG_STAGING=y
# CONFIG_ET131X is not set
# CONFIG_SLICOSS is not set
# CONFIG_USBIP_CORE is not set
# CONFIG_ECHO is not set
# CONFIG_COMEDI is not set
# CONFIG_ASUS_OLED is not set
# CONFIG_RTS5139 is not set
# CONFIG_TRANZPORT is not set
# CONFIG_IDE_PHISON is not set
# CONFIG_DX_SEP is not set
CONFIG_ZRAM=y
# CONFIG_ZRAM_DEBUG is not set
CONFIG_ZCACHE=y
CONFIG_ZSMALLOC=y
# CONFIG_FB_SM7XX is not set
# CONFIG_CRYSTALHD is not set
# CONFIG_FB_XGI is not set
# CONFIG_ACPI_QUICKSTART is not set
# CONFIG_USB_ENESTORAGE is not set
# CONFIG_BCM_WIMAX is not set
# CONFIG_FT1000 is not set

#
# Speakup console speech
#
# CONFIG_SPEAKUP is not set
# CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4 is not set
# CONFIG_STAGING_MEDIA is not set

#
# Android
#
# CONFIG_ANDROID is not set
# CONFIG_USB_WPAN_HCD is not set
# CONFIG_WIMAX_GDM72XX is not set
CONFIG_NET_VENDOR_SILICOM=y
# CONFIG_SBYPASS is not set
# CONFIG_BPCTL is not set
# CONFIG_CED1401 is not set
# CONFIG_DGRP is not set
# CONFIG_SB105X is not set
CONFIG_X86_PLATFORM_DEVICES=y
# CONFIG_ACER_WMI is not set
# CONFIG_ACERHDF is not set
# CONFIG_ASUS_LAPTOP is not set
# CONFIG_DELL_WMI is not set
# CONFIG_DELL_WMI_AIO is not set
# CONFIG_FUJITSU_LAPTOP is not set
# CONFIG_FUJITSU_TABLET is not set
# CONFIG_AMILO_RFKILL is not set
# CONFIG_HP_ACCEL is not set
# CONFIG_HP_WMI is not set
# CONFIG_MSI_LAPTOP is not set
# CONFIG_PANASONIC_LAPTOP is not set
# CONFIG_COMPAL_LAPTOP is not set
# CONFIG_SONY_LAPTOP is not set
# CONFIG_IDEAPAD_LAPTOP is not set
# CONFIG_THINKPAD_ACPI is not set
# CONFIG_SENSORS_HDAPS is not set
# CONFIG_INTEL_MENLOW is not set
CONFIG_EEEPC_LAPTOP=y
# CONFIG_ASUS_WMI is not set
CONFIG_ACPI_WMI=m
# CONFIG_MSI_WMI is not set
# CONFIG_TOPSTAR_LAPTOP is not set
# CONFIG_ACPI_TOSHIBA is not set
# CONFIG_TOSHIBA_BT_RFKILL is not set
# CONFIG_ACPI_CMPC is not set
# CONFIG_INTEL_IPS is not set
# CONFIG_IBM_RTL is not set
# CONFIG_XO15_EBOOK is not set
# CONFIG_SAMSUNG_LAPTOP is not set
CONFIG_MXM_WMI=m
# CONFIG_INTEL_OAKTRAIL is not set
# CONFIG_SAMSUNG_Q10 is not set
# CONFIG_APPLE_GMUX is not set

#
# Hardware Spinlock drivers
#
CONFIG_CLKEVT_I8253=y
CONFIG_I8253_LOCK=y
CONFIG_CLKBLD_I8253=y
CONFIG_IOMMU_API=y
CONFIG_IOMMU_SUPPORT=y
CONFIG_AMD_IOMMU=y
CONFIG_AMD_IOMMU_STATS=y
# CONFIG_AMD_IOMMU_V2 is not set
CONFIG_DMAR_TABLE=y
CONFIG_INTEL_IOMMU=y
# CONFIG_INTEL_IOMMU_DEFAULT_ON is not set
CONFIG_INTEL_IOMMU_FLOPPY_WA=y
# CONFIG_IRQ_REMAP is not set

#
# Remoteproc drivers (EXPERIMENTAL)
#
# CONFIG_STE_MODEM_RPROC is not set

#
# Rpmsg drivers (EXPERIMENTAL)
#
# CONFIG_VIRT_DRIVERS is not set
# CONFIG_PM_DEVFREQ is not set
# CONFIG_EXTCON is not set
# CONFIG_MEMORY is not set
# CONFIG_IIO is not set
# CONFIG_VME_BUS is not set
# CONFIG_PWM is not set
# CONFIG_IPACK_BUS is not set

#
# Firmware Drivers
#
CONFIG_EDD=m
# CONFIG_EDD_OFF is not set
CONFIG_FIRMWARE_MEMMAP=y
CONFIG_EFI_VARS=y
# CONFIG_DELL_RBU is not set
# CONFIG_DCDBAS is not set
CONFIG_DMIID=y
# CONFIG_DMI_SYSFS is not set
CONFIG_ISCSI_IBFT_FIND=y
CONFIG_ISCSI_IBFT=m
# CONFIG_GOOGLE_FIRMWARE is not set

#
# File systems
#
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_EXT2_FS=m
CONFIG_EXT2_FS_XATTR=y
CONFIG_EXT2_FS_POSIX_ACL=y
CONFIG_EXT2_FS_SECURITY=y
CONFIG_EXT2_FS_XIP=y
CONFIG_EXT3_FS=m
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
CONFIG_EXT3_FS_XATTR=y
CONFIG_EXT3_FS_POSIX_ACL=y
CONFIG_EXT3_FS_SECURITY=y
CONFIG_EXT4_FS=m
CONFIG_EXT4_FS_POSIX_ACL=y
CONFIG_EXT4_FS_SECURITY=y
# CONFIG_EXT4_DEBUG is not set
CONFIG_FS_XIP=y
CONFIG_JBD=m
# CONFIG_JBD_DEBUG is not set
CONFIG_JBD2=m
# CONFIG_JBD2_DEBUG is not set
CONFIG_FS_MBCACHE=m
CONFIG_REISERFS_FS=m
# CONFIG_REISERFS_CHECK is not set
CONFIG_REISERFS_PROC_INFO=y
CONFIG_REISERFS_FS_XATTR=y
CONFIG_REISERFS_FS_POSIX_ACL=y
CONFIG_REISERFS_FS_SECURITY=y
CONFIG_JFS_FS=m
CONFIG_JFS_POSIX_ACL=y
CONFIG_JFS_SECURITY=y
# CONFIG_JFS_DEBUG is not set
CONFIG_JFS_STATISTICS=y
CONFIG_XFS_FS=m
# CONFIG_XFS_QUOTA is not set
CONFIG_XFS_POSIX_ACL=y
# CONFIG_XFS_RT is not set
# CONFIG_XFS_DEBUG is not set
# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_BTRFS_FS is not set
# CONFIG_NILFS2_FS is not set
CONFIG_FS_POSIX_ACL=y
CONFIG_EXPORTFS=m
CONFIG_FILE_LOCKING=y
CONFIG_FSNOTIFY=y
CONFIG_DNOTIFY=y
CONFIG_INOTIFY_USER=y
# CONFIG_FANOTIFY is not set
CONFIG_QUOTA=y
CONFIG_QUOTA_NETLINK_INTERFACE=y
# CONFIG_PRINT_QUOTA_WARNING is not set
# CONFIG_QUOTA_DEBUG is not set
CONFIG_QUOTA_TREE=y
# CONFIG_QFMT_V1 is not set
CONFIG_QFMT_V2=y
CONFIG_QUOTACTL=y
CONFIG_QUOTACTL_COMPAT=y
CONFIG_AUTOFS4_FS=y
# CONFIG_FUSE_FS is not set
CONFIG_GENERIC_ACL=y

#
# Caches
#
# CONFIG_FSCACHE is not set

#
# CD-ROM/DVD Filesystems
#
CONFIG_ISO9660_FS=y
CONFIG_JOLIET=y
CONFIG_ZISOFS=y
# CONFIG_UDF_FS is not set

#
# DOS/FAT/NT Filesystems
#
CONFIG_FAT_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
CONFIG_NTFS_FS=y
# CONFIG_NTFS_DEBUG is not set
CONFIG_NTFS_RW=y

#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_PROC_VMCORE=y
CONFIG_PROC_SYSCTL=y
CONFIG_PROC_PAGE_MONITOR=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_TMPFS_XATTR=y
CONFIG_HUGETLBFS=y
CONFIG_HUGETLB_PAGE=y
CONFIG_CONFIGFS_FS=m
CONFIG_MISC_FILESYSTEMS=y
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_ECRYPT_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_HFSPLUS_FS is not set
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_LOGFS is not set
# CONFIG_CRAMFS is not set
# CONFIG_SQUASHFS is not set
# CONFIG_VXFS_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_OMFS_FS is not set
# CONFIG_HPFS_FS is not set
# CONFIG_QNX4FS_FS is not set
# CONFIG_QNX6FS_FS is not set
# CONFIG_ROMFS_FS is not set
CONFIG_PSTORE=y
# CONFIG_PSTORE_CONSOLE is not set
# CONFIG_PSTORE_RAM is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
# CONFIG_F2FS_FS is not set
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V2=y
CONFIG_NFS_V3=y
CONFIG_NFS_V3_ACL=y
CONFIG_NFS_V4=y
# CONFIG_NFS_SWAP is not set
# CONFIG_NFS_V4_1 is not set
CONFIG_ROOT_NFS=y
# CONFIG_NFS_USE_LEGACY_DNS is not set
CONFIG_NFS_USE_KERNEL_DNS=y
# CONFIG_NFSD is not set
CONFIG_LOCKD=y
CONFIG_LOCKD_V4=y
CONFIG_NFS_ACL_SUPPORT=y
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=y
CONFIG_SUNRPC_GSS=y
# CONFIG_SUNRPC_DEBUG is not set
# CONFIG_CEPH_FS is not set
# CONFIG_CIFS is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="utf8"
CONFIG_NLS_CODEPAGE_437=y
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
# CONFIG_NLS_CODEPAGE_850 is not set
# CONFIG_NLS_CODEPAGE_852 is not set
# CONFIG_NLS_CODEPAGE_855 is not set
# CONFIG_NLS_CODEPAGE_857 is not set
# CONFIG_NLS_CODEPAGE_860 is not set
# CONFIG_NLS_CODEPAGE_861 is not set
# CONFIG_NLS_CODEPAGE_862 is not set
# CONFIG_NLS_CODEPAGE_863 is not set
# CONFIG_NLS_CODEPAGE_864 is not set
# CONFIG_NLS_CODEPAGE_865 is not set
# CONFIG_NLS_CODEPAGE_866 is not set
# CONFIG_NLS_CODEPAGE_869 is not set
# CONFIG_NLS_CODEPAGE_936 is not set
# CONFIG_NLS_CODEPAGE_950 is not set
# CONFIG_NLS_CODEPAGE_932 is not set
# CONFIG_NLS_CODEPAGE_949 is not set
# CONFIG_NLS_CODEPAGE_874 is not set
# CONFIG_NLS_ISO8859_8 is not set
# CONFIG_NLS_CODEPAGE_1250 is not set
# CONFIG_NLS_CODEPAGE_1251 is not set
CONFIG_NLS_ASCII=y
CONFIG_NLS_ISO8859_1=y
# CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set
# CONFIG_NLS_ISO8859_4 is not set
# CONFIG_NLS_ISO8859_5 is not set
# CONFIG_NLS_ISO8859_6 is not set
# CONFIG_NLS_ISO8859_7 is not set
# CONFIG_NLS_ISO8859_9 is not set
# CONFIG_NLS_ISO8859_13 is not set
# CONFIG_NLS_ISO8859_14 is not set
# CONFIG_NLS_ISO8859_15 is not set
# CONFIG_NLS_KOI8_R is not set
# CONFIG_NLS_KOI8_U is not set
# CONFIG_NLS_MAC_ROMAN is not set
# CONFIG_NLS_MAC_CELTIC is not set
# CONFIG_NLS_MAC_CENTEURO is not set
# CONFIG_NLS_MAC_CROATIAN is not set
# CONFIG_NLS_MAC_CYRILLIC is not set
# CONFIG_NLS_MAC_GAELIC is not set
# CONFIG_NLS_MAC_GREEK is not set
# CONFIG_NLS_MAC_ICELAND is not set
# CONFIG_NLS_MAC_INUIT is not set
# CONFIG_NLS_MAC_ROMANIAN is not set
# CONFIG_NLS_MAC_TURKISH is not set
CONFIG_NLS_UTF8=y
# CONFIG_DLM is not set

#
# Kernel hacking
#
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_PRINTK_TIME=y
CONFIG_DEFAULT_MESSAGE_LOGLEVEL=4
# CONFIG_ENABLE_WARN_DEPRECATED is not set
CONFIG_ENABLE_MUST_CHECK=y
CONFIG_FRAME_WARN=2048
CONFIG_MAGIC_SYSRQ=y
# CONFIG_STRIP_ASM_SYMS is not set
# CONFIG_READABLE_ASM is not set
# CONFIG_UNUSED_SYMBOLS is not set
CONFIG_DEBUG_FS=y
# CONFIG_HEADERS_CHECK is not set
# CONFIG_DEBUG_SECTION_MISMATCH is not set
CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_SHIRQ is not set
CONFIG_LOCKUP_DETECTOR=y
CONFIG_HARDLOCKUP_DETECTOR=y
# CONFIG_BOOTPARAM_HARDLOCKUP_PANIC is not set
CONFIG_BOOTPARAM_HARDLOCKUP_PANIC_VALUE=0
# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
# CONFIG_PANIC_ON_OOPS is not set
CONFIG_PANIC_ON_OOPS_VALUE=0
CONFIG_DETECT_HUNG_TASK=y
CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=120
# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
# CONFIG_SCHED_DEBUG is not set
CONFIG_SCHEDSTATS=y
CONFIG_TIMER_STATS=y
# CONFIG_DEBUG_OBJECTS is not set
# CONFIG_DEBUG_SLAB is not set
CONFIG_HAVE_DEBUG_KMEMLEAK=y
# CONFIG_DEBUG_KMEMLEAK is not set
# CONFIG_DEBUG_RT_MUTEXES is not set
# CONFIG_RT_MUTEX_TESTER is not set
# CONFIG_DEBUG_SPINLOCK is not set
# CONFIG_DEBUG_MUTEXES is not set
# CONFIG_DEBUG_LOCK_ALLOC is not set
# CONFIG_PROVE_LOCKING is not set
# CONFIG_SPARSE_RCU_POINTER is not set
# CONFIG_LOCK_STAT is not set
CONFIG_DEBUG_ATOMIC_SLEEP=y
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
CONFIG_STACKTRACE=y
CONFIG_DEBUG_STACK_USAGE=y
# CONFIG_DEBUG_KOBJECT is not set
CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_REDUCED=y
# CONFIG_DEBUG_VM is not set
# CONFIG_DEBUG_VIRTUAL is not set
# CONFIG_DEBUG_WRITECOUNT is not set
CONFIG_DEBUG_MEMORY_INIT=y
# CONFIG_DEBUG_LIST is not set
# CONFIG_TEST_LIST_SORT is not set
# CONFIG_DEBUG_SG is not set
# CONFIG_DEBUG_NOTIFIERS is not set
# CONFIG_DEBUG_CREDENTIALS is not set
CONFIG_ARCH_WANT_FRAME_POINTERS=y
CONFIG_FRAME_POINTER=y
# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_RCU_TORTURE_TEST is not set
CONFIG_RCU_CPU_STALL_TIMEOUT=21
# CONFIG_RCU_CPU_STALL_INFO is not set
# CONFIG_RCU_TRACE is not set
# CONFIG_KPROBES_SANITY_TEST is not set
# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
# CONFIG_DEBUG_PER_CPU_MAPS is not set
# CONFIG_LKDTM is not set
# CONFIG_NOTIFIER_ERROR_INJECTION is not set
CONFIG_FAULT_INJECTION=y
# CONFIG_FAILSLAB is not set
# CONFIG_FAIL_PAGE_ALLOC is not set
CONFIG_FAIL_MAKE_REQUEST=y
# CONFIG_FAIL_IO_TIMEOUT is not set
CONFIG_FAULT_INJECTION_DEBUG_FS=y
# CONFIG_LATENCYTOP is not set
# CONFIG_DEBUG_PAGEALLOC is not set
CONFIG_USER_STACKTRACE_SUPPORT=y
CONFIG_NOP_TRACER=y
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST=y
CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_HAVE_FENTRY=y
CONFIG_HAVE_C_RECORDMCOUNT=y
CONFIG_TRACE_CLOCK=y
CONFIG_RING_BUFFER=y
CONFIG_EVENT_TRACING=y
CONFIG_EVENT_POWER_TRACING_DEPRECATED=y
CONFIG_CONTEXT_SWITCH_TRACER=y
CONFIG_RING_BUFFER_ALLOW_SWAP=y
CONFIG_TRACING=y
CONFIG_GENERIC_TRACER=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
# CONFIG_FUNCTION_TRACER is not set
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_SCHED_TRACER is not set
# CONFIG_FTRACE_SYSCALLS is not set
CONFIG_BRANCH_PROFILE_NONE=y
# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
# CONFIG_PROFILE_ALL_BRANCHES is not set
# CONFIG_STACK_TRACER is not set
CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_KPROBE_EVENT=y
# CONFIG_UPROBE_EVENT is not set
CONFIG_PROBE_EVENTS=y
# CONFIG_FTRACE_STARTUP_TEST is not set
# CONFIG_MMIOTRACE is not set
# CONFIG_RING_BUFFER_BENCHMARK is not set
# CONFIG_RBTREE_TEST is not set
# CONFIG_INTERVAL_TREE_TEST is not set
CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
# CONFIG_DYNAMIC_DEBUG is not set
# CONFIG_DMA_API_DEBUG is not set
# CONFIG_ATOMIC64_SELFTEST is not set
# CONFIG_ASYNC_RAID6_TEST is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
CONFIG_KGDB=y
CONFIG_KGDB_SERIAL_CONSOLE=y
# CONFIG_KGDB_TESTS is not set
# CONFIG_KGDB_LOW_LEVEL_TRAP is not set
# CONFIG_KGDB_KDB is not set
CONFIG_HAVE_ARCH_KMEMCHECK=y
# CONFIG_KMEMCHECK is not set
# CONFIG_TEST_KSTRTOX is not set
# CONFIG_STRICT_DEVMEM is not set
CONFIG_X86_VERBOSE_BOOTUP=y
CONFIG_EARLY_PRINTK=y
CONFIG_EARLY_PRINTK_DBGP=y
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_X86_PTDUMP=y
CONFIG_DEBUG_RODATA=y
CONFIG_DEBUG_RODATA_TEST=y
CONFIG_DEBUG_SET_MODULE_RONX=y
# CONFIG_DEBUG_NX_TEST is not set
# CONFIG_DEBUG_TLBFLUSH is not set
# CONFIG_IOMMU_DEBUG is not set
# CONFIG_IOMMU_STRESS is not set
CONFIG_HAVE_MMIOTRACE_SUPPORT=y
# CONFIG_X86_DECODER_SELFTEST is not set
CONFIG_IO_DELAY_TYPE_0X80=0
CONFIG_IO_DELAY_TYPE_0XED=1
CONFIG_IO_DELAY_TYPE_UDELAY=2
CONFIG_IO_DELAY_TYPE_NONE=3
CONFIG_IO_DELAY_0X80=y
# CONFIG_IO_DELAY_0XED is not set
# CONFIG_IO_DELAY_UDELAY is not set
# CONFIG_IO_DELAY_NONE is not set
CONFIG_DEFAULT_IO_DELAY_TYPE=0
CONFIG_DEBUG_BOOT_PARAMS=y
# CONFIG_CPA_DEBUG is not set
CONFIG_OPTIMIZE_INLINING=y
# CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is not set
# CONFIG_DEBUG_NMI_SELFTEST is not set

#
# Security options
#
CONFIG_KEYS=y
# CONFIG_TRUSTED_KEYS is not set
# CONFIG_ENCRYPTED_KEYS is not set
CONFIG_KEYS_DEBUG_PROC_KEYS=y
# CONFIG_SECURITY_DMESG_RESTRICT is not set
CONFIG_SECURITY=y
CONFIG_SECURITYFS=y
CONFIG_SECURITY_NETWORK=y
# CONFIG_SECURITY_NETWORK_XFRM is not set
# CONFIG_SECURITY_PATH is not set
CONFIG_INTEL_TXT=y
CONFIG_LSM_MMAP_MIN_ADDR=65534
CONFIG_SECURITY_SELINUX=y
CONFIG_SECURITY_SELINUX_BOOTPARAM=y
CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=1
CONFIG_SECURITY_SELINUX_DISABLE=y
CONFIG_SECURITY_SELINUX_DEVELOP=y
CONFIG_SECURITY_SELINUX_AVC_STATS=y
CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1
# CONFIG_SECURITY_SELINUX_POLICYDB_VERSION_MAX is not set
# CONFIG_SECURITY_SMACK is not set
# CONFIG_SECURITY_TOMOYO is not set
# CONFIG_SECURITY_APPARMOR is not set
# CONFIG_SECURITY_YAMA is not set
# CONFIG_IMA is not set
# CONFIG_EVM is not set
CONFIG_DEFAULT_SECURITY_SELINUX=y
# CONFIG_DEFAULT_SECURITY_DAC is not set
CONFIG_DEFAULT_SECURITY="selinux"
CONFIG_XOR_BLOCKS=m
CONFIG_ASYNC_CORE=m
CONFIG_ASYNC_MEMCPY=m
CONFIG_ASYNC_XOR=m
CONFIG_ASYNC_PQ=m
CONFIG_ASYNC_RAID6_RECOV=m
CONFIG_ASYNC_TX_DISABLE_PQ_VAL_DMA=y
CONFIG_ASYNC_TX_DISABLE_XOR_VAL_DMA=y
CONFIG_CRYPTO=y

#
# Crypto core or helper
#
CONFIG_CRYPTO_ALGAPI=y
CONFIG_CRYPTO_ALGAPI2=y
CONFIG_CRYPTO_AEAD=y
CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_BLKCIPHER=y
CONFIG_CRYPTO_BLKCIPHER2=y
CONFIG_CRYPTO_HASH=y
CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_PCOMP=y
CONFIG_CRYPTO_PCOMP2=y
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_MANAGER2=y
# CONFIG_CRYPTO_USER is not set
CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y
# CONFIG_CRYPTO_GF128MUL is not set
# CONFIG_CRYPTO_NULL is not set
# CONFIG_CRYPTO_PCRYPT is not set
CONFIG_CRYPTO_WORKQUEUE=y
# CONFIG_CRYPTO_CRYPTD is not set
CONFIG_CRYPTO_AUTHENC=y
# CONFIG_CRYPTO_TEST is not set

#
# Authenticated Encryption with Associated Data
#
# CONFIG_CRYPTO_CCM is not set
# CONFIG_CRYPTO_GCM is not set
# CONFIG_CRYPTO_SEQIV is not set

#
# Block modes
#
CONFIG_CRYPTO_CBC=y
# CONFIG_CRYPTO_CTR is not set
# CONFIG_CRYPTO_CTS is not set
# CONFIG_CRYPTO_ECB is not set
# CONFIG_CRYPTO_LRW is not set
# CONFIG_CRYPTO_PCBC is not set
# CONFIG_CRYPTO_XTS is not set

#
# Hash modes
#
CONFIG_CRYPTO_HMAC=y
# CONFIG_CRYPTO_XCBC is not set
# CONFIG_CRYPTO_VMAC is not set

#
# Digest
#
CONFIG_CRYPTO_CRC32C=m
CONFIG_CRYPTO_CRC32C_X86_64=y
CONFIG_CRYPTO_CRC32C_INTEL=m
# CONFIG_CRYPTO_GHASH is not set
# CONFIG_CRYPTO_MD4 is not set
CONFIG_CRYPTO_MD5=y
# CONFIG_CRYPTO_MICHAEL_MIC is not set
# CONFIG_CRYPTO_RMD128 is not set
# CONFIG_CRYPTO_RMD160 is not set
# CONFIG_CRYPTO_RMD256 is not set
# CONFIG_CRYPTO_RMD320 is not set
CONFIG_CRYPTO_SHA1=y
# CONFIG_CRYPTO_SHA1_SSSE3 is not set
# CONFIG_CRYPTO_SHA256 is not set
# CONFIG_CRYPTO_SHA512 is not set
# CONFIG_CRYPTO_TGR192 is not set
# CONFIG_CRYPTO_WP512 is not set
# CONFIG_CRYPTO_GHASH_CLMUL_NI_INTEL is not set

#
# Ciphers
#
CONFIG_CRYPTO_AES=y
# CONFIG_CRYPTO_AES_X86_64 is not set
# CONFIG_CRYPTO_AES_NI_INTEL is not set
# CONFIG_CRYPTO_ANUBIS is not set
# CONFIG_CRYPTO_ARC4 is not set
# CONFIG_CRYPTO_BLOWFISH is not set
# CONFIG_CRYPTO_BLOWFISH_X86_64 is not set
# CONFIG_CRYPTO_CAMELLIA is not set
# CONFIG_CRYPTO_CAMELLIA_X86_64 is not set
# CONFIG_CRYPTO_CAMELLIA_AESNI_AVX_X86_64 is not set
# CONFIG_CRYPTO_CAST5 is not set
# CONFIG_CRYPTO_CAST5_AVX_X86_64 is not set
# CONFIG_CRYPTO_CAST6 is not set
# CONFIG_CRYPTO_CAST6_AVX_X86_64 is not set
CONFIG_CRYPTO_DES=y
# CONFIG_CRYPTO_FCRYPT is not set
# CONFIG_CRYPTO_KHAZAD is not set
# CONFIG_CRYPTO_SALSA20 is not set
# CONFIG_CRYPTO_SALSA20_X86_64 is not set
# CONFIG_CRYPTO_SEED is not set
# CONFIG_CRYPTO_SERPENT is not set
# CONFIG_CRYPTO_SERPENT_SSE2_X86_64 is not set
# CONFIG_CRYPTO_SERPENT_AVX_X86_64 is not set
# CONFIG_CRYPTO_TEA is not set
# CONFIG_CRYPTO_TWOFISH is not set
# CONFIG_CRYPTO_TWOFISH_X86_64 is not set
# CONFIG_CRYPTO_TWOFISH_X86_64_3WAY is not set
# CONFIG_CRYPTO_TWOFISH_AVX_X86_64 is not set

#
# Compression
#
# CONFIG_CRYPTO_DEFLATE is not set
CONFIG_CRYPTO_ZLIB=y
CONFIG_CRYPTO_LZO=y

#
# Random Number Generation
#
# CONFIG_CRYPTO_ANSI_CPRNG is not set
# CONFIG_CRYPTO_USER_API_HASH is not set
# CONFIG_CRYPTO_USER_API_SKCIPHER is not set
CONFIG_CRYPTO_HW=y
# CONFIG_CRYPTO_DEV_PADLOCK is not set
# CONFIG_ASYMMETRIC_KEY_TYPE is not set
CONFIG_HAVE_KVM=y
CONFIG_HAVE_KVM_IRQCHIP=y
CONFIG_HAVE_KVM_EVENTFD=y
CONFIG_KVM_APIC_ARCHITECTURE=y
CONFIG_KVM_MMIO=y
CONFIG_KVM_ASYNC_PF=y
CONFIG_HAVE_KVM_MSI=y
CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT=y
CONFIG_VIRTUALIZATION=y
CONFIG_KVM=y
CONFIG_KVM_INTEL=m
CONFIG_KVM_AMD=m
# CONFIG_KVM_MMU_AUDIT is not set
CONFIG_VHOST_NET=y
# CONFIG_TCM_VHOST is not set
CONFIG_BINARY_PRINTF=y

#
# Library routines
#
CONFIG_RAID6_PQ=m
CONFIG_BITREVERSE=y
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GENERIC_FIND_FIRST_BIT=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_IOMAP=y
CONFIG_GENERIC_IO=y
CONFIG_PERCPU_RWSEM=y
CONFIG_CRC_CCITT=m
CONFIG_CRC16=m
CONFIG_CRC_T10DIF=m
# CONFIG_CRC_ITU_T is not set
CONFIG_CRC32=y
# CONFIG_CRC32_SELFTEST is not set
CONFIG_CRC32_SLICEBY8=y
# CONFIG_CRC32_SLICEBY4 is not set
# CONFIG_CRC32_SARWATE is not set
# CONFIG_CRC32_BIT is not set
# CONFIG_CRC7 is not set
CONFIG_LIBCRC32C=m
# CONFIG_CRC8 is not set
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_LZO_COMPRESS=y
CONFIG_LZO_DECOMPRESS=y
CONFIG_XZ_DEC=y
CONFIG_XZ_DEC_X86=y
CONFIG_XZ_DEC_POWERPC=y
CONFIG_XZ_DEC_IA64=y
CONFIG_XZ_DEC_ARM=y
CONFIG_XZ_DEC_ARMTHUMB=y
CONFIG_XZ_DEC_SPARC=y
CONFIG_XZ_DEC_BCJ=y
# CONFIG_XZ_DEC_TEST is not set
CONFIG_DECOMPRESS_GZIP=y
CONFIG_DECOMPRESS_BZIP2=y
CONFIG_DECOMPRESS_LZMA=y
CONFIG_DECOMPRESS_XZ=y
CONFIG_DECOMPRESS_LZO=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_DMA=y
CONFIG_CHECK_SIGNATURE=y
CONFIG_CPU_RMAP=y
CONFIG_DQL=y
CONFIG_NLATTR=y
CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
# CONFIG_AVERAGE is not set
# CONFIG_CORDIC is not set
# CONFIG_DDR is not set

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Yinghai Lu]

On Sat, Dec 22, 2012 at 5:24 AM, Konrad Rzeszutek Wilk
<konrad.wilk@oracle.com> wrote:
>
> Interestingly enough I only see this on any AMD machine - different
> motherboards, different memory configurations.
>
> And also in a HVM guest running on an AMD machine. If it runs on Intel
> it works just fine.

Found the reason,

-v11: change far jmp back to far return to initial_code, that is needed
     to fix failure that is reported by Konard on AMD system.

works well on on AMD 4 sockets that I found.

update the for-x86-boot branch, please check that.
     git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git
for-x86-boot

Thanks a lot for the testing on AMD system.

Yinghai

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[H. Peter Anvin]

Explanation please?

Yinghai Lu <yinghai@kernel.org> wrote:

>On Sat, Dec 22, 2012 at 5:24 AM, Konrad Rzeszutek Wilk
><konrad.wilk@oracle.com> wrote:
>>
>> Interestingly enough I only see this on any AMD machine - different
>> motherboards, different memory configurations.
>>
>> And also in a HVM guest running on an AMD machine. If it runs on
>Intel
>> it works just fine.
>
>Found the reason,
>
>-v11: change far jmp back to far return to initial_code, that is needed
>     to fix failure that is reported by Konard on AMD system.
>
>works well on on AMD 4 sockets that I found.
>
>update the for-x86-boot branch, please check that.
>git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git
>for-x86-boot
>
>Thanks a lot for the testing on AMD system.
>
>Yinghai

-- 
Sent from my mobile phone. Please excuse brevity and lack of formatting.

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Yinghai Lu]

On Sun, Dec 23, 2012 at 6:33 AM, H. Peter Anvin <hpa@zytor.com> wrote:
> Explanation please?
>

you have following change in the patch

        /* Finally jump to run C code and to be on real kernel address
         * Since we are running on identity-mapped space we have to jump
         * to the full 64bit address, this is only possible as indirect
         * jump.  In addition we need to ensure %cs is set so we make this
-        * a far return.
+        * a far jump.
         */
-       movq    initial_code(%rip),%rax
        pushq   $0              # fake return address to stop unwinder
-       pushq   $__KERNEL_CS    # set correct cs
-       pushq   %rax            # target address in negative space
-       lretq
+       /* gas 2.22 is buggy and mis-assembles ljmpq */
+       rex64 ljmp *initial_code(%rip)

 #ifdef CONFIG_HOTPLUG_CPU
 /*

remove that change, AMD systems works again.

Yinghai

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Borislav Petkov]

On Sun, Dec 23, 2012 at 10:00:26AM -0800, Yinghai Lu wrote:
> On Sun, Dec 23, 2012 at 6:33 AM, H. Peter Anvin <hpa@zytor.com> wrote:
> > Explanation please?
>
> you have following change in the patch
> 
>         /* Finally jump to run C code and to be on real kernel address
>          * Since we are running on identity-mapped space we have to jump
>          * to the full 64bit address, this is only possible as indirect
>          * jump.  In addition we need to ensure %cs is set so we make this
> -        * a far return.
> +        * a far jump.
>          */
> -       movq    initial_code(%rip),%rax
>         pushq   $0              # fake return address to stop unwinder
> -       pushq   $__KERNEL_CS    # set correct cs
> -       pushq   %rax            # target address in negative space
> -       lretq
> +       /* gas 2.22 is buggy and mis-assembles ljmpq */
> +       rex64 ljmp *initial_code(%rip)
> 
>  #ifdef CONFIG_HOTPLUG_CPU
>  /*
> 
> remove that change, AMD systems works again.

Right, the original code did a RET FAR by popping CS and rIP from the
stack. And we did prepare the stack properly before that so it worked.

Now, the ljmp translates to a JMP FAR:

ffffffff8100016e:       48 ff 2d ab a5 7f 00    rex.W ljmpq *0x7fa5ab(%rip)        # ffffffff817fa720 <initial_code>
ffffffff81000175:       66 66 2e 0f 1f 84 00    data32 nopw %cs:0x0(%rax,%rax,1)
ffffffff8100017c:       00 00 00 00 

and in 64-bit mode it has for an operand a 16-bit selector followed by a
32-bit offset.

Now, Intel SDM says also this:

REX.W + FF /5 JMP m16:64 A Valid N.E. Jump far, absolute indirect,
address given in m16:64.

And I don't think AMD supports a 64-bit offset. At least I don't see it
in the APM where it has only:

JMP FAR mem16:16 FF /5 Far jump indirect, with the target specified by a far
                      pointer in memory.
JMP FAR mem16:32 FF /5 Far jump indirect, with the target specified by a far
pointer in memory.

This is at least what I can see at a quick scan. I could ask around if
AMD actually supports that FF /5 with a REX.W prefix and it is not only
a documentation omission.

HTH.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[H. Peter Anvin]

Makes sense.  Ljmpq it is.  A comment might be useful.

Borislav Petkov <bp@alien8.de> wrote:

>On Sun, Dec 23, 2012 at 10:00:26AM -0800, Yinghai Lu wrote:
>> On Sun, Dec 23, 2012 at 6:33 AM, H. Peter Anvin <hpa@zytor.com>
>wrote:
>> > Explanation please?
>>
>> you have following change in the patch
>> 
>>         /* Finally jump to run C code and to be on real kernel
>address
>>          * Since we are running on identity-mapped space we have to
>jump
>>          * to the full 64bit address, this is only possible as
>indirect
>>          * jump.  In addition we need to ensure %cs is set so we make
>this
>> -        * a far return.
>> +        * a far jump.
>>          */
>> -       movq    initial_code(%rip),%rax
>>         pushq   $0              # fake return address to stop
>unwinder
>> -       pushq   $__KERNEL_CS    # set correct cs
>> -       pushq   %rax            # target address in negative space
>> -       lretq
>> +       /* gas 2.22 is buggy and mis-assembles ljmpq */
>> +       rex64 ljmp *initial_code(%rip)
>> 
>>  #ifdef CONFIG_HOTPLUG_CPU
>>  /*
>> 
>> remove that change, AMD systems works again.
>
>Right, the original code did a RET FAR by popping CS and rIP from the
>stack. And we did prepare the stack properly before that so it worked.
>
>Now, the ljmp translates to a JMP FAR:
>
>ffffffff8100016e:       48 ff 2d ab a5 7f 00    rex.W ljmpq
>*0x7fa5ab(%rip)        # ffffffff817fa720 <initial_code>
>ffffffff81000175:       66 66 2e 0f 1f 84 00    data32 nopw
>%cs:0x0(%rax,%rax,1)
>ffffffff8100017c:       00 00 00 00 
>
>and in 64-bit mode it has for an operand a 16-bit selector followed by
>a
>32-bit offset.
>
>Now, Intel SDM says also this:
>
>REX.W + FF /5 JMP m16:64 A Valid N.E. Jump far, absolute indirect,
>address given in m16:64.
>
>And I don't think AMD supports a 64-bit offset. At least I don't see it
>in the APM where it has only:
>
>JMP FAR mem16:16 FF /5 Far jump indirect, with the target specified by
>a far
>                      pointer in memory.
>JMP FAR mem16:32 FF /5 Far jump indirect, with the target specified by
>a far
>pointer in memory.
>
>This is at least what I can see at a quick scan. I could ask around if
>AMD actually supports that FF /5 with a REX.W prefix and it is not only
>a documentation omission.
>
>HTH.

-- 
Sent from my mobile phone. Please excuse brevity and lack of formatting.

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[H. Peter Anvin]

Err, lretq it is.

Borislav Petkov <bp@alien8.de> wrote:

>On Sun, Dec 23, 2012 at 10:00:26AM -0800, Yinghai Lu wrote:
>> On Sun, Dec 23, 2012 at 6:33 AM, H. Peter Anvin <hpa@zytor.com>
>wrote:
>> > Explanation please?
>>
>> you have following change in the patch
>> 
>>         /* Finally jump to run C code and to be on real kernel
>address
>>          * Since we are running on identity-mapped space we have to
>jump
>>          * to the full 64bit address, this is only possible as
>indirect
>>          * jump.  In addition we need to ensure %cs is set so we make
>this
>> -        * a far return.
>> +        * a far jump.
>>          */
>> -       movq    initial_code(%rip),%rax
>>         pushq   $0              # fake return address to stop
>unwinder
>> -       pushq   $__KERNEL_CS    # set correct cs
>> -       pushq   %rax            # target address in negative space
>> -       lretq
>> +       /* gas 2.22 is buggy and mis-assembles ljmpq */
>> +       rex64 ljmp *initial_code(%rip)
>> 
>>  #ifdef CONFIG_HOTPLUG_CPU
>>  /*
>> 
>> remove that change, AMD systems works again.
>
>Right, the original code did a RET FAR by popping CS and rIP from the
>stack. And we did prepare the stack properly before that so it worked.
>
>Now, the ljmp translates to a JMP FAR:
>
>ffffffff8100016e:       48 ff 2d ab a5 7f 00    rex.W ljmpq
>*0x7fa5ab(%rip)        # ffffffff817fa720 <initial_code>
>ffffffff81000175:       66 66 2e 0f 1f 84 00    data32 nopw
>%cs:0x0(%rax,%rax,1)
>ffffffff8100017c:       00 00 00 00 
>
>and in 64-bit mode it has for an operand a 16-bit selector followed by
>a
>32-bit offset.
>
>Now, Intel SDM says also this:
>
>REX.W + FF /5 JMP m16:64 A Valid N.E. Jump far, absolute indirect,
>address given in m16:64.
>
>And I don't think AMD supports a 64-bit offset. At least I don't see it
>in the APM where it has only:
>
>JMP FAR mem16:16 FF /5 Far jump indirect, with the target specified by
>a far
>                      pointer in memory.
>JMP FAR mem16:32 FF /5 Far jump indirect, with the target specified by
>a far
>pointer in memory.
>
>This is at least what I can see at a quick scan. I could ask around if
>AMD actually supports that FF /5 with a REX.W prefix and it is not only
>a documentation omission.
>
>HTH.

-- 
Sent from my mobile phone. Please excuse brevity and lack of formatting.

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Borislav Petkov]

On Sun, Dec 23, 2012 at 08:54:37PM -0800, H. Peter Anvin wrote:
> Makes sense.  Ljmpq it is.  A comment might be useful.

Yes, a LRETQ comment is definitely useful so that we know. Yinghai,
please add it the next time you're rebasing. Btw, which branch is the
current one for that patchset so that people can review and test it?

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Yinghai Lu]

On Mon, Dec 24, 2012 at 2:04 AM, Borislav Petkov <bp@alien8.de> wrote:
> On Sun, Dec 23, 2012 at 08:54:37PM -0800, H. Peter Anvin wrote:
>> Makes sense.  Ljmpq it is.  A comment might be useful.
>
> Yes, a LRETQ comment is definitely useful so that we know. Yinghai,
> please add it the next time you're rebasing. Btw, which branch is the
> current one for that patchset so that people can review and test it?

for-x86-boot and it points to -v8 that does not break KGDB.

Re: [PATCH v7 24/27] x86: Add swiotlb force off support

[H. Peter Anvin]

On 12/21/2012 09:11 PM, Yinghai Lu wrote:
> On Fri, Dec 21, 2012 at 7:25 PM, H. Peter Anvin <hpa@zytor.com> wrote:
>> On 12/21/2012 07:23 PM, Eric W. Biederman wrote:
>>>
>>> In this case YH has been working on the case of loading a kernel
>>> completely above 4G, and apparently he has also been testing the case of
>>> running a kernel with no memory below 4G.
>>>
>>
>> It is worth noting that we cannot run with *no* memory below 4G -- it is
>> not possible to run SMP at least without some memory below the 1M mark.
> 
> yes need keep 8k or so for trampoline.
> 
> but kdump only use one CPU.
> 

... except we have an active request to change that, and the trampoline
is more like 20K depending on options.

	-hpa

Re: [PATCH v7 24/27] x86: Add swiotlb force off support

[Yinghai Lu]

On Mon, Dec 24, 2012 at 3:34 PM, H. Peter Anvin <hpa@zytor.com> wrote:
> On 12/21/2012 09:11 PM, Yinghai Lu wrote:
>> On Fri, Dec 21, 2012 at 7:25 PM, H. Peter Anvin <hpa@zytor.com> wrote:
>>> On 12/21/2012 07:23 PM, Eric W. Biederman wrote:
>>>>
>>>> In this case YH has been working on the case of loading a kernel
>>>> completely above 4G, and apparently he has also been testing the case of
>>>> running a kernel with no memory below 4G.
>>>>
>>>
>>> It is worth noting that we cannot run with *no* memory below 4G -- it is
>>> not possible to run SMP at least without some memory below the 1M mark.
>>
>> yes need keep 8k or so for trampoline.
>>
>> but kdump only use one CPU.
>>
>
> ... except we have an active request to change that, and the trampoline
> is more like 20K depending on options.

looks like we should not worry that this now.

kdump conf scripts always append some low range under 1M for second kernel.

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[H. Peter Anvin]

On 12/23/2012 10:00 AM, Yinghai Lu wrote:
> On Sun, Dec 23, 2012 at 6:33 AM, H. Peter Anvin <hpa@zytor.com> wrote:
>> Explanation please?
>>
> 
> you have following change in the patch
> 
>         /* Finally jump to run C code and to be on real kernel address
>          * Since we are running on identity-mapped space we have to jump
>          * to the full 64bit address, this is only possible as indirect
>          * jump.  In addition we need to ensure %cs is set so we make this
> -        * a far return.
> +        * a far jump.
>          */
> -       movq    initial_code(%rip),%rax
>         pushq   $0              # fake return address to stop unwinder
> -       pushq   $__KERNEL_CS    # set correct cs
> -       pushq   %rax            # target address in negative space
> -       lretq
> +       /* gas 2.22 is buggy and mis-assembles ljmpq */
> +       rex64 ljmp *initial_code(%rip)
> 
>  #ifdef CONFIG_HOTPLUG_CPU
>  /*
> 
> remove that change, AMD systems works again.
> 

That is not an explanation.

	-hpa

Re: [PATCH v7 06/27] x86, 64bit: early #PF handler set page table

[H. Peter Anvin]

On 12/20/2012 08:56 AM, Yinghai Lu wrote:
>>
>> So in that case, kgdb is broken and will need to be fixed up.  That
>> happens all the time with debugging tools.
>
> If there is a way that we can make all parties happy, we really should
> not break KGDB.
>
> Please reconsider to stop #PF handler in x86_64_start_kernel. in that case
> 1. microcode update still can use #PF handler to find microcode in
> ramdisk and use it.
> 2. kernel that is loaded above 4G, could set mapping in C instead of
> set that in head_64.S
>     and use ioremap to access zero_page
> 3. KGDB still can call early_trap_init early before init_mem_mapping.
>

Yinghai, this is total and utter bullshit.

We should *fix* kgdb, not pave around it.  I refuse to have kgdb be yet 
another Xen turning random kernel internals into ABIs.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[H. Peter Anvin]

On 12/22/2012 05:24 AM, Konrad Rzeszutek Wilk wrote:
>
> Interestingly enough I only see this on any AMD machine - different
> motherboards, different memory configurations.
>
> And also in a HVM guest running on an AMD machine. If it runs on Intel
> it works just fine.
>

Could this be the ljmpq problem that Borislav reported (Intel 
implemented ljmpq, AMD didn't, and I was tempted by a micro-optimization 
which broke AMD which made it into the patchset)?

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

Re: [PATCH v7 06/27] x86, 64bit: early #PF handler set page table

[Yinghai Lu]

On Mon, Dec 24, 2012 at 4:16 PM, H. Peter Anvin <hpa@zytor.com> wrote:
> On 12/20/2012 08:56 AM, Yinghai Lu wrote:
>>>
>>>
>>> So in that case, kgdb is broken and will need to be fixed up.  That
>>> happens all the time with debugging tools.
>>
>>
>> If there is a way that we can make all parties happy, we really should
>> not break KGDB.
>>
>> Please reconsider to stop #PF handler in x86_64_start_kernel. in that case
>> 1. microcode update still can use #PF handler to find microcode in
>> ramdisk and use it.
>> 2. kernel that is loaded above 4G, could set mapping in C instead of
>> set that in head_64.S
>>     and use ioremap to access zero_page
>> 3. KGDB still can call early_trap_init early before init_mem_mapping.
>>
>
> Yinghai, this is total and utter bullshit.
>
> We should *fix* kgdb, not pave around it.  I refuse to have kgdb be yet
> another Xen turning random kernel internals into ABIs.

well, I updated for-x86-boot-v7 that stop #PF handler after init_mem_mapping.

it has fix for AMD system aka reverting far jmp to ret.

Yinghai

Re: [PATCH v7 06/27] x86, 64bit: early #PF handler set page table

[Borislav Petkov]

On Mon, Dec 24, 2012 at 08:04:18PM -0800, Yinghai Lu wrote:
> well, I updated for-x86-boot-v7 that stop #PF handler after
> init_mem_mapping.
>
> it has fix for AMD system aka reverting far jmp to ret.

-v7?

You told me yesterday -v8 is the current branch. Do you have -v7 which
does break KGDB and -v8 which breaks it and both branches are current?

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Borislav Petkov]

On Mon, Dec 24, 2012 at 05:06:01PM -0800, H. Peter Anvin wrote:
> Could this be the ljmpq problem that Borislav reported
> (Intel implemented ljmpq, AMD didn't, and I was tempted by a
> micro-optimization which broke AMD which made it into the patchset)?

It has to be. Just booted Yinghai's -v8 in kvm on an AMD host and it
worked fine.

With the change below it keeps rebooting like I reported earlier. I'd go
out on a limb here and guess that the guest is triple-faulting due to an
unhandled #GP caused by an invalid opcode or similar.

---
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index d94f6d68be2a..1842d30c96a2 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -279,11 +279,8 @@ ENTRY(secondary_startup_64)
         *      REX.W + FF /5 JMP m16:64 Jump far, absolute indirect,
         *              address given in m16:64.
         */
-       movq    initial_code(%rip),%rax
        pushq   $0              # fake return address to stop unwinder
-       pushq   $__KERNEL_CS    # set correct cs
-       pushq   %rax            # target address in negative space
-       lretq
+       rex64 ljmp *initial_code(%rip)
 
 #ifdef CONFIG_HOTPLUG_CPU
 /*

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[H. Peter Anvin]

Right, it's the ljmpq issue.

Borislav Petkov <bp@alien8.de> wrote:

>On Mon, Dec 24, 2012 at 05:06:01PM -0800, H. Peter Anvin wrote:
>> Could this be the ljmpq problem that Borislav reported
>> (Intel implemented ljmpq, AMD didn't, and I was tempted by a
>> micro-optimization which broke AMD which made it into the patchset)?
>
>It has to be. Just booted Yinghai's -v8 in kvm on an AMD host and it
>worked fine.
>
>With the change below it keeps rebooting like I reported earlier. I'd
>go
>out on a limb here and guess that the guest is triple-faulting due to
>an
>unhandled #GP caused by an invalid opcode or similar.
>
>---
>diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
>index d94f6d68be2a..1842d30c96a2 100644
>--- a/arch/x86/kernel/head_64.S
>+++ b/arch/x86/kernel/head_64.S
>@@ -279,11 +279,8 @@ ENTRY(secondary_startup_64)
>         *      REX.W + FF /5 JMP m16:64 Jump far, absolute indirect,
>         *              address given in m16:64.
>         */
>-       movq    initial_code(%rip),%rax
>        pushq   $0              # fake return address to stop unwinder
>-       pushq   $__KERNEL_CS    # set correct cs
>-       pushq   %rax            # target address in negative space
>-       lretq
>+       rex64 ljmp *initial_code(%rip)
> 
> #ifdef CONFIG_HOTPLUG_CPU
> /*

-- 
Sent from my mobile phone. Please excuse brevity and lack of formatting.

Re: [PATCH v7 06/27] x86, 64bit: early #PF handler set page table

[Yinghai Lu]

On Tue, Dec 25, 2012 at 3:20 AM, Borislav Petkov <bp@alien8.de> wrote:
> On Mon, Dec 24, 2012 at 08:04:18PM -0800, Yinghai Lu wrote:
>> well, I updated for-x86-boot-v7 that stop #PF handler after
>> init_mem_mapping.
>>
>> it has fix for AMD system aka reverting far jmp to ret.
>
> -v7?
>
> You told me yesterday -v8 is the current branch. Do you have -v7 which
> does break KGDB and -v8 which breaks it and both branches are current?
>

-v7: stop #PF handler after init_mem_mapping, so it could break KGDB,
if someone try to use mdump.
-v8: stop #PF handler before x86_64_start_reservations.

Now both have be updated and could work with AMD platform after drop
the change with lretq aka keep lretq.

Yinghai

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Yinghai Lu]

On Mon, Dec 24, 2012 at 3:56 PM, H. Peter Anvin <hpa@zytor.com> wrote:
> On 12/23/2012 10:00 AM, Yinghai Lu wrote:
>> On Sun, Dec 23, 2012 at 6:33 AM, H. Peter Anvin <hpa@zytor.com> wrote:
>>> Explanation please?
>>>
>>
>> you have following change in the patch
>>
>>         /* Finally jump to run C code and to be on real kernel address
>>          * Since we are running on identity-mapped space we have to jump
>>          * to the full 64bit address, this is only possible as indirect
>>          * jump.  In addition we need to ensure %cs is set so we make this
>> -        * a far return.
>> +        * a far jump.
>>          */
>> -       movq    initial_code(%rip),%rax
>>         pushq   $0              # fake return address to stop unwinder
>> -       pushq   $__KERNEL_CS    # set correct cs
>> -       pushq   %rax            # target address in negative space
>> -       lretq
>> +       /* gas 2.22 is buggy and mis-assembles ljmpq */
>> +       rex64 ljmp *initial_code(%rip)
>>
>>  #ifdef CONFIG_HOTPLUG_CPU
>>  /*
>>
>> remove that change, AMD systems works again.
>>
>
> That is not an explanation.

what do you mean?

Konrad reported the problem, and I dig out one AMD system and
duplicated the problem.
and found the patch cause the problem, then add serial out in the
file, and turns out
that reset happen just after those lines, so I revert those lines, and
it boots well again.

Yinghai

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Borislav Petkov]

On Tue, Dec 25, 2012 at 07:51:54AM -0800, H. Peter Anvin wrote:
> Right, it's the ljmpq issue.
> 
> Borislav Petkov <bp@alien8.de> wrote:
> 
> >On Mon, Dec 24, 2012 at 05:06:01PM -0800, H. Peter Anvin wrote:
> >> Could this be the ljmpq problem that Borislav reported
> >> (Intel implemented ljmpq, AMD didn't, and I was tempted by a
> >> micro-optimization which broke AMD which made it into the patchset)?
> >
> >It has to be. Just booted Yinghai's -v8 in kvm on an AMD host and it
> >worked fine.
> >
> >With the change below it keeps rebooting like I reported earlier. I'd
> >go
> >out on a limb here and guess that the guest is triple-faulting due to
> >an
> >unhandled #GP caused by an invalid opcode or similar.
> >
> >---
> >diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
> >index d94f6d68be2a..1842d30c96a2 100644
> >--- a/arch/x86/kernel/head_64.S
> >+++ b/arch/x86/kernel/head_64.S
> >@@ -279,11 +279,8 @@ ENTRY(secondary_startup_64)
> >         *      REX.W + FF /5 JMP m16:64 Jump far, absolute indirect,
> >         *              address given in m16:64.
> >         */
> >-       movq    initial_code(%rip),%rax
> >        pushq   $0              # fake return address to stop unwinder
> >-       pushq   $__KERNEL_CS    # set correct cs
> >-       pushq   %rax            # target address in negative space
> >-       lretq
> >+       rex64 ljmp *initial_code(%rip)
> > 
> > #ifdef CONFIG_HOTPLUG_CPU

Btw, I'm being told that we could also do a JMP FAR through a call
gate in 64-bit mode. Basically, the insn operand contains a CS:OFFSET
whereas the OFFSET is ignored but only CS is looked at. It has to point
to a call gate descriptor which contains two pieces of a Code-Segment
Offset[0:63] and this points into the virtual address space where we
want to jump to.

Here's a picture to explain it better (figure 4-31 on page 105):
http://support.amd.com/us/Processor_TechDocs/24593_APM_v2.pdf

It looks like Intel should support that too, AFAICT.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[H. Peter Anvin]

Yes, but why bother...

Borislav Petkov <bp@alien8.de> wrote:

>On Tue, Dec 25, 2012 at 07:51:54AM -0800, H. Peter Anvin wrote:
>> Right, it's the ljmpq issue.
>> 
>> Borislav Petkov <bp@alien8.de> wrote:
>> 
>> >On Mon, Dec 24, 2012 at 05:06:01PM -0800, H. Peter Anvin wrote:
>> >> Could this be the ljmpq problem that Borislav reported
>> >> (Intel implemented ljmpq, AMD didn't, and I was tempted by a
>> >> micro-optimization which broke AMD which made it into the
>patchset)?
>> >
>> >It has to be. Just booted Yinghai's -v8 in kvm on an AMD host and it
>> >worked fine.
>> >
>> >With the change below it keeps rebooting like I reported earlier.
>I'd
>> >go
>> >out on a limb here and guess that the guest is triple-faulting due
>to
>> >an
>> >unhandled #GP caused by an invalid opcode or similar.
>> >
>> >---
>> >diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
>> >index d94f6d68be2a..1842d30c96a2 100644
>> >--- a/arch/x86/kernel/head_64.S
>> >+++ b/arch/x86/kernel/head_64.S
>> >@@ -279,11 +279,8 @@ ENTRY(secondary_startup_64)
>> >         *      REX.W + FF /5 JMP m16:64 Jump far, absolute
>indirect,
>> >         *              address given in m16:64.
>> >         */
>> >-       movq    initial_code(%rip),%rax
>> >        pushq   $0              # fake return address to stop
>unwinder
>> >-       pushq   $__KERNEL_CS    # set correct cs
>> >-       pushq   %rax            # target address in negative space
>> >-       lretq
>> >+       rex64 ljmp *initial_code(%rip)
>> > 
>> > #ifdef CONFIG_HOTPLUG_CPU
>
>Btw, I'm being told that we could also do a JMP FAR through a call
>gate in 64-bit mode. Basically, the insn operand contains a CS:OFFSET
>whereas the OFFSET is ignored but only CS is looked at. It has to point
>to a call gate descriptor which contains two pieces of a Code-Segment
>Offset[0:63] and this points into the virtual address space where we
>want to jump to.
>
>Here's a picture to explain it better (figure 4-31 on page 105):
>http://support.amd.com/us/Processor_TechDocs/24593_APM_v2.pdf
>
>It looks like Intel should support that too, AFAICT.

-- 
Sent from my mobile phone. Please excuse brevity and lack of formatting.

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Borislav Petkov]

On Tue, Jan 08, 2013 at 01:15:41PM -0800, H. Peter Anvin wrote:
> Yes, but why bother...

I suspected something like that to be the reason after reading into that
section of the APM of how one needs to jump through hoops to do one
lousy far jump.

:-)

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[H. Peter Anvin]

On 01/08/2013 01:19 PM, Borislav Petkov wrote:
> On Tue, Jan 08, 2013 at 01:15:41PM -0800, H. Peter Anvin wrote:
>> Yes, but why bother...
>
> I suspected something like that to be the reason after reading into that
> section of the APM of how one needs to jump through hoops to do one
> lousy far jump.
>

The only thing that started this was that I got tempted into a 
microoptimization that happens to be valid and documented on Intel, but 
not AMD.  Given that it doesn't actually work lretq is probably the 
least insane option.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

Re: [PATCH v7 00/27] x86, boot, 64bit: Add support for loading ramdisk and bzImage above 4G

[Borislav Petkov]

On Tue, Jan 08, 2013 at 03:17:46PM -0800, H. Peter Anvin wrote:
> The only thing that started this was that I got tempted into a
> microoptimization that happens to be valid and documented on Intel,
> but not AMD. Given that it doesn't actually work lretq is probably the
> least insane option.

Well, it would've been good if AMD had implemented the jmp far with
64-bit offset.

And I agree, lretq is way better an option than anything else.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--