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* [PATCH RFC 00/10] New permission vmalloc interface
@ 2020-11-20 20:24 Rick Edgecombe
  2020-11-20 20:24 ` [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation Rick Edgecombe
                   ` (9 more replies)
  0 siblings, 10 replies; 22+ messages in thread
From: Rick Edgecombe @ 2020-11-20 20:24 UTC (permalink / raw)
  To: akpm, jeyu, bpf, ast, daniel, luto, dave.hansen, peterz, x86,
	rppt, linux-mm, linux-kernel, dan.j.williams
  Cc: elena.reshetova, ira.weiny, Rick Edgecombe

This is a proposal to address some inefficiencies in how memory permissions
are handled on vmalloc mappings. The way the interfaces are defined across
vmalloc and cpa make it hard to fully address problems underneath the
existing interfaces. So this creates a new interface in vmalloc that
encapsulates what vmalloc memory permission usages need, but with more
details handled on the back end. This allows for optimizations and shared caches
of resources. The genesis for this was this conversation[0] and many of the
ideas were suggested by Andy Lutomirski. In its current state it takes module
load's down to usually one kernel range shootdown, and BPF JIT load's down to
usually zero on x86. It also minimizes the direct map 4k breakage when possible.

For the future, x86 also has new kernel memory permission types that would
benefit from efficiently handling the direct map permissions/unmapping, for
example [1]. However, this patchset is just targeting improving performance
inefficiencies with existing usages in modules and normal eBPF JITs.

The code is early and very lightly tested. I was hoping to get some feedback on
the approach.

The Problem
===========

For a little background, the way executable code is loaded (modules, BPF
JITs, etc) on x86 goes something like this:

ptr = vmalloc_node_range(, PAGE_KERNEL)
   alloc_page() - Get random pages from page allocator
   map_kernel_range() - Map vmalloc range allocation as RW to those pages

set_memory_ro(ptr)
   set vmalloc alias to RO, break direct map aliases to 4k/RO, all-cpu shootdown
   vm_unmap_alias() flush any lazy RW aliases to now RO pages, all-cpu shootdown

set_memory_x(ptr)
   set vmalloc alias to not-NX, all-cpu shootdown
   vm_unmap_alias(), possible all-cpu shootdown

So during this load operation, 4 shootdowns may take place and the direct map
will be broken to 4k pages across whichever random pages got used in the
executable region. When a split is required it can be even more. Besides the
direct map, the other reason for this is having to change the permission of the
vmalloc mapping several times in order to load it while it's writable, and then
transition it to its final permission.

Ideally we would unmap pages from the direct map in bulk to share a shootdown.
For changing the vmalloc mappings permission, we should instead map it at its
final permission from the start and use a temporary per-cpu mapping such as
text_poke() to load the data such that it only requires a local TLB flush.

For large page breakage on the direct map, if multiple JITs happen to get
pages from the same 2MB physical region this can limit the damage to a
smaller region. However, currently this depends on lucky physical distance of
the pages picked inside vmalloc. Today it seems more likely to happen if
allocations are made close together in time. Ideally we would make an effort
to group pages used for permissioned vmallocs together physically so the
direct map breakage would be minimized.

But trying to improve this doesn't fit into the existing interfaces very well.

 - vmalloc_node_range() doesn't know what it's final permission will be.

 - There isn't any cross-arch way to describe to vmalloc what the permissions
will be, since permissions are encoded into the name of the set_memory_foo()
functions.

 - text_poke() only exists on x86, and other HW ways of temporarily writing to
RO mappings don't necessarily have standardized semantics.

Proposed solution
=================

For text or RO allocations, to oversimplify, what usages want to do is just
say:

1. Give me a kva for this particular permission and size
2. Load this data into it
3. Make it "live" (no writable mapping, no direct map mapping, whatever
permissions are set on it and ready to go)

So this implements a new interface to do just that. I had in mind this
interface should try to support the following optimizations on x86 even if
they weren't implemented right away.

1. Draw from 2MB physical pages that can be unmapped from the direct map in
contiguous chunks

In memory pressure situations a shrinker callback can free unused pages
from the cache. These can get re-mapped on the fly without any flush since the
direct map would be transitioning NP->RW. Since we can re-map the direct map
cheaply, it's better to unmap more than we need. This part is close to
secretmem[2] in implementation, and should possibly share infrastructure or
caches of unmapped pages.

2. Load text/special data via per-cpu mappings

The mapping can be mapped in its "final" permission, and loaded via text_poke().
This will reduce shootdowns during loads to zero is most cases. Just local
flushes. The new interface provides a writable buffer for usages to stage their
changes, and trigger the copying into the RO mapping via text_poke()

3. Caching of virtual mappings as well as pages

Normally executable mappings need to be zapped and flushed before the pages
return to the page allocator to prevent random other memory that uses the
page later from having an executable alias. But we could cache these live
mappings and delay the flush until the page is needed for an allocation of a
larger size or different permission. The "free" operations could just zero it
with a per-cpu mapping to prevent unwanted text from remaining mapped.

4. 2MB module space mappings

It would be nice if the virtual mappings of the same permission types could
be placed next to each other so that they could share 2MB mappings. This way we
could have modules or PKS memory have 2MB pages. Of course allocating from a
2MB block could cause internal fragmentation and wasted memory, however it
might be possible to break the virtual mapping later and allow the wasted
memory to be unmapped and freed in the formerly 2MB page. Often a bunch of
modules are loaded at boot. If we placed the long lived "core sections" of
these modules sequentially into the 2MB blocks, there is probably a good chance
we could get some decent utilization out of one.


This RFC just has 1 and 2 actually implemented on x86.

Module loader changes
=====================

Of the text allocation usages, kernel modules are the most complex because a
single vmalloc allocation has many memory permissions across it (RO+X for the
text, RO, RO after init, and RW). In addition to this preventing having module
text mapped in 2MB pages since the text is all scattered around in different
allocations, it would require more complexity for the new interface.

However, at least for x86, it doesn't seem like there is any requirement for
a module allocation to be virtually contiguous. Instead we could have the
module loader treat each of its 4 permission regions as separate allocations.
Then the new interface could be simpler and it could have the option of putting
similar permission allocations next to each other to achieve 2MB pages or more
opportunities to reuse existing mappings.

The challenge in changing this in the module loader is that most of it is
cross-arch code and there could be relocation rules required by various
arch's that depend on the existing virtual address distances. To try to
transition to this interface without disturbing anything, the default
module.c behavior is to layout the modules as they were before in both
location and permissions, but wrapped separately as multiple instances of the
new type of allocation. This way it could have no functional change for other
architectures at first, but allow any to implement similar optimizations in the
arch module.c breakouts. So this RFC also looks at handling things as separate
allocations, and actually allocates them separately for x86.

Of course, there are several areas outside of modules that are involved in
modifying the module text and data such as alternatives, orc unwinding, etc.
These components are changed to be aware they may need to opearate on the
writable staging area buffer.

[0] https://lore.kernel.org/lkml/CALCETrV_tGk=B3Hw0h9viW45wMqB_W+rwWzx6LnC3-vSATOUOA@mail.gmail.com/
[1] https://lore.kernel.org/lkml/20201009201410.3209180-1-ira.weiny@intel.com/
[2] https://lore.kernel.org/lkml/20200924132904.1391-1-rppt@kernel.org/

This RFC has been acked by Dave Hansen.

Rick Edgecombe (10):
  vmalloc: Add basic perm alloc implementation
  bpf: Use perm_alloc() for BPF JIT filters
  module: Use perm_alloc() for modules
  module: Support separate writable allocation
  x86/modules: Use real perm_allocations
  x86/alternatives: Handle perm_allocs for modules
  x86/unwind: Unwind orc at module writable address
  jump_label: Handle module writable address
  ftrace: Use module writable address
  vmalloc: Add perm_alloc x86 implementation

 arch/Kconfig                      |   3 +
 arch/arm/net/bpf_jit_32.c         |   3 +-
 arch/arm64/net/bpf_jit_comp.c     |   5 +-
 arch/mips/net/bpf_jit.c           |   2 +-
 arch/mips/net/ebpf_jit.c          |   3 +-
 arch/powerpc/net/bpf_jit_comp.c   |   2 +-
 arch/powerpc/net/bpf_jit_comp64.c |  10 +-
 arch/s390/net/bpf_jit_comp.c      |   5 +-
 arch/sparc/net/bpf_jit_comp_32.c  |   2 +-
 arch/sparc/net/bpf_jit_comp_64.c  |   5 +-
 arch/x86/Kconfig                  |   1 +
 arch/x86/include/asm/set_memory.h |   2 +
 arch/x86/kernel/alternative.c     |  25 +-
 arch/x86/kernel/jump_label.c      |  18 +-
 arch/x86/kernel/module.c          |  84 ++++-
 arch/x86/kernel/unwind_orc.c      |   8 +-
 arch/x86/mm/Makefile              |   1 +
 arch/x86/mm/pat/set_memory.c      |  13 +
 arch/x86/mm/vmalloc.c             | 438 +++++++++++++++++++++++
 arch/x86/net/bpf_jit_comp.c       |  15 +-
 arch/x86/net/bpf_jit_comp32.c     |   3 +-
 include/linux/filter.h            |  30 +-
 include/linux/module.h            |  66 +++-
 include/linux/vmalloc.h           |  82 +++++
 kernel/bpf/core.c                 |  48 ++-
 kernel/jump_label.c               |   2 +-
 kernel/module.c                   | 561 ++++++++++++++++++------------
 kernel/trace/ftrace.c             |   2 +-
 mm/nommu.c                        |  66 ++++
 mm/vmalloc.c                      | 135 +++++++
 30 files changed, 1308 insertions(+), 332 deletions(-)
 create mode 100644 arch/x86/mm/vmalloc.c

-- 
2.20.1


^ permalink raw reply	[flat|nested] 22+ messages in thread

* [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation
  2020-11-20 20:24 [PATCH RFC 00/10] New permission vmalloc interface Rick Edgecombe
@ 2020-11-20 20:24 ` Rick Edgecombe
  2020-11-22  4:10   ` Andy Lutomirski
                     ` (2 more replies)
  2020-11-20 20:24 ` [PATCH RFC 02/10] bpf: Use perm_alloc() for BPF JIT filters Rick Edgecombe
                   ` (8 subsequent siblings)
  9 siblings, 3 replies; 22+ messages in thread
From: Rick Edgecombe @ 2020-11-20 20:24 UTC (permalink / raw)
  To: akpm, jeyu, bpf, ast, daniel, luto, dave.hansen, peterz, x86,
	rppt, linux-mm, linux-kernel, dan.j.williams
  Cc: elena.reshetova, ira.weiny, Rick Edgecombe

In order to allow for future arch specific optimizations for vmalloc
permissions, first add an implementation of a new interface that will
work cross arch by using the existing set_memory_() functions.

When allocating some memory that will be RO, for example it should be used
like:

/* Reserve va */
struct perm_allocation *alloc = perm_alloc(vstart, vend, page_cnt, PERM_R);
unsigned long ro = (unsigned long)perm_alloc_address(alloc);

/* Write to writable address */
strcpy((char *)perm_writable_addr(alloc, ro), "Some data to be RO");
/* Signal that writing is done and mapping should be live */
perm_writable_finish(alloc);
/* Print from RO address */
printk("Read only data is: %s\n", (char *)ro);

Create some new flags to handle the memory permissions currently defined
cross-architectually in the set_memory_() function names themselves. The
PAGE_ defines are not uniform across the architectures, so couldn't be used
without unifying them. However in the future there may also be some other
flags, for example requesting to try to allocate into part of a 2MB page
for longer lived allocations.

Have the default implementation use the primary address for loading the
data as is done today for special kernel permission usages. However, make
the interface compatible with having the writable data loaded at a
separate address or via some PKS backed solution. Allocate using
module_alloc() in the default implementation in order to allocate from
each arch's chosen place for executable code.

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
---
 arch/Kconfig            |   3 +
 include/linux/vmalloc.h |  82 ++++++++++++++++++++++++
 mm/nommu.c              |  66 ++++++++++++++++++++
 mm/vmalloc.c            | 135 ++++++++++++++++++++++++++++++++++++++++
 4 files changed, 286 insertions(+)

diff --git a/arch/Kconfig b/arch/Kconfig
index 56b6ccc0e32d..0fa42f76548d 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -259,6 +259,9 @@ config ARCH_HAS_SET_MEMORY
 config ARCH_HAS_SET_DIRECT_MAP
 	bool
 
+config ARCH_HAS_PERM_ALLOC_IMPLEMENTATION
+	bool
+
 #
 # Select if the architecture provides the arch_dma_set_uncached symbol to
 # either provide an uncached segement alias for a DMA allocation, or
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 938eaf9517e2..4a6b30014fff 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -248,4 +248,86 @@ pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms)
 int register_vmap_purge_notifier(struct notifier_block *nb);
 int unregister_vmap_purge_notifier(struct notifier_block *nb);
 
+#define PERM_R	1
+#define PERM_W	2
+#define PERM_X	4
+#define PERM_RWX	(PERM_R | PERM_W | PERM_X)
+#define PERM_RW		(PERM_R | PERM_W)
+#define PERM_RX		(PERM_R | PERM_X)
+
+typedef u8 virtual_perm;
+
+struct perm_allocation {
+	struct page **pages;
+	virtual_perm cur_perm;
+	virtual_perm orig_perm;
+	struct vm_struct *area;
+	unsigned long offset;
+	unsigned long size;
+	void *writable;
+};
+
+/*
+ * Allocate a special permission kva region. The region may not be mapped
+ * until a call to perm_writable_finish(). A writable region will be mapped
+ * immediately at the address returned by perm_writable_addr(). The allocation
+ * will be made between the start and end virtual addresses.
+ */
+struct perm_allocation *perm_alloc(unsigned long vstart, unsigned long vend, unsigned long page_cnt,
+				   virtual_perm perms);
+
+/* The writable address for data to be loaded into the allocation */
+unsigned long perm_writable_addr(struct perm_allocation *alloc, unsigned long addr);
+
+/* The writable address for data to be loaded into the allocation */
+bool perm_writable_finish(struct perm_allocation *alloc);
+
+/* Change the permission of an allocation that is already live */
+bool perm_change(struct perm_allocation *alloc, virtual_perm perms);
+
+/* Free an allocation */
+void perm_free(struct perm_allocation *alloc);
+
+/* Helper for memsetting an allocation. Should be called before perm_writable_finish() */
+void perm_memset(struct perm_allocation *alloc, char val);
+
+/* The final address of the allocation */
+static inline unsigned long perm_alloc_address(const struct perm_allocation *alloc)
+{
+	return (unsigned long)alloc->area->addr + alloc->offset;
+}
+
+/* The size of the allocation */
+static inline unsigned long perm_alloc_size(const struct perm_allocation *alloc)
+{
+	return alloc->size;
+}
+
+static inline unsigned long within_perm_alloc(const struct perm_allocation *alloc,
+					      unsigned long addr)
+{
+	unsigned long base, size;
+
+	if (!alloc)
+		return false;
+
+	base = perm_alloc_address(alloc);
+	size = perm_alloc_size(alloc);
+
+	return base <= addr && addr < base + size;
+}
+
+static inline unsigned long perm_writable_base(struct perm_allocation *alloc)
+{
+	return perm_writable_addr(alloc, perm_alloc_address(alloc));
+}
+
+static inline bool perm_is_writable(struct perm_allocation *alloc)
+{
+	if (!alloc)
+		return false;
+
+	return (alloc->cur_perm & PERM_W) || alloc->writable;
+}
+
 #endif /* _LINUX_VMALLOC_H */
diff --git a/mm/nommu.c b/mm/nommu.c
index 0faf39b32cdb..6458bd23de3e 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -1810,6 +1810,72 @@ int nommu_shrink_inode_mappings(struct inode *inode, size_t size,
 	return 0;
 }
 
+struct perm_allocation *perm_alloc(unsigned long vstart, unsigned long vend, unsigned long page_cnt,
+				   virtual_perm perms)
+{
+	struct perm_allocation *alloc;
+	struct vm_struct *area;
+	unsigned long size = page_cnt << PAGE_SHIFT;
+	void *ptr;
+
+	if (!size)
+		return NULL;
+
+	alloc = kmalloc(sizeof(*alloc), GFP_KERNEL | __GFP_ZERO);
+
+	if (!alloc)
+		return NULL;
+
+	area = kmalloc(sizeof(*area), GFP_KERNEL | __GFP_ZERO);
+
+	if (!area)
+		goto free_alloc;
+
+	alloc->area = area;
+
+	ptr = vmalloc(size);
+
+	if (!ptr)
+		goto free_area;
+
+	alloc->size = size;
+	alloc->cur_perm = PERM_RWX;
+
+	return alloc;
+
+free_area:
+	kfree(area);
+free_alloc:
+	kfree(alloc);
+	return NULL;
+}
+
+unsigned long perm_writable_addr(struct perm_allocation *alloc, unsigned long addr)
+{
+	return addr;
+}
+
+bool perm_writable_finish(struct perm_allocation *alloc)
+{
+	return true;
+}
+
+bool perm_change(struct perm_allocation *alloc, virtual_perm perms)
+{
+	return true;
+}
+
+void perm_free(struct perm_allocation *alloc)
+{
+	if (!alloc)
+		return;
+
+	kfree(alloc->area);
+	kfree(alloc);
+}
+
+void perm_memset(struct perm_allocation *alloc, char val) {}
+
 /*
  * Initialise sysctl_user_reserve_kbytes.
  *
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 6ae491a8b210..3e8e54a75dfc 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -34,6 +34,7 @@
 #include <linux/bitops.h>
 #include <linux/rbtree_augmented.h>
 #include <linux/overflow.h>
+#include <linux/moduleloader.h>
 
 #include <linux/uaccess.h>
 #include <asm/tlbflush.h>
@@ -3088,6 +3089,140 @@ void free_vm_area(struct vm_struct *area)
 }
 EXPORT_SYMBOL_GPL(free_vm_area);
 
+#ifndef CONFIG_ARCH_HAS_PERM_ALLOC_IMPLEMENTATION
+
+#ifndef CONFIG_MODULES
+/* If modules is not configured, provide stubs so perm_alloc() could use fallback logic. */
+void *module_alloc(unsigned long size)
+{
+	return NULL;
+}
+
+void module_memfree(void *module_region) { }
+#endif /* !CONFIG_MODULES */
+
+struct perm_allocation *perm_alloc(unsigned long vstart, unsigned long vend, unsigned long page_cnt,
+				   virtual_perm perms)
+{
+	struct perm_allocation *alloc;
+	unsigned long size = page_cnt << PAGE_SHIFT;
+	void *ptr;
+
+	if (!size)
+		return NULL;
+
+	alloc = kmalloc(sizeof(*alloc), GFP_KERNEL | __GFP_ZERO);
+
+	if (!alloc)
+		return NULL;
+
+	ptr = module_alloc(size);
+
+	if (!ptr) {
+		kfree(alloc);
+		return NULL;
+	}
+
+	/*
+	 * In order to work with all arch's we call the arch's module_alloc() which is the only
+	 * cross-arch place where information about where an executable allocation should go is
+	 * located. If the caller passed in a different range they want for the allocation...we
+	 * could try a vmalloc_node_range() at this point, but just return NULL for now.
+	 */
+	if ((unsigned long)ptr < vstart || (unsigned long)ptr >= vend) {
+		module_memfree(ptr);
+		kfree(alloc);
+		return NULL;
+	}
+
+	alloc->area = find_vm_area(ptr);
+	alloc->size = size;
+
+	if (IS_ENABLED(CONFIG_ARM) || IS_ENABLED(CONFIG_X86))
+		alloc->cur_perm = PERM_RW;
+	else
+		alloc->cur_perm = PERM_RWX;
+
+	alloc->orig_perm = perms;
+
+	return alloc;
+}
+
+unsigned long perm_writable_addr(struct perm_allocation *alloc, unsigned long addr)
+{
+	return addr;
+}
+
+bool perm_writable_finish(struct perm_allocation *alloc)
+{
+	if (!alloc)
+		return false;
+
+	return perm_change(alloc, alloc->orig_perm);
+}
+
+bool perm_change(struct perm_allocation *alloc, virtual_perm perm)
+{
+	unsigned long start, npages;
+	virtual_perm unset, set;
+
+	if (!alloc)
+		return false;
+
+	npages = alloc->size >> PAGE_SHIFT;
+
+	start = perm_alloc_address(alloc);
+
+	set = ~alloc->cur_perm & perm;
+	unset = alloc->cur_perm & ~perm;
+
+	if (set & PERM_W)
+		set_memory_rw(start, npages);
+
+	if (unset & PERM_W)
+		set_memory_ro(start, npages);
+
+	if (set & PERM_X)
+		set_memory_x(start, npages);
+
+	if (unset & PERM_X)
+		set_memory_nx(start, npages);
+
+	alloc->cur_perm = perm;
+
+	return false;
+}
+
+static inline bool perms_need_reset(struct perm_allocation *alloc)
+{
+	return (alloc->cur_perm & PERM_X) || (~alloc->cur_perm & PERM_W);
+}
+
+void perm_free(struct perm_allocation *alloc)
+{
+	unsigned long addr;
+
+	if (!alloc)
+		return;
+
+	addr = perm_alloc_address(alloc);
+
+	if (perms_need_reset(alloc))
+		set_vm_flush_reset_perms((void *)addr);
+
+	module_memfree((void *)addr);
+
+	kfree(alloc);
+}
+
+void perm_memset(struct perm_allocation *alloc, char val)
+{
+	if (!alloc)
+		return;
+	memset((void *)perm_writable_base(alloc), val, perm_alloc_size(alloc));
+}
+#endif /* CONFIG_ARCH_HAS_PERM_ALLOC_IMPLEMENTATION */
+
 #ifdef CONFIG_SMP
 static struct vmap_area *node_to_va(struct rb_node *n)
 {
-- 
2.20.1


^ permalink raw reply	[flat|nested] 22+ messages in thread

* [PATCH RFC 02/10] bpf: Use perm_alloc() for BPF JIT filters
  2020-11-20 20:24 [PATCH RFC 00/10] New permission vmalloc interface Rick Edgecombe
  2020-11-20 20:24 ` [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation Rick Edgecombe
@ 2020-11-20 20:24 ` Rick Edgecombe
  2020-11-20 20:24 ` [PATCH RFC 03/10] module: Use perm_alloc() for modules Rick Edgecombe
                   ` (7 subsequent siblings)
  9 siblings, 0 replies; 22+ messages in thread
From: Rick Edgecombe @ 2020-11-20 20:24 UTC (permalink / raw)
  To: akpm, jeyu, bpf, ast, daniel, luto, dave.hansen, peterz, x86,
	rppt, linux-mm, linux-kernel, dan.j.williams
  Cc: elena.reshetova, ira.weiny, Rick Edgecombe

eBPF has other executable allocations besides filters, but just convert
over the filters for now.

Since struct perm_allocation has size information, no longer track this
separately.

For x86, write the JIT to the address provided by perm_writable_addr()
so that in later patches this can be directed to a separate writable
staging area.

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
---
 arch/arm/net/bpf_jit_32.c         |  3 +-
 arch/arm64/net/bpf_jit_comp.c     |  5 ++--
 arch/mips/net/bpf_jit.c           |  2 +-
 arch/mips/net/ebpf_jit.c          |  3 +-
 arch/powerpc/net/bpf_jit_comp.c   |  2 +-
 arch/powerpc/net/bpf_jit_comp64.c | 10 +++----
 arch/s390/net/bpf_jit_comp.c      |  5 ++--
 arch/sparc/net/bpf_jit_comp_32.c  |  2 +-
 arch/sparc/net/bpf_jit_comp_64.c  |  5 ++--
 arch/x86/net/bpf_jit_comp.c       | 15 ++++++++--
 arch/x86/net/bpf_jit_comp32.c     |  3 +-
 include/linux/filter.h            | 30 ++++++-------------
 kernel/bpf/core.c                 | 48 +++++++++++++++----------------
 13 files changed, 65 insertions(+), 68 deletions(-)

diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index 0207b6ea6e8a..83b7d7a7a833 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -1874,7 +1874,7 @@ bool bpf_jit_needs_zext(void)
 struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 {
 	struct bpf_prog *tmp, *orig_prog = prog;
-	struct bpf_binary_header *header;
+	struct perm_allocation *header;
 	bool tmp_blinded = false;
 	struct jit_ctx ctx;
 	unsigned int tmp_idx;
@@ -1971,6 +1971,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 		prog = orig_prog;
 		goto out_imms;
 	}
+	prog->alloc = header;
 
 	/* 2.) Actual pass to generate final JIT code */
 	ctx.target = (u32 *) image_ptr;
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index ef9f1d5e989d..371a1b8a7fa3 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -970,7 +970,7 @@ static inline void bpf_flush_icache(void *start, void *end)
 }
 
 struct arm64_jit_data {
-	struct bpf_binary_header *header;
+	struct perm_allocation *header;
 	u8 *image;
 	struct jit_ctx ctx;
 };
@@ -979,7 +979,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 {
 	int image_size, prog_size, extable_size;
 	struct bpf_prog *tmp, *orig_prog = prog;
-	struct bpf_binary_header *header;
+	struct perm_allocation *header;
 	struct arm64_jit_data *jit_data;
 	bool was_classic = bpf_prog_was_classic(prog);
 	bool tmp_blinded = false;
@@ -1055,6 +1055,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 		prog = orig_prog;
 		goto out_off;
 	}
+	prog->alloc = header;
 
 	/* 2. Now, the actual pass. */
 
diff --git a/arch/mips/net/bpf_jit.c b/arch/mips/net/bpf_jit.c
index 0af88622c619..c8ea5c00ce55 100644
--- a/arch/mips/net/bpf_jit.c
+++ b/arch/mips/net/bpf_jit.c
@@ -1264,7 +1264,7 @@ void bpf_jit_compile(struct bpf_prog *fp)
 void bpf_jit_free(struct bpf_prog *fp)
 {
 	if (fp->jited)
-		module_memfree(fp->bpf_func);
+		bpf_jit_binary_free(fp->alloc);
 
 	bpf_prog_unlock_free(fp);
 }
diff --git a/arch/mips/net/ebpf_jit.c b/arch/mips/net/ebpf_jit.c
index 561154cbcc40..e251d0cd33d8 100644
--- a/arch/mips/net/ebpf_jit.c
+++ b/arch/mips/net/ebpf_jit.c
@@ -1799,7 +1799,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 	struct bpf_prog *orig_prog = prog;
 	bool tmp_blinded = false;
 	struct bpf_prog *tmp;
-	struct bpf_binary_header *header = NULL;
+	struct perm_allocation *header = NULL;
 	struct jit_ctx ctx;
 	unsigned int image_size;
 	u8 *image_ptr;
@@ -1889,6 +1889,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 				      sizeof(u32), jit_fill_hole);
 	if (header == NULL)
 		goto out_err;
+	prog->alloc = header;
 
 	ctx.target = (u32 *)image_ptr;
 
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index e809cb5a1631..7891a8920c68 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/arch/powerpc/net/bpf_jit_comp.c
@@ -677,7 +677,7 @@ void bpf_jit_compile(struct bpf_prog *fp)
 void bpf_jit_free(struct bpf_prog *fp)
 {
 	if (fp->jited)
-		module_memfree(fp->bpf_func);
+		bpf_jit_binary_free(fp->alloc);
 
 	bpf_prog_unlock_free(fp);
 }
diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c
index 022103c6a201..d78e582580a5 100644
--- a/arch/powerpc/net/bpf_jit_comp64.c
+++ b/arch/powerpc/net/bpf_jit_comp64.c
@@ -1062,7 +1062,7 @@ static int bpf_jit_fixup_subprog_calls(struct bpf_prog *fp, u32 *image,
 }
 
 struct powerpc64_jit_data {
-	struct bpf_binary_header *header;
+	struct perm_allocation *header;
 	u32 *addrs;
 	u8 *image;
 	u32 proglen;
@@ -1085,7 +1085,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
 	struct codegen_context cgctx;
 	int pass;
 	int flen;
-	struct bpf_binary_header *bpf_hdr;
+	struct perm_allocation *bpf_hdr;
 	struct bpf_prog *org_fp = fp;
 	struct bpf_prog *tmp_fp;
 	bool bpf_blinded = false;
@@ -1173,6 +1173,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
 		fp = org_fp;
 		goto out_addrs;
 	}
+	fp->alloc = header;
 
 skip_init_ctx:
 	code_base = (u32 *)(image + FUNCTION_DESCR_SIZE);
@@ -1249,11 +1250,8 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
 /* Overriding bpf_jit_free() as we don't set images read-only. */
 void bpf_jit_free(struct bpf_prog *fp)
 {
-	unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK;
-	struct bpf_binary_header *bpf_hdr = (void *)addr;
-
 	if (fp->jited)
-		bpf_jit_binary_free(bpf_hdr);
+		bpf_jit_binary_free(fp->alloc);
 
 	bpf_prog_unlock_free(fp);
 }
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 0a4182792876..e0440307f539 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -1686,7 +1686,7 @@ bool bpf_jit_needs_zext(void)
 }
 
 struct s390_jit_data {
-	struct bpf_binary_header *header;
+	struct perm_allocation *header;
 	struct bpf_jit ctx;
 	int pass;
 };
@@ -1721,7 +1721,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
 {
 	u32 stack_depth = round_up(fp->aux->stack_depth, 8);
 	struct bpf_prog *tmp, *orig_fp = fp;
-	struct bpf_binary_header *header;
+	struct perm_allocation *header;
 	struct s390_jit_data *jit_data;
 	bool tmp_blinded = false;
 	bool extra_pass = false;
@@ -1785,6 +1785,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
 		fp = orig_fp;
 		goto free_addrs;
 	}
+	fp->alloc = header;
 skip_init_ctx:
 	if (bpf_jit_prog(&jit, fp, extra_pass, stack_depth)) {
 		bpf_jit_binary_free(header);
diff --git a/arch/sparc/net/bpf_jit_comp_32.c b/arch/sparc/net/bpf_jit_comp_32.c
index b1dbf2fa8c0a..2a29d2523fd6 100644
--- a/arch/sparc/net/bpf_jit_comp_32.c
+++ b/arch/sparc/net/bpf_jit_comp_32.c
@@ -758,7 +758,7 @@ cond_branch:			f_offset = addrs[i + filter[i].jf];
 void bpf_jit_free(struct bpf_prog *fp)
 {
 	if (fp->jited)
-		module_memfree(fp->bpf_func);
+		bpf_jit_binary_free(fp->alloc);
 
 	bpf_prog_unlock_free(fp);
 }
diff --git a/arch/sparc/net/bpf_jit_comp_64.c b/arch/sparc/net/bpf_jit_comp_64.c
index 3364e2a00989..3ad639166076 100644
--- a/arch/sparc/net/bpf_jit_comp_64.c
+++ b/arch/sparc/net/bpf_jit_comp_64.c
@@ -1458,7 +1458,7 @@ bool bpf_jit_needs_zext(void)
 }
 
 struct sparc64_jit_data {
-	struct bpf_binary_header *header;
+	struct perm_allocation *header;
 	u8 *image;
 	struct jit_ctx ctx;
 };
@@ -1467,7 +1467,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 {
 	struct bpf_prog *tmp, *orig_prog = prog;
 	struct sparc64_jit_data *jit_data;
-	struct bpf_binary_header *header;
+	struct perm_allocation *header;
 	u32 prev_image_size, image_size;
 	bool tmp_blinded = false;
 	bool extra_pass = false;
@@ -1559,6 +1559,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 		prog = orig_prog;
 		goto out_off;
 	}
+	prog->alloc = header;
 
 	ctx.image = (u32 *)image_ptr;
 skip_init_ctx:
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index 796506dcfc42..e11ee6b71d40 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -1476,11 +1476,14 @@ xadd:			if (is_imm8(insn->off))
 		}
 
 		if (image) {
+			unsigned long writable = perm_writable_addr(bpf_prog->alloc,
+								       (unsigned long)image);
+
 			if (unlikely(proglen + ilen > oldproglen)) {
 				pr_err("bpf_jit: fatal error\n");
 				return -EFAULT;
 			}
-			memcpy(image + proglen, temp, ilen);
+			memcpy((void *)writable + proglen, temp, ilen);
 		}
 		proglen += ilen;
 		addrs[i] = proglen;
@@ -1965,16 +1968,21 @@ int arch_prepare_bpf_dispatcher(void *image, s64 *funcs, int num_funcs)
 }
 
 struct x64_jit_data {
-	struct bpf_binary_header *header;
+	struct perm_allocation *header;
 	int *addrs;
 	u8 *image;
 	int proglen;
 	struct jit_context ctx;
 };
 
+struct perm_allocation *bpf_jit_alloc_exec(unsigned long size)
+{
+	return perm_alloc(MODULES_VADDR, MODULES_END, size >> PAGE_SHIFT, PERM_RX);
+}
+
 struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 {
-	struct bpf_binary_header *header = NULL;
+	struct perm_allocation *header = NULL;
 	struct bpf_prog *tmp, *orig_prog = prog;
 	struct x64_jit_data *jit_data;
 	int proglen, oldproglen = 0;
@@ -2078,6 +2086,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 				prog = orig_prog;
 				goto out_addrs;
 			}
+			prog->alloc = header;
 			prog->aux->extable = (void *) image + roundup(proglen, align);
 		}
 		oldproglen = proglen;
diff --git a/arch/x86/net/bpf_jit_comp32.c b/arch/x86/net/bpf_jit_comp32.c
index 96fde03aa987..680ca859b829 100644
--- a/arch/x86/net/bpf_jit_comp32.c
+++ b/arch/x86/net/bpf_jit_comp32.c
@@ -2298,7 +2298,7 @@ bool bpf_jit_needs_zext(void)
 
 struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 {
-	struct bpf_binary_header *header = NULL;
+	struct perm_allocation *header = NULL;
 	struct bpf_prog *tmp, *orig_prog = prog;
 	int proglen, oldproglen = 0;
 	struct jit_context ctx = {};
@@ -2370,6 +2370,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
 				prog = orig_prog;
 				goto out_addrs;
 			}
+			prog->alloc = header;
 		}
 		oldproglen = proglen;
 		cond_resched();
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 1b62397bd124..1ffd93e01550 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -517,11 +517,6 @@ struct sock_fprog_kern {
 /* Some arches need doubleword alignment for their instructions and/or data */
 #define BPF_IMAGE_ALIGNMENT 8
 
-struct bpf_binary_header {
-	u32 pages;
-	u8 image[] __aligned(BPF_IMAGE_ALIGNMENT);
-};
-
 struct bpf_prog {
 	u16			pages;		/* Number of allocated pages */
 	u16			jited:1,	/* Is our filter JIT'ed? */
@@ -544,6 +539,8 @@ struct bpf_prog {
 	struct sock_fprog_kern	*orig_prog;	/* Original BPF program */
 	unsigned int		(*bpf_func)(const void *ctx,
 					    const struct bpf_insn *insn);
+	struct perm_allocation *alloc;
+
 	/* Instructions for interpreter */
 	struct sock_filter	insns[0];
 	struct bpf_insn		insnsi[];
@@ -818,20 +815,9 @@ static inline void bpf_prog_lock_ro(struct bpf_prog *fp)
 #endif
 }
 
-static inline void bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr)
+static inline void bpf_jit_binary_lock_ro(struct perm_allocation *alloc)
 {
-	set_vm_flush_reset_perms(hdr);
-	set_memory_ro((unsigned long)hdr, hdr->pages);
-	set_memory_x((unsigned long)hdr, hdr->pages);
-}
-
-static inline struct bpf_binary_header *
-bpf_jit_binary_hdr(const struct bpf_prog *fp)
-{
-	unsigned long real_start = (unsigned long)fp->bpf_func;
-	unsigned long addr = real_start & PAGE_MASK;
-
-	return (void *)addr;
+	perm_writable_finish(alloc);
 }
 
 int sk_filter_trim_cap(struct sock *sk, struct sk_buff *skb, unsigned int cap);
@@ -986,14 +972,14 @@ extern long bpf_jit_limit;
 
 typedef void (*bpf_jit_fill_hole_t)(void *area, unsigned int size);
 
-struct bpf_binary_header *
+struct perm_allocation *
 bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr,
 		     unsigned int alignment,
 		     bpf_jit_fill_hole_t bpf_fill_ill_insns);
-void bpf_jit_binary_free(struct bpf_binary_header *hdr);
+void bpf_jit_binary_free(struct perm_allocation *hdr);
 u64 bpf_jit_alloc_exec_limit(void);
-void *bpf_jit_alloc_exec(unsigned long size);
-void bpf_jit_free_exec(void *addr);
+struct perm_allocation *bpf_jit_alloc_exec(unsigned long size);
+void bpf_jit_free_exec(struct perm_allocation *alloc);
 void bpf_jit_free(struct bpf_prog *fp);
 
 int bpf_jit_add_poke_descriptor(struct bpf_prog *prog,
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index 55454d2278b1..c0088014c65c 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -530,13 +530,13 @@ long bpf_jit_limit   __read_mostly;
 static void
 bpf_prog_ksym_set_addr(struct bpf_prog *prog)
 {
-	const struct bpf_binary_header *hdr = bpf_jit_binary_hdr(prog);
-	unsigned long addr = (unsigned long)hdr;
+	const struct perm_allocation *alloc = prog->alloc;
+	unsigned long addr = perm_alloc_address(alloc);
 
 	WARN_ON_ONCE(!bpf_prog_ebpf_jited(prog));
 
-	prog->aux->ksym.start = (unsigned long) prog->bpf_func;
-	prog->aux->ksym.end   = addr + hdr->pages * PAGE_SIZE;
+	prog->aux->ksym.start = (unsigned long)addr;
+	prog->aux->ksym.end   = addr +  alloc->size;
 }
 
 static void
@@ -843,22 +843,23 @@ static void bpf_jit_uncharge_modmem(u32 pages)
 	atomic_long_sub(pages, &bpf_jit_current);
 }
 
-void *__weak bpf_jit_alloc_exec(unsigned long size)
+struct perm_allocation * __weak bpf_jit_alloc_exec(unsigned long size)
 {
-	return module_alloc(size);
+	/* Note: Range ignored for default perm_alloc implementation */
+	return perm_alloc(0, 0, size >> PAGE_SHIFT, PERM_RX);
 }
 
-void __weak bpf_jit_free_exec(void *addr)
+void __weak bpf_jit_free_exec(struct perm_allocation *alloc)
 {
-	module_memfree(addr);
+	perm_free(alloc);
 }
 
-struct bpf_binary_header *
+struct perm_allocation *
 bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr,
 		     unsigned int alignment,
 		     bpf_jit_fill_hole_t bpf_fill_ill_insns)
 {
-	struct bpf_binary_header *hdr;
+	struct perm_allocation *alloc;
 	u32 size, hole, start, pages;
 
 	WARN_ON_ONCE(!is_power_of_2(alignment) ||
@@ -868,36 +869,35 @@ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr,
 	 * fill a page, allow at least 128 extra bytes to insert a
 	 * random section of illegal instructions.
 	 */
-	size = round_up(proglen + sizeof(*hdr) + 128, PAGE_SIZE);
+	size = round_up(proglen + 128, PAGE_SIZE);
 	pages = size / PAGE_SIZE;
 
 	if (bpf_jit_charge_modmem(pages))
 		return NULL;
-	hdr = bpf_jit_alloc_exec(size);
-	if (!hdr) {
+	alloc = bpf_jit_alloc_exec(size);
+	if (!alloc) {
 		bpf_jit_uncharge_modmem(pages);
 		return NULL;
 	}
 
 	/* Fill space with illegal/arch-dep instructions. */
-	bpf_fill_ill_insns(hdr, size);
+	bpf_fill_ill_insns((void *)perm_writable_base(alloc), size);
 
-	hdr->pages = pages;
-	hole = min_t(unsigned int, size - (proglen + sizeof(*hdr)),
-		     PAGE_SIZE - sizeof(*hdr));
+	hole = min_t(unsigned int, size - proglen,
+		     PAGE_SIZE);
 	start = (get_random_int() % hole) & ~(alignment - 1);
 
 	/* Leave a random number of instructions before BPF code. */
-	*image_ptr = &hdr->image[start];
+	*image_ptr = (void *)perm_alloc_address(alloc) + start;
 
-	return hdr;
+	return alloc;
 }
 
-void bpf_jit_binary_free(struct bpf_binary_header *hdr)
+void bpf_jit_binary_free(struct perm_allocation *alloc)
 {
-	u32 pages = hdr->pages;
+	u32 pages = alloc->size >> PAGE_SHIFT;
 
-	bpf_jit_free_exec(hdr);
+	bpf_jit_free_exec(alloc);
 	bpf_jit_uncharge_modmem(pages);
 }
 
@@ -908,9 +908,7 @@ void bpf_jit_binary_free(struct bpf_binary_header *hdr)
 void __weak bpf_jit_free(struct bpf_prog *fp)
 {
 	if (fp->jited) {
-		struct bpf_binary_header *hdr = bpf_jit_binary_hdr(fp);
-
-		bpf_jit_binary_free(hdr);
+		bpf_jit_binary_free(fp->alloc);
 
 		WARN_ON_ONCE(!bpf_prog_kallsyms_verify_off(fp));
 	}
-- 
2.20.1


^ permalink raw reply	[flat|nested] 22+ messages in thread

* [PATCH RFC 03/10] module: Use perm_alloc() for modules
  2020-11-20 20:24 [PATCH RFC 00/10] New permission vmalloc interface Rick Edgecombe
  2020-11-20 20:24 ` [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation Rick Edgecombe
  2020-11-20 20:24 ` [PATCH RFC 02/10] bpf: Use perm_alloc() for BPF JIT filters Rick Edgecombe
@ 2020-11-20 20:24 ` Rick Edgecombe
  2020-11-20 20:24 ` [PATCH RFC 04/10] module: Support separate writable allocation Rick Edgecombe
                   ` (6 subsequent siblings)
  9 siblings, 0 replies; 22+ messages in thread
From: Rick Edgecombe @ 2020-11-20 20:24 UTC (permalink / raw)
  To: akpm, jeyu, bpf, ast, daniel, luto, dave.hansen, peterz, x86,
	rppt, linux-mm, linux-kernel, dan.j.williams
  Cc: elena.reshetova, ira.weiny, Rick Edgecombe

Today modules uses single allocation for each of the core and init
allocation lifetimes. Subsections of these allocations are broken into
different permission types. In order to allow arch breakouts to allocate
permissions more efficiently, change the module loader to operate on
these as separate allocations. Track these broken out subsection
allocations in struct module_layout.

Drop the unneeded frob_() functions previously used for each permission
transition. Since transitioning ro_after_init still requires a flush,
instead provide module_map() to handle the initial mapping and
ro_after_init transition.

Similar to how a flag was stuffed into the upper bits of sh_entsize in
order to communicate which (core or init) allocation a section should
be placed, create 4 new flags to communicate which permission allocation
a subsection should be in.

To prevent disturbing any architectures that may have relocation
limitiations that require subsections to be close together, layout these
perm_allocation's out of a single module_alloc() allocation by default.
This way architectures can work as they did before, but they can have the
opportunity to do things more efficiently if supported.

So this should not have any functional change yet. It is just a change
to how the different regions of the module allocations are tracked in
module.c such that future patches can actually make the regions separate
allocations.

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
---
 include/linux/module.h |  44 ++--
 kernel/module.c        | 547 +++++++++++++++++++++++++----------------
 2 files changed, 362 insertions(+), 229 deletions(-)

diff --git a/include/linux/module.h b/include/linux/module.h
index 6264617bab4d..9964f909d879 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -26,6 +26,7 @@
 #include <linux/tracepoint-defs.h>
 #include <linux/srcu.h>
 #include <linux/static_call_types.h>
+#include <linux/vmalloc.h>
 
 #include <linux/percpu.h>
 #include <asm/module.h>
@@ -318,23 +319,32 @@ struct mod_tree_node {
 	struct latch_tree_node node;
 };
 
-struct module_layout {
-	/* The actual code + data. */
-	void *base;
-	/* Total size. */
+struct mod_alloc {
+	struct perm_allocation *alloc;
 	unsigned int size;
-	/* The size of the executable code.  */
-	unsigned int text_size;
-	/* Size of RO section of the module (text+rodata) */
-	unsigned int ro_size;
-	/* Size of RO after init section */
-	unsigned int ro_after_init_size;
 
 #ifdef CONFIG_MODULES_TREE_LOOKUP
 	struct mod_tree_node mtn;
 #endif
 };
 
+struct module_layout {
+	/*
+	 * The start of the allocations for arch's that have
+	 * them as contiguous regions.
+	 */
+	void *base;
+
+	/* The actual code + data. */
+	struct mod_alloc text;
+	struct mod_alloc ro;
+	struct mod_alloc ro_after_init;
+	struct mod_alloc rw;
+
+	/* Total size. */
+	unsigned int size;
+};
+
 #ifdef CONFIG_MODULES_TREE_LOOKUP
 /* Only touch one cacheline for common rbtree-for-core-layout case. */
 #define __module_layout_align ____cacheline_aligned
@@ -562,19 +572,25 @@ bool is_module_address(unsigned long addr);
 bool __is_module_percpu_address(unsigned long addr, unsigned long *can_addr);
 bool is_module_percpu_address(unsigned long addr);
 bool is_module_text_address(unsigned long addr);
+struct perm_allocation *module_get_allocation(struct module *mod, unsigned long addr);
+bool module_perm_alloc(struct module_layout *layout);
+void module_perm_free(struct module_layout *layout);
 
 static inline bool within_module_core(unsigned long addr,
 				      const struct module *mod)
 {
-	return (unsigned long)mod->core_layout.base <= addr &&
-	       addr < (unsigned long)mod->core_layout.base + mod->core_layout.size;
+	return within_perm_alloc(mod->core_layout.text.alloc, addr) ||
+		within_perm_alloc(mod->core_layout.ro.alloc, addr) ||
+		within_perm_alloc(mod->core_layout.ro_after_init.alloc, addr) ||
+		within_perm_alloc(mod->core_layout.rw.alloc, addr);
 }
 
 static inline bool within_module_init(unsigned long addr,
 				      const struct module *mod)
 {
-	return (unsigned long)mod->init_layout.base <= addr &&
-	       addr < (unsigned long)mod->init_layout.base + mod->init_layout.size;
+	return within_perm_alloc(mod->init_layout.text.alloc, addr) ||
+		within_perm_alloc(mod->init_layout.ro.alloc, addr) ||
+		within_perm_alloc(mod->init_layout.rw.alloc, addr);
 }
 
 static inline bool within_module(unsigned long addr, const struct module *mod)
diff --git a/kernel/module.c b/kernel/module.c
index a4fa44a652a7..0b31c44798e2 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -80,6 +80,12 @@
 
 /* If this is set, the section belongs in the init part of the module */
 #define INIT_OFFSET_MASK (1UL << (BITS_PER_LONG-1))
+#define TEXT_OFFSET_MASK (1UL << (BITS_PER_LONG-2))
+#define RO_OFFSET_MASK (1UL << (BITS_PER_LONG-3))
+#define RO_AFTER_INIT_OFFSET_MASK (1UL << (BITS_PER_LONG-4))
+#define RW_OFFSET_MASK (1UL << (BITS_PER_LONG-5))
+#define ALL_OFFSET_MASK (INIT_OFFSET_MASK | TEXT_OFFSET_MASK | RO_OFFSET_MASK | \
+			 RO_AFTER_INIT_OFFSET_MASK | RW_OFFSET_MASK)
 
 /*
  * Mutex protects:
@@ -109,16 +115,16 @@ static LLIST_HEAD(init_free_list);
 
 static __always_inline unsigned long __mod_tree_val(struct latch_tree_node *n)
 {
-	struct module_layout *layout = container_of(n, struct module_layout, mtn.node);
+	struct mod_alloc *modalloc = container_of(n, struct mod_alloc, mtn.node);
 
-	return (unsigned long)layout->base;
+	return perm_alloc_address(modalloc->alloc);
 }
 
 static __always_inline unsigned long __mod_tree_size(struct latch_tree_node *n)
 {
-	struct module_layout *layout = container_of(n, struct module_layout, mtn.node);
+	struct mod_alloc *modalloc = container_of(n, struct mod_alloc, mtn.node);
 
-	return (unsigned long)layout->size;
+	return (unsigned long)modalloc->size;
 }
 
 static __always_inline bool
@@ -170,29 +176,51 @@ static void __mod_tree_remove(struct mod_tree_node *node)
 	latch_tree_erase(&node->node, &mod_tree.root, &mod_tree_ops);
 }
 
+static void __mod_tree_insert_layout(struct module_layout *layout, struct module *mod)
+{
+	layout->text.mtn.mod = mod;
+	layout->ro.mtn.mod = mod;
+	layout->ro_after_init.mtn.mod = mod;
+	layout->rw.mtn.mod = mod;
+
+	if (layout->text.alloc)
+		__mod_tree_insert(&layout->text.mtn);
+	if (layout->ro.alloc)
+		__mod_tree_insert(&layout->ro.mtn);
+	if (layout->ro_after_init.alloc)
+		__mod_tree_insert(&layout->ro_after_init.mtn);
+	if (layout->rw.alloc)
+		__mod_tree_insert(&layout->rw.mtn);
+}
+
+static void __mod_tree_remove_layout(struct module_layout *layout)
+{
+	__mod_tree_remove(&layout->text.mtn);
+	__mod_tree_remove(&layout->ro.mtn);
+	__mod_tree_remove(&layout->ro_after_init.mtn);
+	__mod_tree_remove(&layout->rw.mtn);
+}
+
 /*
  * These modifications: insert, remove_init and remove; are serialized by the
  * module_mutex.
  */
 static void mod_tree_insert(struct module *mod)
 {
-	mod->core_layout.mtn.mod = mod;
-	mod->init_layout.mtn.mod = mod;
-
-	__mod_tree_insert(&mod->core_layout.mtn);
+	__mod_tree_insert_layout(&mod->core_layout, mod);
 	if (mod->init_layout.size)
-		__mod_tree_insert(&mod->init_layout.mtn);
+		__mod_tree_insert_layout(&mod->init_layout, mod);
 }
 
 static void mod_tree_remove_init(struct module *mod)
 {
 	if (mod->init_layout.size)
-		__mod_tree_remove(&mod->init_layout.mtn);
+		__mod_tree_remove_layout(&mod->init_layout);
 }
 
 static void mod_tree_remove(struct module *mod)
 {
-	__mod_tree_remove(&mod->core_layout.mtn);
+	__mod_tree_remove_layout(&mod->core_layout);
 	mod_tree_remove_init(mod);
 }
 
@@ -234,10 +262,16 @@ static struct module *mod_find(unsigned long addr)
  * Bounds of module text, for speeding up __module_address.
  * Protected by module_mutex.
  */
-static void __mod_update_bounds(void *base, unsigned int size)
+static void __mod_update_bounds(struct mod_alloc *modalloc)
 {
-	unsigned long min = (unsigned long)base;
-	unsigned long max = min + size;
+	unsigned long min;
+	unsigned long max;
+
+	if (!modalloc->alloc)
+		return;
+
+	min = (unsigned long)perm_alloc_address(modalloc->alloc);
+	max = min + perm_alloc_size(modalloc->alloc);
 
 	if (min < module_addr_min)
 		module_addr_min = min;
@@ -247,9 +281,14 @@ static void __mod_update_bounds(void *base, unsigned int size)
 
 static void mod_update_bounds(struct module *mod)
 {
-	__mod_update_bounds(mod->core_layout.base, mod->core_layout.size);
-	if (mod->init_layout.size)
-		__mod_update_bounds(mod->init_layout.base, mod->init_layout.size);
+	__mod_update_bounds(&mod->core_layout.text);
+	__mod_update_bounds(&mod->core_layout.ro);
+	__mod_update_bounds(&mod->core_layout.ro_after_init);
+	__mod_update_bounds(&mod->core_layout.rw);
+	__mod_update_bounds(&mod->init_layout.text);
+	__mod_update_bounds(&mod->init_layout.ro);
+	__mod_update_bounds(&mod->init_layout.ro_after_init);
+	__mod_update_bounds(&mod->init_layout.rw);
 }
 
 #ifdef CONFIG_KGDB_KDB
@@ -1995,100 +2034,48 @@ static void mod_sysfs_teardown(struct module *mod)
 	mod_sysfs_fini(mod);
 }
 
-/*
- * LKM RO/NX protection: protect module's text/ro-data
- * from modification and any data from execution.
- *
- * General layout of module is:
- *          [text] [read-only-data] [ro-after-init] [writable data]
- * text_size -----^                ^               ^               ^
- * ro_size ------------------------|               |               |
- * ro_after_init_size -----------------------------|               |
- * size -----------------------------------------------------------|
- *
- * These values are always page-aligned (as is base)
- */
-
-/*
- * Since some arches are moving towards PAGE_KERNEL module allocations instead
- * of PAGE_KERNEL_EXEC, keep frob_text() and module_enable_x() outside of the
- * CONFIG_STRICT_MODULE_RWX block below because they are needed regardless of
- * whether we are strict.
- */
-#ifdef CONFIG_ARCH_HAS_STRICT_MODULE_RWX
-static void frob_text(const struct module_layout *layout,
-		      int (*set_memory)(unsigned long start, int num_pages))
+#ifdef CONFIG_STRICT_MODULE_RWX
+static void map_core_regions(const struct module *mod,
+			     virtual_perm text_perm,
+			     virtual_perm ro_perm,
+			     virtual_perm ro_after_init_perm,
+			     virtual_perm rw_perm)
 {
-	BUG_ON((unsigned long)layout->base & (PAGE_SIZE-1));
-	BUG_ON((unsigned long)layout->text_size & (PAGE_SIZE-1));
-	set_memory((unsigned long)layout->base,
-		   layout->text_size >> PAGE_SHIFT);
-}
+	const struct module_layout *layout = &mod->core_layout;
 
-static void module_enable_x(const struct module *mod)
-{
-	frob_text(&mod->core_layout, set_memory_x);
-	frob_text(&mod->init_layout, set_memory_x);
+	perm_change(layout->text.alloc, text_perm);
+	perm_change(layout->ro.alloc, ro_perm);
+	perm_change(layout->ro_after_init.alloc, ro_after_init_perm);
+	perm_change(layout->rw.alloc, rw_perm);
 }
-#else /* !CONFIG_ARCH_HAS_STRICT_MODULE_RWX */
-static void module_enable_x(const struct module *mod) { }
-#endif /* CONFIG_ARCH_HAS_STRICT_MODULE_RWX */
 
-#ifdef CONFIG_STRICT_MODULE_RWX
-static void frob_rodata(const struct module_layout *layout,
-			int (*set_memory)(unsigned long start, int num_pages))
-{
-	BUG_ON((unsigned long)layout->base & (PAGE_SIZE-1));
-	BUG_ON((unsigned long)layout->text_size & (PAGE_SIZE-1));
-	BUG_ON((unsigned long)layout->ro_size & (PAGE_SIZE-1));
-	set_memory((unsigned long)layout->base + layout->text_size,
-		   (layout->ro_size - layout->text_size) >> PAGE_SHIFT);
-}
 
-static void frob_ro_after_init(const struct module_layout *layout,
-				int (*set_memory)(unsigned long start, int num_pages))
+static void map_init_regions(const struct module *mod,
+			     virtual_perm text_perm, virtual_perm ro_perm)
 {
-	BUG_ON((unsigned long)layout->base & (PAGE_SIZE-1));
-	BUG_ON((unsigned long)layout->ro_size & (PAGE_SIZE-1));
-	BUG_ON((unsigned long)layout->ro_after_init_size & (PAGE_SIZE-1));
-	set_memory((unsigned long)layout->base + layout->ro_size,
-		   (layout->ro_after_init_size - layout->ro_size) >> PAGE_SHIFT);
-}
+	const struct module_layout *layout = &mod->init_layout;
 
-static void frob_writable_data(const struct module_layout *layout,
-			       int (*set_memory)(unsigned long start, int num_pages))
-{
-	BUG_ON((unsigned long)layout->base & (PAGE_SIZE-1));
-	BUG_ON((unsigned long)layout->ro_after_init_size & (PAGE_SIZE-1));
-	BUG_ON((unsigned long)layout->size & (PAGE_SIZE-1));
-	set_memory((unsigned long)layout->base + layout->ro_after_init_size,
-		   (layout->size - layout->ro_after_init_size) >> PAGE_SHIFT);
+	perm_change(layout->text.alloc, text_perm);
+	perm_change(layout->ro.alloc, ro_perm);
 }
 
-static void module_enable_ro(const struct module *mod, bool after_init)
+static void module_map(const struct module *mod, bool after_init)
 {
-	if (!rodata_enabled)
-		return;
+	virtual_perm after_init_perm = PERM_R;
 
-	set_vm_flush_reset_perms(mod->core_layout.base);
-	set_vm_flush_reset_perms(mod->init_layout.base);
-	frob_text(&mod->core_layout, set_memory_ro);
+	perm_writable_finish(mod->core_layout.text.alloc);
+	perm_writable_finish(mod->core_layout.ro.alloc);
+	perm_writable_finish(mod->init_layout.text.alloc);
+	perm_writable_finish(mod->init_layout.ro.alloc);
 
-	frob_rodata(&mod->core_layout, set_memory_ro);
-	frob_text(&mod->init_layout, set_memory_ro);
-	frob_rodata(&mod->init_layout, set_memory_ro);
+	if (!rodata_enabled)
+		return;
 
-	if (after_init)
-		frob_ro_after_init(&mod->core_layout, set_memory_ro);
-}
+	if (!after_init)
+		after_init_perm |= PERM_W;
 
-static void module_enable_nx(const struct module *mod)
-{
-	frob_rodata(&mod->core_layout, set_memory_nx);
-	frob_ro_after_init(&mod->core_layout, set_memory_nx);
-	frob_writable_data(&mod->core_layout, set_memory_nx);
-	frob_rodata(&mod->init_layout, set_memory_nx);
-	frob_writable_data(&mod->init_layout, set_memory_nx);
+	map_core_regions(mod, PERM_RX, PERM_R, after_init_perm, PERM_RW);
+	map_init_regions(mod, PERM_RX, PERM_R);
 }
 
 static int module_enforce_rwx_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
@@ -2109,8 +2096,7 @@ static int module_enforce_rwx_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
 }
 
 #else /* !CONFIG_STRICT_MODULE_RWX */
-static void module_enable_nx(const struct module *mod) { }
-static void module_enable_ro(const struct module *mod, bool after_init) {}
+static void module_map(const struct module *mod, bool after_init) {}
 static int module_enforce_rwx_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
 				       char *secstrings, struct module *mod)
 {
@@ -2211,6 +2197,8 @@ void __weak module_arch_freeing_init(struct module *mod)
 {
 }
 
+void module_perm_free(struct module_layout *layout);
+
 /* Free a module, remove from lists, etc. */
 static void free_module(struct module *mod)
 {
@@ -2252,15 +2240,16 @@ static void free_module(struct module *mod)
 
 	/* This may be empty, but that's OK */
 	module_arch_freeing_init(mod);
-	module_memfree(mod->init_layout.base);
+	module_perm_free(&mod->init_layout);
 	kfree(mod->args);
 	percpu_modfree(mod);
 
 	/* Free lock-classes; relies on the preceding sync_rcu(). */
-	lockdep_free_key_range(mod->core_layout.base, mod->core_layout.size);
+	lockdep_free_key_range((void *)perm_alloc_address(mod->core_layout.rw.alloc),
+			       mod->core_layout.rw.size);
 
 	/* Finally, free the core (containing the module structure) */
-	module_memfree(mod->core_layout.base);
+	module_perm_free(&mod->core_layout);
 }
 
 void *__symbol_get(const char *symbol)
@@ -2436,10 +2425,56 @@ static long get_offset(struct module *mod, unsigned int *size,
 
 	*size += arch_mod_section_prepend(mod, section);
 	ret = ALIGN(*size, sechdr->sh_addralign ?: 1);
-	*size = ret + sechdr->sh_size;
+	*size = debug_align(ret + sechdr->sh_size);
+
 	return ret;
 }
 
+static inline unsigned int *get_size_from_layout(struct module_layout *layout,
+						 unsigned long offset_mask)
+{
+	if (offset_mask & TEXT_OFFSET_MASK)
+		return &layout->text.size;
+	if (offset_mask & RO_OFFSET_MASK)
+		return &layout->ro.size;
+	if (offset_mask & RO_AFTER_INIT_OFFSET_MASK)
+		return &layout->ro_after_init.size;
+	return &layout->rw.size; /*RW_OFFSET_MASK*/
+}
+
+static inline struct perm_allocation *get_alloc_from_layout(struct module_layout *layout,
+							    unsigned long offset_mask)
+{
+	if (offset_mask & TEXT_OFFSET_MASK)
+		return layout->text.alloc;
+	if (offset_mask & RO_OFFSET_MASK)
+		return layout->ro.alloc;
+	if (offset_mask & RO_AFTER_INIT_OFFSET_MASK)
+		return layout->ro_after_init.alloc;
+	return layout->rw.alloc; /*RW_OFFSET_MASK*/
+}
+
+static void set_total_size(struct module_layout *layout)
+{
+	layout->size = debug_align(layout->text.size + layout->ro.size +
+		       layout->ro_after_init.size + layout->rw.size);
+}
+
+struct perm_allocation *module_get_allocation(struct module *mod, unsigned long addr)
+{
+	struct perm_allocation *allocs[] = { mod->core_layout.text.alloc, mod->core_layout.ro.alloc,
+					mod->core_layout.ro_after_init.alloc,
+					mod->core_layout.rw.alloc, mod->init_layout.text.alloc,
+					mod->init_layout.ro.alloc, mod->init_layout.rw.alloc };
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(allocs); i++)
+		if (within_perm_alloc(allocs[i], addr))
+			return allocs[i];
+
+	return NULL;
+}
+
 /* Lay out the SHF_ALLOC sections in a way not dissimilar to how ld
    might -- code, read-only data, read-write data, small data.  Tally
    sizes, and place the offsets into sh_entsize fields: high bit means it
@@ -2456,6 +2491,7 @@ static void layout_sections(struct module *mod, struct load_info *info)
 		{ SHF_WRITE | SHF_ALLOC, ARCH_SHF_SMALL },
 		{ ARCH_SHF_SMALL | SHF_ALLOC, 0 }
 	};
+	unsigned int *section_size;
 	unsigned int m, i;
 
 	for (i = 0; i < info->hdr->e_shnum; i++)
@@ -2463,6 +2499,8 @@ static void layout_sections(struct module *mod, struct load_info *info)
 
 	pr_debug("Core section allocation order:\n");
 	for (m = 0; m < ARRAY_SIZE(masks); ++m) {
+		unsigned long offset_mask = (1UL << (BITS_PER_LONG - (m + 2)));
+
 		for (i = 0; i < info->hdr->e_shnum; ++i) {
 			Elf_Shdr *s = &info->sechdrs[i];
 			const char *sname = info->secstrings + s->sh_name;
@@ -2472,30 +2510,19 @@ static void layout_sections(struct module *mod, struct load_info *info)
 			    || s->sh_entsize != ~0UL
 			    || module_init_section(sname))
 				continue;
-			s->sh_entsize = get_offset(mod, &mod->core_layout.size, s, i);
+			section_size = get_size_from_layout(&mod->core_layout, offset_mask);
+			s->sh_entsize = get_offset(mod, section_size, s, i) | offset_mask;
+
 			pr_debug("\t%s\n", sname);
 		}
-		switch (m) {
-		case 0: /* executable */
-			mod->core_layout.size = debug_align(mod->core_layout.size);
-			mod->core_layout.text_size = mod->core_layout.size;
-			break;
-		case 1: /* RO: text and ro-data */
-			mod->core_layout.size = debug_align(mod->core_layout.size);
-			mod->core_layout.ro_size = mod->core_layout.size;
-			break;
-		case 2: /* RO after init */
-			mod->core_layout.size = debug_align(mod->core_layout.size);
-			mod->core_layout.ro_after_init_size = mod->core_layout.size;
-			break;
-		case 4: /* whole core */
-			mod->core_layout.size = debug_align(mod->core_layout.size);
-			break;
-		}
 	}
 
+	set_total_size(&mod->core_layout);
+
 	pr_debug("Init section allocation order:\n");
 	for (m = 0; m < ARRAY_SIZE(masks); ++m) {
+		unsigned long offset_mask = (1UL << (BITS_PER_LONG - (m + 2)));
+
 		for (i = 0; i < info->hdr->e_shnum; ++i) {
 			Elf_Shdr *s = &info->sechdrs[i];
 			const char *sname = info->secstrings + s->sh_name;
@@ -2505,31 +2532,15 @@ static void layout_sections(struct module *mod, struct load_info *info)
 			    || s->sh_entsize != ~0UL
 			    || !module_init_section(sname))
 				continue;
-			s->sh_entsize = (get_offset(mod, &mod->init_layout.size, s, i)
-					 | INIT_OFFSET_MASK);
+
+			section_size = get_size_from_layout(&mod->init_layout, offset_mask);
+			s->sh_entsize = get_offset(mod, section_size, s, i);
+			s->sh_entsize |= INIT_OFFSET_MASK | offset_mask;
 			pr_debug("\t%s\n", sname);
 		}
-		switch (m) {
-		case 0: /* executable */
-			mod->init_layout.size = debug_align(mod->init_layout.size);
-			mod->init_layout.text_size = mod->init_layout.size;
-			break;
-		case 1: /* RO: text and ro-data */
-			mod->init_layout.size = debug_align(mod->init_layout.size);
-			mod->init_layout.ro_size = mod->init_layout.size;
-			break;
-		case 2:
-			/*
-			 * RO after init doesn't apply to init_layout (only
-			 * core_layout), so it just takes the value of ro_size.
-			 */
-			mod->init_layout.ro_after_init_size = mod->init_layout.ro_size;
-			break;
-		case 4: /* whole init */
-			mod->init_layout.size = debug_align(mod->init_layout.size);
-			break;
-		}
 	}
+
+	set_total_size(&mod->init_layout);
 }
 
 static void set_license(struct module *mod, const char *license)
@@ -2724,7 +2735,7 @@ static void layout_symtab(struct module *mod, struct load_info *info)
 
 	/* Put symbol section at end of init part of module. */
 	symsect->sh_flags |= SHF_ALLOC;
-	symsect->sh_entsize = get_offset(mod, &mod->init_layout.size, symsect,
+	symsect->sh_entsize = get_offset(mod, &mod->init_layout.rw.size, symsect,
 					 info->index.sym) | INIT_OFFSET_MASK;
 	pr_debug("\t%s\n", info->secstrings + symsect->sh_name);
 
@@ -2742,27 +2753,28 @@ static void layout_symtab(struct module *mod, struct load_info *info)
 	}
 
 	/* Append room for core symbols at end of core part. */
-	info->symoffs = ALIGN(mod->core_layout.size, symsect->sh_addralign ?: 1);
-	info->stroffs = mod->core_layout.size = info->symoffs + ndst * sizeof(Elf_Sym);
-	mod->core_layout.size += strtab_size;
-	info->core_typeoffs = mod->core_layout.size;
+	info->symoffs = ALIGN(mod->core_layout.rw.size, symsect->sh_addralign ?: 1);
+	info->stroffs = mod->core_layout.rw.size = info->symoffs + ndst * sizeof(Elf_Sym);
+	mod->core_layout.rw.size += strtab_size;
+	info->core_typeoffs = mod->core_layout.rw.size;
 	mod->core_layout.size += ndst * sizeof(char);
-	mod->core_layout.size = debug_align(mod->core_layout.size);
 
 	/* Put string table section at end of init part of module. */
 	strsect->sh_flags |= SHF_ALLOC;
-	strsect->sh_entsize = get_offset(mod, &mod->init_layout.size, strsect,
+	strsect->sh_entsize = get_offset(mod, &mod->init_layout.rw.size, strsect,
 					 info->index.str) | INIT_OFFSET_MASK;
 	pr_debug("\t%s\n", info->secstrings + strsect->sh_name);
 
 	/* We'll tack temporary mod_kallsyms on the end. */
-	mod->init_layout.size = ALIGN(mod->init_layout.size,
-				      __alignof__(struct mod_kallsyms));
-	info->mod_kallsyms_init_off = mod->init_layout.size;
-	mod->init_layout.size += sizeof(struct mod_kallsyms);
-	info->init_typeoffs = mod->init_layout.size;
-	mod->init_layout.size += nsrc * sizeof(char);
-	mod->init_layout.size = debug_align(mod->init_layout.size);
+	mod->init_layout.rw.size = ALIGN(mod->init_layout.rw.size,
+					 __alignof__(struct mod_kallsyms));
+	info->mod_kallsyms_init_off = mod->init_layout.rw.size;
+	mod->init_layout.rw.size += sizeof(struct mod_kallsyms);
+	info->init_typeoffs = mod->init_layout.rw.size;
+	mod->init_layout.rw.size += nsrc * sizeof(char);
+
+	set_total_size(&mod->core_layout);
+	set_total_size(&mod->init_layout);
 }
 
 /*
@@ -2777,23 +2789,25 @@ static void add_kallsyms(struct module *mod, const struct load_info *info)
 	Elf_Sym *dst;
 	char *s;
 	Elf_Shdr *symsec = &info->sechdrs[info->index.sym];
+	void *core_rw = (void *)perm_alloc_address(mod->core_layout.rw.alloc);
+	void *init_rw = (void *)perm_alloc_address(mod->init_layout.rw.alloc);
 
 	/* Set up to point into init section. */
-	mod->kallsyms = mod->init_layout.base + info->mod_kallsyms_init_off;
+	mod->kallsyms = init_rw + info->mod_kallsyms_init_off;
 
 	mod->kallsyms->symtab = (void *)symsec->sh_addr;
 	mod->kallsyms->num_symtab = symsec->sh_size / sizeof(Elf_Sym);
 	/* Make sure we get permanent strtab: don't use info->strtab. */
 	mod->kallsyms->strtab = (void *)info->sechdrs[info->index.str].sh_addr;
-	mod->kallsyms->typetab = mod->init_layout.base + info->init_typeoffs;
+	mod->kallsyms->typetab = init_rw + info->init_typeoffs;
 
 	/*
 	 * Now populate the cut down core kallsyms for after init
 	 * and set types up while we still have access to sections.
 	 */
-	mod->core_kallsyms.symtab = dst = mod->core_layout.base + info->symoffs;
-	mod->core_kallsyms.strtab = s = mod->core_layout.base + info->stroffs;
-	mod->core_kallsyms.typetab = mod->core_layout.base + info->core_typeoffs;
+	mod->core_kallsyms.symtab = dst = core_rw + info->symoffs;
+	mod->core_kallsyms.strtab = s = core_rw + info->stroffs;
+	mod->core_kallsyms.typetab = core_rw + info->core_typeoffs;
 	src = mod->kallsyms->symtab;
 	for (ndst = i = 0; i < mod->kallsyms->num_symtab; i++) {
 		mod->kallsyms->typetab[i] = elf_type(src + i, info);
@@ -2845,6 +2859,110 @@ bool __weak module_init_section(const char *name)
 	return strstarts(name, ".init");
 }
 
+static void set_perm_alloc(struct perm_allocation *alloc, struct vm_struct *area,
+			   unsigned long offset, unsigned long size)
+{
+	if (!alloc)
+		return;
+
+	alloc->area = area;
+	alloc->offset = offset;
+	alloc->size = size;
+}
+
+/*
+ * Layout perm_allocs as they would have been by a straight module_alloc call in case any arch's
+ * care about that.
+ */
+bool __weak module_perm_alloc(struct module_layout *layout)
+{
+	void *addr = module_alloc(layout->size);
+	gfp_t flags = GFP_KERNEL | __GFP_ZERO;
+	struct vm_struct *area;
+
+	layout->text.alloc = NULL;
+	layout->ro.alloc = NULL;
+	layout->ro_after_init.alloc = NULL;
+	layout->rw.alloc = NULL;
+
+	if (!addr)
+		return false;
+
+	layout->base = addr;
+
+	if (IS_ENABLED(CONFIG_MMU)) {
+		area = find_vm_area(addr);
+	} else {
+		area = kmalloc(sizeof(*area), flags);
+		if (!area) {
+			module_memfree(addr);
+			return NULL;
+		}
+		area->addr = addr;
+	}
+
+	/*
+	 * This is a bit of an awkward hack. modules.c now expects all of the different permission
+	 * ranges to be in separate allocations, but we want to make this perm_allocation transition
+	 * without disturbing any arch, which may have unknown relocation rules. So to make sure
+	 * there is no functional change, allocate using the arch's module_alloc() and lay fake
+	 * perm_allocations over the top of it. This way all the sections would be laid out exactly
+	 * as before struct special_alloc was introduced until an arch adds their own
+	 * module_perm_alloc().
+	 */
+	layout->text.alloc = kmalloc(sizeof(*layout->text.alloc), flags);
+	layout->ro.alloc = kmalloc(sizeof(*layout->ro.alloc), flags);
+	layout->ro_after_init.alloc = kmalloc(sizeof(*layout->ro_after_init.alloc), flags);
+	layout->rw.alloc = kmalloc(sizeof(*layout->rw.alloc), flags);
+	if (!(layout->text.alloc && layout->ro.alloc && layout->ro_after_init.alloc &&
+	      layout->rw.alloc)) {
+		module_perm_free(layout);
+		layout->text.alloc = NULL;
+		layout->ro.alloc = NULL;
+		layout->ro_after_init.alloc = NULL;
+		layout->rw.alloc = NULL;
+		return false;
+	}
+
+	set_perm_alloc(layout->text.alloc, area, 0, layout->text.size);
+	set_perm_alloc(layout->ro.alloc, area, layout->text.size, layout->ro.size);
+	set_perm_alloc(layout->ro_after_init.alloc, area, layout->ro.alloc->offset +
+		       layout->ro.size, layout->ro_after_init.size);
+	set_perm_alloc(layout->rw.alloc, area,
+		       layout->ro_after_init.alloc->offset + layout->ro_after_init.size,
+		       layout->rw.size);
+
+	set_vm_flush_reset_perms(addr);
+
+	return true;
+}
+
+static void unset_layout_allocs(struct module_layout *layout)
+{
+	layout->text.alloc = NULL;
+	layout->ro.alloc = NULL;
+	layout->ro_after_init.alloc = NULL;
+	layout->rw.alloc = NULL;
+}
+
+void __weak module_perm_free(struct module_layout *layout)
+{
+	void *addr;
+
+	if (!layout->text.alloc)
+		return;
+	addr = (void *)perm_alloc_address(layout->text.alloc);
+
+	/* Clean up the fake perm_allocation's in a special way */
+	kfree(layout->text.alloc);
+	kfree(layout->ro.alloc);
+	kfree(layout->ro_after_init.alloc);
+	kfree(layout->rw.alloc);
+	unset_layout_allocs(layout);
+
+	module_memfree(addr);
+}
+
 bool __weak module_exit_section(const char *name)
 {
 	return strstarts(name, ".exit");
@@ -3306,54 +3424,52 @@ static int find_module_sections(struct module *mod, struct load_info *info)
 static int move_module(struct module *mod, struct load_info *info)
 {
 	int i;
-	void *ptr;
 
-	/* Do the allocs. */
-	ptr = module_alloc(mod->core_layout.size);
 	/*
 	 * The pointer to this block is stored in the module structure
 	 * which is inside the block. Just mark it as not being a
 	 * leak.
 	 */
-	kmemleak_not_leak(ptr);
-	if (!ptr)
+	if (!module_perm_alloc(&mod->core_layout))
 		return -ENOMEM;
 
-	memset(ptr, 0, mod->core_layout.size);
-	mod->core_layout.base = ptr;
+	perm_memset(mod->core_layout.text.alloc, 0xcc);
+	perm_memset(mod->core_layout.ro.alloc, 0);
+	perm_memset(mod->core_layout.ro_after_init.alloc, 0);
+	perm_memset(mod->core_layout.rw.alloc, 0);
 
 	if (mod->init_layout.size) {
-		ptr = module_alloc(mod->init_layout.size);
 		/*
 		 * The pointer to this block is stored in the module structure
 		 * which is inside the block. This block doesn't need to be
 		 * scanned as it contains data and code that will be freed
 		 * after the module is initialized.
 		 */
-		kmemleak_ignore(ptr);
-		if (!ptr) {
-			module_memfree(mod->core_layout.base);
+		if (!module_perm_alloc(&mod->init_layout))
 			return -ENOMEM;
-		}
-		memset(ptr, 0, mod->init_layout.size);
-		mod->init_layout.base = ptr;
-	} else
-		mod->init_layout.base = NULL;
+		perm_memset(mod->init_layout.text.alloc, 0xcc);
+		perm_memset(mod->init_layout.ro.alloc, 0);
+		perm_memset(mod->init_layout.rw.alloc, 0);
+	} else {
+		unset_layout_allocs(&mod->init_layout);
+	}
 
 	/* Transfer each section which specifies SHF_ALLOC */
 	pr_debug("final section addresses:\n");
 	for (i = 0; i < info->hdr->e_shnum; i++) {
 		void *dest;
+		struct perm_allocation *alloc;
+
 		Elf_Shdr *shdr = &info->sechdrs[i];
 
 		if (!(shdr->sh_flags & SHF_ALLOC))
 			continue;
 
 		if (shdr->sh_entsize & INIT_OFFSET_MASK)
-			dest = mod->init_layout.base
-				+ (shdr->sh_entsize & ~INIT_OFFSET_MASK);
+			alloc = get_alloc_from_layout(&mod->init_layout, shdr->sh_entsize);
 		else
-			dest = mod->core_layout.base + shdr->sh_entsize;
+			alloc = get_alloc_from_layout(&mod->core_layout, shdr->sh_entsize);
+		dest = (void *)perm_alloc_address(alloc) + (shdr->sh_entsize & ~ALL_OFFSET_MASK);
 
 		if (shdr->sh_type != SHT_NOBITS)
 			memcpy(dest, (void *)shdr->sh_addr, shdr->sh_size);
@@ -3414,12 +3530,13 @@ static void flush_module_icache(const struct module *mod)
 	 * Do it before processing of module parameters, so the module
 	 * can provide parameter accessor functions of its own.
 	 */
-	if (mod->init_layout.base)
-		flush_icache_range((unsigned long)mod->init_layout.base,
-				   (unsigned long)mod->init_layout.base
-				   + mod->init_layout.size);
-	flush_icache_range((unsigned long)mod->core_layout.base,
-			   (unsigned long)mod->core_layout.base + mod->core_layout.size);
+	if (mod->init_layout.text.alloc)
+		flush_icache_range((unsigned long)perm_alloc_address(mod->init_layout.text.alloc),
+				   (unsigned long)perm_alloc_address(mod->init_layout.text.alloc)
+				   + mod->init_layout.text.size);
+	flush_icache_range((unsigned long)perm_alloc_address(mod->core_layout.text.alloc),
+			   (unsigned long)perm_alloc_address(mod->init_layout.text.alloc) +
+			   mod->core_layout.text.size);
 }
 
 int __weak module_frob_arch_sections(Elf_Ehdr *hdr,
@@ -3515,8 +3632,8 @@ static void module_deallocate(struct module *mod, struct load_info *info)
 {
 	percpu_modfree(mod);
 	module_arch_freeing_init(mod);
-	module_memfree(mod->init_layout.base);
-	module_memfree(mod->core_layout.base);
+	module_perm_free(&mod->init_layout);
+	module_perm_free(&mod->core_layout);
 }
 
 int __weak module_finalize(const Elf_Ehdr *hdr,
@@ -3576,7 +3693,7 @@ static void do_mod_ctors(struct module *mod)
 /* For freeing module_init on success, in case kallsyms traversing */
 struct mod_initfree {
 	struct llist_node node;
-	void *module_init;
+	struct module_layout layout;
 };
 
 static void do_free_init(struct work_struct *w)
@@ -3590,7 +3707,7 @@ static void do_free_init(struct work_struct *w)
 
 	llist_for_each_safe(pos, n, list) {
 		initfree = container_of(pos, struct mod_initfree, node);
-		module_memfree(initfree->module_init);
+		module_perm_free(&initfree->layout);
 		kfree(initfree);
 	}
 }
@@ -3606,12 +3723,11 @@ static noinline int do_init_module(struct module *mod)
 	int ret = 0;
 	struct mod_initfree *freeinit;
 
-	freeinit = kmalloc(sizeof(*freeinit), GFP_KERNEL);
+	freeinit = kmalloc(sizeof(*freeinit) * 4, GFP_KERNEL);
 	if (!freeinit) {
 		ret = -ENOMEM;
 		goto fail;
 	}
-	freeinit->module_init = mod->init_layout.base;
 
 	/*
 	 * We want to find out whether @mod uses async during init.  Clear
@@ -3659,8 +3775,9 @@ static noinline int do_init_module(struct module *mod)
 	if (!mod->async_probe_requested && (current->flags & PF_USED_ASYNC))
 		async_synchronize_full();
 
-	ftrace_free_mem(mod, mod->init_layout.base, mod->init_layout.base +
-			mod->init_layout.size);
+	ftrace_free_mem(mod, (void *)perm_alloc_address(mod->init_layout.text.alloc),
+			(void *)perm_alloc_address(mod->init_layout.text.alloc) +
+			perm_alloc_size(mod->init_layout.text.alloc));
 	mutex_lock(&module_mutex);
 	/* Drop initial reference. */
 	module_put(mod);
@@ -3669,14 +3786,10 @@ static noinline int do_init_module(struct module *mod)
 	/* Switch to core kallsyms now init is done: kallsyms may be walking! */
 	rcu_assign_pointer(mod->kallsyms, &mod->core_kallsyms);
 #endif
-	module_enable_ro(mod, true);
+	module_map(mod, true);
 	mod_tree_remove_init(mod);
 	module_arch_freeing_init(mod);
-	mod->init_layout.base = NULL;
-	mod->init_layout.size = 0;
-	mod->init_layout.ro_size = 0;
-	mod->init_layout.ro_after_init_size = 0;
-	mod->init_layout.text_size = 0;
+
 	/*
 	 * We want to free module_init, but be aware that kallsyms may be
 	 * walking this with preempt disabled.  In all the failure paths, we
@@ -3690,6 +3803,9 @@ static noinline int do_init_module(struct module *mod)
 	 * be cleaned up needs to sync with the queued work - ie
 	 * rcu_barrier()
 	 */
+	freeinit->layout = mod->init_layout;
+	unset_layout_allocs(&mod->init_layout);
+	mod->init_layout.size = 0;
 	if (llist_add(&freeinit->node, &init_free_list))
 		schedule_work(&init_free_wq);
 
@@ -3775,9 +3891,7 @@ static int complete_formation(struct module *mod, struct load_info *info)
 	/* This relies on module_mutex for list integrity. */
 	module_bug_finalize(info->hdr, info->sechdrs, mod);
 
-	module_enable_ro(mod, false);
-	module_enable_nx(mod);
-	module_enable_x(mod);
+	module_map(mod, false);
 
 	/* Mark state as coming so strong_try_module_get() ignores us,
 	 * but kallsyms etc. can see us. */
@@ -4018,7 +4132,8 @@ static int load_module(struct load_info *info, const char __user *uargs,
 	mutex_unlock(&module_mutex);
  free_module:
 	/* Free lock-classes; relies on the preceding sync_rcu() */
-	lockdep_free_key_range(mod->core_layout.base, mod->core_layout.size);
+	lockdep_free_key_range((void *)perm_alloc_address(mod->core_layout.rw.alloc),
+			       mod->core_layout.text.size);
 
 	module_deallocate(mod, info);
  free_copy:
@@ -4110,9 +4225,11 @@ static const char *find_kallsyms_symbol(struct module *mod,
 
 	/* At worse, next value is at end of module */
 	if (within_module_init(addr, mod))
-		nextval = (unsigned long)mod->init_layout.base+mod->init_layout.text_size;
+		nextval = perm_alloc_address(mod->init_layout.text.alloc) +
+					     mod->init_layout.text.size;
 	else
-		nextval = (unsigned long)mod->core_layout.base+mod->core_layout.text_size;
+		nextval = perm_alloc_address(mod->core_layout.text.alloc) +
+					     mod->core_layout.text.size;
 
 	bestval = kallsyms_symbol_value(&kallsyms->symtab[best]);
 
@@ -4404,7 +4521,7 @@ static int m_show(struct seq_file *m, void *p)
 		   mod->state == MODULE_STATE_COMING ? "Loading" :
 		   "Live");
 	/* Used by oprofile and other similar tools. */
-	value = m->private ? NULL : mod->core_layout.base;
+	value = m->private ? NULL : (void *)perm_alloc_address(mod->core_layout.text.alloc);
 	seq_printf(m, " 0x%px", value);
 
 	/* Taints info */
@@ -4524,11 +4641,8 @@ struct module *__module_address(unsigned long addr)
 	module_assert_mutex_or_preempt();
 
 	mod = mod_find(addr);
-	if (mod) {
-		BUG_ON(!within_module(addr, mod));
-		if (mod->state == MODULE_STATE_UNFORMED)
-			mod = NULL;
-	}
+	BUG_ON(mod && !within_module(addr, mod));
+
 	return mod;
 }
 
@@ -4562,9 +4676,12 @@ struct module *__module_text_address(unsigned long addr)
 {
 	struct module *mod = __module_address(addr);
 	if (mod) {
+		void *init_text = (void *)perm_alloc_address(mod->init_layout.text.alloc);
+		void *core_text = (void *)perm_alloc_address(mod->init_layout.text.alloc);
+
 		/* Make sure it's within the text section. */
-		if (!within(addr, mod->init_layout.base, mod->init_layout.text_size)
-		    && !within(addr, mod->core_layout.base, mod->core_layout.text_size))
+		if (!within(addr, init_text, mod->init_layout.text.size) &&
+		    !within(addr, core_text, mod->core_layout.text.size))
 			mod = NULL;
 	}
 	return mod;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 22+ messages in thread

* [PATCH RFC 04/10] module: Support separate writable allocation
  2020-11-20 20:24 [PATCH RFC 00/10] New permission vmalloc interface Rick Edgecombe
                   ` (2 preceding siblings ...)
  2020-11-20 20:24 ` [PATCH RFC 03/10] module: Use perm_alloc() for modules Rick Edgecombe
@ 2020-11-20 20:24 ` Rick Edgecombe
  2020-11-20 20:24 ` [PATCH RFC 05/10] x86/modules: Use real perm_allocations Rick Edgecombe
                   ` (5 subsequent siblings)
  9 siblings, 0 replies; 22+ messages in thread
From: Rick Edgecombe @ 2020-11-20 20:24 UTC (permalink / raw)
  To: akpm, jeyu, bpf, ast, daniel, luto, dave.hansen, peterz, x86,
	rppt, linux-mm, linux-kernel, dan.j.williams
  Cc: elena.reshetova, ira.weiny, Rick Edgecombe

The perm_alloc interface supports architectures to direct writes
intended for an allocation to a separate writable staging area before a
mapping is made live. In order to support this, change modules to write
to the address provided by perm_writable_addr(). Currently this is the
same address of the final allocation, so this patch should not create
any functional change yet.

To facilitate re-direction to separate writable staging areas, create a
helper module_adjust_writable_addr(). This function will return an
allocation's writable address if the parameter address is from a module
that is in the process of being loaded. If the address does not meet that
criteria, simply return the address passed in. This helper, while a
little heavy weight, will allow callers in upcoming patches to simply
retrieve the writable address without context of what module is being
loaded.

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
---
 include/linux/module.h | 22 ++++++++++++++++++++++
 kernel/module.c        | 14 +++++++++-----
 2 files changed, 31 insertions(+), 5 deletions(-)

diff --git a/include/linux/module.h b/include/linux/module.h
index 9964f909d879..32dd22b2a38a 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -576,6 +576,23 @@ struct perm_allocation *module_get_allocation(struct module *mod, unsigned long
 bool module_perm_alloc(struct module_layout *layout);
 void module_perm_free(struct module_layout *layout);
 
+static inline void *module_adjust_writable_addr(void *addr)
+{
+	unsigned long laddr = (unsigned long)addr;
+	struct module *mod;
+
+	mutex_lock(&module_mutex);
+	mod = __module_address(laddr);
+	if (!mod) {
+		mutex_unlock(&module_mutex);
+		return addr;
+	}
+	mutex_unlock(&module_mutex);
+	/* The module shouldn't be going away if someone is trying to write to it */
+
+	return (void *)perm_writable_addr(module_get_allocation(mod, laddr), laddr);
+}
+
 static inline bool within_module_core(unsigned long addr,
 				      const struct module *mod)
 {
@@ -853,6 +870,11 @@ void *dereference_module_function_descriptor(struct module *mod, void *ptr)
 	return ptr;
 }
 
+static inline void *module_adjust_writable_addr(void *addr)
+{
+	return addr;
+}
+
 #endif /* CONFIG_MODULES */
 
 #ifdef CONFIG_SYSFS
diff --git a/kernel/module.c b/kernel/module.c
index 0b31c44798e2..d0afedd36cea 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -3457,7 +3457,7 @@ static int move_module(struct module *mod, struct load_info *info)
 	/* Transfer each section which specifies SHF_ALLOC */
 	pr_debug("final section addresses:\n");
 	for (i = 0; i < info->hdr->e_shnum; i++) {
-		void *dest;
+		void *dest, *wdest;
 		struct perm_allocation *alloc;
 
 		Elf_Shdr *shdr = &info->sechdrs[i];
@@ -3470,9 +3470,10 @@ static int move_module(struct module *mod, struct load_info *info)
 		else
 			alloc = get_alloc_from_layout(&mod->core_layout, shdr->sh_entsize);
 		dest = (void *)perm_alloc_address(alloc) + (shdr->sh_entsize & ~ALL_OFFSET_MASK);
+		wdest = (void *)perm_writable_addr(alloc, (unsigned long)dest);
 
 		if (shdr->sh_type != SHT_NOBITS)
-			memcpy(dest, (void *)shdr->sh_addr, shdr->sh_size);
+			memcpy(wdest, (void *)shdr->sh_addr, shdr->sh_size);
 		/* Update sh_addr to point to copy in image. */
 		shdr->sh_addr = (unsigned long)dest;
 		pr_debug("\t0x%lx %s\n",
@@ -3645,12 +3646,15 @@ int __weak module_finalize(const Elf_Ehdr *hdr,
 
 static int post_relocation(struct module *mod, const struct load_info *info)
 {
+	struct exception_table_entry *extable_writ = module_adjust_writable_addr(mod->extable);
+	void *pcpu = (void *)info->sechdrs[info->index.pcpu].sh_addr;
+	void *percpu_writ = module_adjust_writable_addr(pcpu);
+
 	/* Sort exception table now relocations are done. */
-	sort_extable(mod->extable, mod->extable + mod->num_exentries);
+	sort_extable(extable_writ, mod->extable + mod->num_exentries);
 
 	/* Copy relocated percpu area over. */
-	percpu_modcopy(mod, (void *)info->sechdrs[info->index.pcpu].sh_addr,
-		       info->sechdrs[info->index.pcpu].sh_size);
+	percpu_modcopy(mod, percpu_writ, info->sechdrs[info->index.pcpu].sh_size);
 
 	/* Setup kallsyms-specific fields. */
 	add_kallsyms(mod, info);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 22+ messages in thread

* [PATCH RFC 05/10] x86/modules: Use real perm_allocations
  2020-11-20 20:24 [PATCH RFC 00/10] New permission vmalloc interface Rick Edgecombe
                   ` (3 preceding siblings ...)
  2020-11-20 20:24 ` [PATCH RFC 04/10] module: Support separate writable allocation Rick Edgecombe
@ 2020-11-20 20:24 ` Rick Edgecombe
  2020-11-20 20:24 ` [PATCH RFC 06/10] x86/alternatives: Handle perm_allocs for modules Rick Edgecombe
                   ` (4 subsequent siblings)
  9 siblings, 0 replies; 22+ messages in thread
From: Rick Edgecombe @ 2020-11-20 20:24 UTC (permalink / raw)
  To: akpm, jeyu, bpf, ast, daniel, luto, dave.hansen, peterz, x86,
	rppt, linux-mm, linux-kernel, dan.j.williams
  Cc: elena.reshetova, ira.weiny, Rick Edgecombe

x86 relocations require all of the text sections to be within 2GB of
eachother. So as long as the allocations are somewhere in the module area,
relocations can be applied. So relax the restriction of having the module
regions for a module core or init area be virtually contiguous.

Also, apply relocations at the writable address of the perm_allocation to
support a future implementation that has the writable address in a
different allocation.

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
---
 arch/x86/kernel/module.c | 84 +++++++++++++++++++++++++++++++++-------
 1 file changed, 71 insertions(+), 13 deletions(-)

diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
index 34b153cbd4ac..7b369f5ffdb7 100644
--- a/arch/x86/kernel/module.c
+++ b/arch/x86/kernel/module.c
@@ -85,6 +85,58 @@ void *module_alloc(unsigned long size)
 	return p;
 }
 
+bool module_perm_alloc(struct module_layout *layout)
+{
+	unsigned long vstart = MODULES_VADDR + get_module_load_offset();
+	unsigned long vend = MODULES_END;
+	unsigned int text_page_cnt = PAGE_ALIGN(layout->text.size) >> PAGE_SHIFT;
+	unsigned int ro_page_cnt = PAGE_ALIGN(layout->ro.size) >> PAGE_SHIFT;
+	unsigned int ro_after_init_page_cnt = PAGE_ALIGN(layout->ro_after_init.size) >> PAGE_SHIFT;
+	unsigned int rw_page_cnt = PAGE_ALIGN(layout->rw.size) >> PAGE_SHIFT;
+
+	layout->text.alloc = NULL;
+	layout->ro.alloc = NULL;
+	layout->ro_after_init.alloc = NULL;
+	layout->rw.alloc = NULL;
+
+	layout->text.alloc = perm_alloc(vstart, vend, text_page_cnt, PERM_RX);
+	if (!layout->text.alloc && layout->text.size)
+		goto out;
+
+	layout->ro.alloc = perm_alloc(vstart, vend, ro_page_cnt, PERM_R);
+	if (!layout->ro.alloc && layout->ro.size)
+		goto text_free_out;
+
+	layout->ro_after_init.alloc = perm_alloc(vstart, vend, ro_after_init_page_cnt, PERM_RW);
+	if (!layout->ro_after_init.alloc && layout->ro_after_init.size)
+		goto ro_free_out;
+
+	layout->rw.alloc = perm_alloc(vstart, vend, rw_page_cnt, PERM_RW);
+	if (!layout->rw.alloc && layout->rw.size)
+		goto ro_after_init_out;
+
+	return true;
+ro_after_init_out:
+	perm_free(layout->ro_after_init.alloc);
+	layout->ro_after_init.alloc = NULL;
+ro_free_out:
+	perm_free(layout->ro.alloc);
+	layout->ro.alloc = NULL;
+text_free_out:
+	perm_free(layout->text.alloc);
+	layout->text.alloc = NULL;
+out:
+	return false;
+}
+
+void module_perm_free(struct module_layout *layout)
+{
+	perm_free(layout->text.alloc);
+	perm_free(layout->ro.alloc);
+	perm_free(layout->ro_after_init.alloc);
+	perm_free(layout->rw.alloc);
+}
+
 #ifdef CONFIG_X86_32
 int apply_relocate(Elf32_Shdr *sechdrs,
 		   const char *strtab,
@@ -134,9 +186,11 @@ static int __apply_relocate_add(Elf64_Shdr *sechdrs,
 		   void *(*write)(void *dest, const void *src, size_t len))
 {
 	unsigned int i;
+	struct perm_allocation *alloc;
 	Elf64_Rela *rel = (void *)sechdrs[relsec].sh_addr;
 	Elf64_Sym *sym;
 	void *loc;
+	void *writable_loc;
 	u64 val;
 
 	DEBUGP("Applying relocate section %u to %u\n",
@@ -146,6 +200,9 @@ static int __apply_relocate_add(Elf64_Shdr *sechdrs,
 		loc = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
 			+ rel[i].r_offset;
 
+		alloc = module_get_allocation(me, (unsigned long)loc);
+		writable_loc = (void *)perm_writable_addr(alloc, (unsigned long)loc);
+
 		/* This is the symbol it is referring to.  Note that all
 		   undefined symbols have been resolved.  */
 		sym = (Elf64_Sym *)sechdrs[symindex].sh_addr
@@ -161,40 +218,40 @@ static int __apply_relocate_add(Elf64_Shdr *sechdrs,
 		case R_X86_64_NONE:
 			break;
 		case R_X86_64_64:
-			if (*(u64 *)loc != 0)
+			if (*(u64 *)writable_loc != 0)
 				goto invalid_relocation;
-			write(loc, &val, 8);
+			write(writable_loc, &val, 8);
 			break;
 		case R_X86_64_32:
-			if (*(u32 *)loc != 0)
+			if (*(u32 *)writable_loc != 0)
 				goto invalid_relocation;
-			write(loc, &val, 4);
-			if (val != *(u32 *)loc)
+			write(writable_loc, &val, 4);
+			if (val != *(u32 *)writable_loc)
 				goto overflow;
 			break;
 		case R_X86_64_32S:
-			if (*(s32 *)loc != 0)
+			if (*(s32 *)writable_loc != 0)
 				goto invalid_relocation;
-			write(loc, &val, 4);
-			if ((s64)val != *(s32 *)loc)
+			write(writable_loc, &val, 4);
+			if ((s64)val != *(s32 *)writable_loc)
 				goto overflow;
 			break;
 		case R_X86_64_PC32:
 		case R_X86_64_PLT32:
-			if (*(u32 *)loc != 0)
+			if (*(u32 *)writable_loc != 0)
 				goto invalid_relocation;
 			val -= (u64)loc;
-			write(loc, &val, 4);
+			write(writable_loc, &val, 4);
 #if 0
-			if ((s64)val != *(s32 *)loc)
+			if ((s64)val != *(s32 *)writable_loc)
 				goto overflow;
 #endif
 			break;
 		case R_X86_64_PC64:
-			if (*(u64 *)loc != 0)
+			if (*(u64 *)writable_loc != 0)
 				goto invalid_relocation;
 			val -= (u64)loc;
-			write(loc, &val, 8);
+			write(writable_loc, &val, 8);
 			break;
 		default:
 			pr_err("%s: Unknown rela relocation: %llu\n",
@@ -273,6 +330,7 @@ int module_finalize(const Elf_Ehdr *hdr,
 		void *aseg = (void *)alt->sh_addr;
 		apply_alternatives(aseg, aseg + alt->sh_size);
 	}
+
 	if (locks && text) {
 		void *lseg = (void *)locks->sh_addr;
 		void *tseg = (void *)text->sh_addr;
-- 
2.20.1


^ permalink raw reply	[flat|nested] 22+ messages in thread

* [PATCH RFC 06/10] x86/alternatives: Handle perm_allocs for modules
  2020-11-20 20:24 [PATCH RFC 00/10] New permission vmalloc interface Rick Edgecombe
                   ` (4 preceding siblings ...)
  2020-11-20 20:24 ` [PATCH RFC 05/10] x86/modules: Use real perm_allocations Rick Edgecombe
@ 2020-11-20 20:24 ` Rick Edgecombe
  2020-11-20 20:24 ` [PATCH RFC 07/10] x86/unwind: Unwind orc at module writable address Rick Edgecombe
                   ` (3 subsequent siblings)
  9 siblings, 0 replies; 22+ messages in thread
From: Rick Edgecombe @ 2020-11-20 20:24 UTC (permalink / raw)
  To: akpm, jeyu, bpf, ast, daniel, luto, dave.hansen, peterz, x86,
	rppt, linux-mm, linux-kernel, dan.j.williams
  Cc: elena.reshetova, ira.weiny, Rick Edgecombe

Modules being loaded using perm_allocs may have a separate writable
address. Handle this case in alternatives for operations called during
module loading.

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
---
 arch/x86/kernel/alternative.c | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 2400ad62f330..e6d8a696540b 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -373,7 +373,7 @@ void __init_or_module noinline apply_alternatives(struct alt_instr *start,
 						  struct alt_instr *end)
 {
 	struct alt_instr *a;
-	u8 *instr, *replacement;
+	u8 *instr, *writ_instr, *replacement, *writ_replacement;
 	u8 insn_buff[MAX_PATCH_LEN];
 
 	DPRINTK("alt table %px, -> %px", start, end);
@@ -391,11 +391,13 @@ void __init_or_module noinline apply_alternatives(struct alt_instr *start,
 
 		instr = (u8 *)&a->instr_offset + a->instr_offset;
 		replacement = (u8 *)&a->repl_offset + a->repl_offset;
+		writ_instr = (u8 *)module_adjust_writable_addr(instr);
+		writ_replacement = (u8 *)module_adjust_writable_addr(replacement);
 		BUG_ON(a->instrlen > sizeof(insn_buff));
 		BUG_ON(a->cpuid >= (NCAPINTS + NBUGINTS) * 32);
 		if (!boot_cpu_has(a->cpuid)) {
 			if (a->padlen > 1)
-				optimize_nops(a, instr);
+				optimize_nops(a, writ_instr);
 
 			continue;
 		}
@@ -403,13 +405,13 @@ void __init_or_module noinline apply_alternatives(struct alt_instr *start,
 		DPRINTK("feat: %d*32+%d, old: (%pS (%px) len: %d), repl: (%px, len: %d), pad: %d",
 			a->cpuid >> 5,
 			a->cpuid & 0x1f,
-			instr, instr, a->instrlen,
+			writ_instr, instr, a->instrlen,
 			replacement, a->replacementlen, a->padlen);
 
 		DUMP_BYTES(instr, a->instrlen, "%px: old_insn: ", instr);
 		DUMP_BYTES(replacement, a->replacementlen, "%px: rpl_insn: ", replacement);
 
-		memcpy(insn_buff, replacement, a->replacementlen);
+		memcpy(insn_buff, writ_replacement, a->replacementlen);
 		insn_buff_sz = a->replacementlen;
 
 		/*
@@ -435,7 +437,7 @@ void __init_or_module noinline apply_alternatives(struct alt_instr *start,
 		}
 		DUMP_BYTES(insn_buff, insn_buff_sz, "%px: final_insn: ", instr);
 
-		text_poke_early(instr, insn_buff, insn_buff_sz);
+		text_poke_early(writ_instr, insn_buff, insn_buff_sz);
 	}
 }
 
@@ -496,6 +498,10 @@ void __init_or_module alternatives_smp_module_add(struct module *mod,
 						  void *text,  void *text_end)
 {
 	struct smp_alt_module *smp;
+	void *w_locks = module_adjust_writable_addr(locks);
+	void *w_locks_end = module_adjust_writable_addr(locks_end);
+	void *w_text = module_adjust_writable_addr(text);
+	void *w_text_end = module_adjust_writable_addr(text_end);
 
 	mutex_lock(&text_mutex);
 	if (!uniproc_patched)
@@ -522,7 +528,7 @@ void __init_or_module alternatives_smp_module_add(struct module *mod,
 
 	list_add_tail(&smp->next, &smp_alt_modules);
 smp_unlock:
-	alternatives_smp_unlock(locks, locks_end, text, text_end);
+	alternatives_smp_unlock(w_locks, w_locks_end, w_text, w_text_end);
 unlock:
 	mutex_unlock(&text_mutex);
 }
@@ -601,17 +607,18 @@ void __init_or_module apply_paravirt(struct paravirt_patch_site *start,
 
 	for (p = start; p < end; p++) {
 		unsigned int used;
+		void *writable = module_adjust_writable_addr(p->instr);
 
 		BUG_ON(p->len > MAX_PATCH_LEN);
 		/* prep the buffer with the original instructions */
-		memcpy(insn_buff, p->instr, p->len);
-		used = pv_ops.init.patch(p->type, insn_buff, (unsigned long)p->instr, p->len);
+		memcpy(insn_buff, writable, p->len);
+		used = pv_ops.init.patch(p->type, insn_buff, (unsigned long)writable, p->len);
 
 		BUG_ON(used > p->len);
 
 		/* Pad the rest with nops */
 		add_nops(insn_buff + used, p->len - used);
-		text_poke_early(p->instr, insn_buff, p->len);
+		text_poke_early(writable, insn_buff, p->len);
 	}
 }
 extern struct paravirt_patch_site __start_parainstructions[],
-- 
2.20.1


^ permalink raw reply	[flat|nested] 22+ messages in thread

* [PATCH RFC 07/10] x86/unwind: Unwind orc at module writable address
  2020-11-20 20:24 [PATCH RFC 00/10] New permission vmalloc interface Rick Edgecombe
                   ` (5 preceding siblings ...)
  2020-11-20 20:24 ` [PATCH RFC 06/10] x86/alternatives: Handle perm_allocs for modules Rick Edgecombe
@ 2020-11-20 20:24 ` Rick Edgecombe
  2020-11-20 20:24 ` [PATCH RFC 08/10] jump_label: Handle " Rick Edgecombe
                   ` (2 subsequent siblings)
  9 siblings, 0 replies; 22+ messages in thread
From: Rick Edgecombe @ 2020-11-20 20:24 UTC (permalink / raw)
  To: akpm, jeyu, bpf, ast, daniel, luto, dave.hansen, peterz, x86,
	rppt, linux-mm, linux-kernel, dan.j.williams
  Cc: elena.reshetova, ira.weiny, Rick Edgecombe

Since modules can have a separate writable address during loading,
do the orc unwind at the writable address.

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
---
 arch/x86/kernel/unwind_orc.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/unwind_orc.c b/arch/x86/kernel/unwind_orc.c
index 73f800100066..41f9022a10cc 100644
--- a/arch/x86/kernel/unwind_orc.c
+++ b/arch/x86/kernel/unwind_orc.c
@@ -238,8 +238,8 @@ static int orc_sort_cmp(const void *_a, const void *_b)
 void unwind_module_init(struct module *mod, void *_orc_ip, size_t orc_ip_size,
 			void *_orc, size_t orc_size)
 {
-	int *orc_ip = _orc_ip;
-	struct orc_entry *orc = _orc;
+	int *orc_ip = module_adjust_writable_addr(_orc_ip);
+	struct orc_entry *orc = module_adjust_writable_addr(_orc);
 	unsigned int num_entries = orc_ip_size / sizeof(int);
 
 	WARN_ON_ONCE(orc_ip_size % sizeof(int) != 0 ||
@@ -257,8 +257,8 @@ void unwind_module_init(struct module *mod, void *_orc_ip, size_t orc_ip_size,
 	sort(orc_ip, num_entries, sizeof(int), orc_sort_cmp, orc_sort_swap);
 	mutex_unlock(&sort_mutex);
 
-	mod->arch.orc_unwind_ip = orc_ip;
-	mod->arch.orc_unwind = orc;
+	mod->arch.orc_unwind_ip = _orc_ip;
+	mod->arch.orc_unwind = _orc;
 	mod->arch.num_orcs = num_entries;
 }
 #endif
-- 
2.20.1


^ permalink raw reply	[flat|nested] 22+ messages in thread

* [PATCH RFC 08/10] jump_label: Handle module writable address
  2020-11-20 20:24 [PATCH RFC 00/10] New permission vmalloc interface Rick Edgecombe
                   ` (6 preceding siblings ...)
  2020-11-20 20:24 ` [PATCH RFC 07/10] x86/unwind: Unwind orc at module writable address Rick Edgecombe
@ 2020-11-20 20:24 ` Rick Edgecombe
  2020-11-20 20:24 ` [PATCH RFC 09/10] ftrace: Use " Rick Edgecombe
  2020-11-20 20:24 ` [PATCH RFC 10/10] vmalloc: Add perm_alloc x86 implementation Rick Edgecombe
  9 siblings, 0 replies; 22+ messages in thread
From: Rick Edgecombe @ 2020-11-20 20:24 UTC (permalink / raw)
  To: akpm, jeyu, bpf, ast, daniel, luto, dave.hansen, peterz, x86,
	rppt, linux-mm, linux-kernel, dan.j.williams
  Cc: elena.reshetova, ira.weiny, Rick Edgecombe

Since modules can have a separate writable address during loading,
do the nop application at the writable address.

As long as info is on hand about if the operations is happening during
a module load, don't do a full text_poke() when writing data to a
writable address.

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
---
 arch/x86/kernel/jump_label.c | 18 ++++++++++++++++--
 kernel/jump_label.c          |  2 +-
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/jump_label.c b/arch/x86/kernel/jump_label.c
index 5ba8477c2cb7..7a50148a63dd 100644
--- a/arch/x86/kernel/jump_label.c
+++ b/arch/x86/kernel/jump_label.c
@@ -63,6 +63,18 @@ static inline void __jump_label_transform(struct jump_entry *entry,
 					  int init)
 {
 	const void *opcode = __jump_label_set_jump_code(entry, type, init);
+	unsigned long addr = jump_entry_code(entry);
+	struct module *mod = __module_address(addr);
+	bool mod_writable = false;
+
+	if (mod) {
+		struct perm_allocation *alloc = module_get_allocation(mod, addr);
+
+		if (perm_is_writable(alloc)) {
+			addr = perm_writable_addr(alloc, addr);
+			mod_writable = true;
+		}
+	}
 
 	/*
 	 * As long as only a single processor is running and the code is still
@@ -74,9 +86,11 @@ static inline void __jump_label_transform(struct jump_entry *entry,
 	 * At the time the change is being done, just ignore whether we
 	 * are doing nop -> jump or jump -> nop transition, and assume
 	 * always nop being the 'currently valid' instruction
+	 *
+	 * If this is a module being loaded, text_poke_early can also be used.
 	 */
-	if (init || system_state == SYSTEM_BOOTING) {
-		text_poke_early((void *)jump_entry_code(entry), opcode,
+	if (init || system_state == SYSTEM_BOOTING || mod_writable) {
+		text_poke_early((void *)addr, opcode,
 				JUMP_LABEL_NOP_SIZE);
 		return;
 	}
diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index 015ef903ce8c..3919e78fce12 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -595,7 +595,7 @@ static void __jump_label_mod_update(struct static_key *key)
  */
 void jump_label_apply_nops(struct module *mod)
 {
-	struct jump_entry *iter_start = mod->jump_entries;
+	struct jump_entry *iter_start = module_adjust_writable_addr(mod->jump_entries);
 	struct jump_entry *iter_stop = iter_start + mod->num_jump_entries;
 	struct jump_entry *iter;
 
-- 
2.20.1


^ permalink raw reply	[flat|nested] 22+ messages in thread

* [PATCH RFC 09/10] ftrace: Use module writable address
  2020-11-20 20:24 [PATCH RFC 00/10] New permission vmalloc interface Rick Edgecombe
                   ` (7 preceding siblings ...)
  2020-11-20 20:24 ` [PATCH RFC 08/10] jump_label: Handle " Rick Edgecombe
@ 2020-11-20 20:24 ` Rick Edgecombe
  2020-11-20 20:24 ` [PATCH RFC 10/10] vmalloc: Add perm_alloc x86 implementation Rick Edgecombe
  9 siblings, 0 replies; 22+ messages in thread
From: Rick Edgecombe @ 2020-11-20 20:24 UTC (permalink / raw)
  To: akpm, jeyu, bpf, ast, daniel, luto, dave.hansen, peterz, x86,
	rppt, linux-mm, linux-kernel, dan.j.williams
  Cc: elena.reshetova, ira.weiny, Rick Edgecombe

Use the module writable address to accommodate arch's that have a
separate writable address for perm_alloc.

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
---
 kernel/trace/ftrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 8185f7240095..ea6377108bab 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -6134,7 +6134,7 @@ static int ftrace_process_locs(struct module *mod,
 	if (!count)
 		return 0;
 
-	sort(start, count, sizeof(*start),
+	sort(module_adjust_writable_addr(start), count, sizeof(*start),
 	     ftrace_cmp_ips, NULL);
 
 	start_pg = ftrace_allocate_pages(count);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 22+ messages in thread

* [PATCH RFC 10/10] vmalloc: Add perm_alloc x86 implementation
  2020-11-20 20:24 [PATCH RFC 00/10] New permission vmalloc interface Rick Edgecombe
                   ` (8 preceding siblings ...)
  2020-11-20 20:24 ` [PATCH RFC 09/10] ftrace: Use " Rick Edgecombe
@ 2020-11-20 20:24 ` Rick Edgecombe
  2020-11-22 15:29   ` [vmalloc] 377647beed: WARNING:at_arch/x86/kernel/ftrace.c:#ftrace_verify_code kernel test robot
  9 siblings, 1 reply; 22+ messages in thread
From: Rick Edgecombe @ 2020-11-20 20:24 UTC (permalink / raw)
  To: akpm, jeyu, bpf, ast, daniel, luto, dave.hansen, peterz, x86,
	rppt, linux-mm, linux-kernel, dan.j.williams
  Cc: elena.reshetova, ira.weiny, Rick Edgecombe

Create a custom perm_alloc() implementation for x86. Allocate a new buffer
to be returned by perm_writable_addr(), and text_poke() it into the final
allocation in perm_writable_finish(). Map the allocation at it's final
permissions so that it does not need to be shot down as it transitions
from writable to read-only.

Since x86 direct map permissions are set via set_memory_() calls whose
alias mappings can be scattered across the direct map, instead draw from
blocks of 2MB unmapped pages. Previously the direct map was marked RO
for a RO vmalloc alias, however unmapping the direct map instead will
allow us to remap them later without a shootdown.

Register a shrinker callback to allow for this pool of pages to be
freed. This should reduce breaking large pages on the direct map
over the existing set_memory_() based solutions. Since the pages are left
as 4k NP pages, we can remap them in the shrinker callback without any
split or flush.

An algorithm for how many unmapped pages to keep in the cache is still a
todo. Currently it will grow until the shrinker triggers.

By grabbing whole 2MB pages this may reduce the availability of high page
order blocks in some cases. However, it could just as easily improve the
availability of high order pages for cases where the vmalloc allocations
could be long lived, such as modules, by grouping these long lived
allocations together. By caching pages, this would however reduce pages
available to other parts of the kernel for use in other caches.

Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
---
 arch/x86/Kconfig                  |   1 +
 arch/x86/include/asm/set_memory.h |   2 +
 arch/x86/mm/Makefile              |   1 +
 arch/x86/mm/pat/set_memory.c      |  13 +
 arch/x86/mm/vmalloc.c             | 438 ++++++++++++++++++++++++++++++
 5 files changed, 455 insertions(+)
 create mode 100644 arch/x86/mm/vmalloc.c

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index f6946b81f74a..aa3c19fa23f0 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -78,6 +78,7 @@ config X86
 	select ARCH_HAS_COPY_MC			if X86_64
 	select ARCH_HAS_SET_MEMORY
 	select ARCH_HAS_SET_DIRECT_MAP
+	select ARCH_HAS_PERM_ALLOC_IMPLEMENTATION	if X86_64
 	select ARCH_HAS_STRICT_KERNEL_RWX
 	select ARCH_HAS_STRICT_MODULE_RWX
 	select ARCH_HAS_SYNC_CORE_BEFORE_USERMODE
diff --git a/arch/x86/include/asm/set_memory.h b/arch/x86/include/asm/set_memory.h
index 5948218f35c5..0d3efed009bb 100644
--- a/arch/x86/include/asm/set_memory.h
+++ b/arch/x86/include/asm/set_memory.h
@@ -49,6 +49,8 @@ int set_memory_decrypted(unsigned long addr, int numpages);
 int set_memory_np_noalias(unsigned long addr, int numpages);
 int set_memory_nonglobal(unsigned long addr, int numpages);
 int set_memory_global(unsigned long addr, int numpages);
+int set_memory_noalias_noflush(unsigned long addr, int numpages,
+			       pgprot_t mask_set, pgprot_t mask_clr);
 
 int set_pages_array_uc(struct page **pages, int addrinarray);
 int set_pages_array_wc(struct page **pages, int addrinarray);
diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile
index 5864219221ca..fb7a566bfedc 100644
--- a/arch/x86/mm/Makefile
+++ b/arch/x86/mm/Makefile
@@ -35,6 +35,7 @@ obj-$(CONFIG_PTDUMP_CORE)	+= dump_pagetables.o
 obj-$(CONFIG_PTDUMP_DEBUGFS)	+= debug_pagetables.o
 
 obj-$(CONFIG_HIGHMEM)		+= highmem_32.o
+obj-$(CONFIG_ARCH_HAS_PERM_ALLOC_IMPLEMENTATION)	+= vmalloc.o
 
 KASAN_SANITIZE_kasan_init_$(BITS).o := n
 obj-$(CONFIG_KASAN)		+= kasan_init_$(BITS).o
diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c
index 40baa90e74f4..59f42de1e6ab 100644
--- a/arch/x86/mm/pat/set_memory.c
+++ b/arch/x86/mm/pat/set_memory.c
@@ -1954,6 +1954,19 @@ int set_memory_np_noalias(unsigned long addr, int numpages)
 					cpa_flags, NULL);
 }
 
+int set_memory_noalias_noflush(unsigned long addr, int numpages,
+			       pgprot_t mask_set, pgprot_t mask_clr)
+{
+	struct cpa_data cpa = { .vaddr = &addr,
+				.pgd = NULL,
+				.numpages = numpages,
+				.mask_set = mask_set,
+				.mask_clr = mask_clr,
+				.flags = CPA_NO_CHECK_ALIAS};
+
+	return __change_page_attr_set_clr(&cpa, 0);
+}
+
 int set_memory_4k(unsigned long addr, int numpages)
 {
 	return change_page_attr_set_clr(&addr, numpages, __pgprot(0),
diff --git a/arch/x86/mm/vmalloc.c b/arch/x86/mm/vmalloc.c
new file mode 100644
index 000000000000..2bc6381cbd2d
--- /dev/null
+++ b/arch/x86/mm/vmalloc.c
@@ -0,0 +1,438 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/vmalloc.h>
+#include <linux/slab.h>
+#include <linux/shrinker.h>
+#include <linux/list.h>
+#include <linux/mm.h>
+#include <asm/set_memory.h>
+#include <asm/tlbflush.h>
+#include <asm/text-patching.h>
+#include <linux/memory.h>
+
+#define DIRECTMAP_PROTECTED	0
+#define DIRECTMAP_UNPROTECTED	1
+
+static LIST_HEAD(pages);
+static int page_cnt;
+static DEFINE_SPINLOCK(pages_lock);
+
+#define DEFINE_RANGE_CALC(x) struct range_calc x = {.min = ULONG_MAX, .max = 0}
+
+struct range_calc {
+	unsigned long min;
+	unsigned long max;
+};
+
+static inline void grow_range(struct range_calc *grower, unsigned long addr, unsigned long size)
+{
+	if (addr < grower->min)
+		grower->min = addr;
+	if (addr + size > grower->max)
+		grower->max = addr;
+}
+
+static inline void grow_range_page(struct range_calc *grower, struct page *page)
+{
+	unsigned long addr = (unsigned long)page_address(page);
+
+	if (!addr)
+		return;
+
+	grow_range(grower, addr, PAGE_SIZE);
+}
+
+static inline bool has_range(struct range_calc *grower)
+{
+	return grower->min != ULONG_MAX && grower->max != 0;
+}
+
+static unsigned long perm_shrink_count(struct shrinker *shrinker, struct shrink_control *sc)
+{
+	unsigned long ret;
+
+	spin_lock(&pages_lock);
+	ret = page_cnt;
+	spin_unlock(&pages_lock);
+
+	return ret;
+}
+
+static struct page *__get_perm_page(void)
+{
+	struct page *page;
+
+	spin_lock(&pages_lock);
+	page = list_first_entry(&pages, struct page, lru);
+	list_del(&page->lru);
+	spin_unlock(&pages_lock);
+
+	return page;
+}
+
+static unsigned long perm_shrink_scan(struct shrinker *shrinker, struct shrink_control *sc)
+{
+	DEFINE_RANGE_CALC(range);
+	static LIST_HEAD(to_free_list);
+	struct page *page, *tmp;
+	unsigned int i, cnt = 0;
+
+	for (i = 0; i < sc->nr_to_scan; i++) {
+		page = __get_perm_page();
+		if (!page)
+			continue;
+
+		grow_range_page(&range, page);
+		set_direct_map_default_noflush(page);
+		list_add(&page->lru, &to_free_list);
+		cnt++;
+	}
+
+	if (has_range(&range))
+		flush_tlb_kernel_range(range.min, range.max);
+
+	list_for_each_entry_safe(page, tmp, &to_free_list, lru)
+		__free_pages(page, 0);
+
+	return cnt;
+}
+
+static struct shrinker perm_shrinker = {
+	.count_objects = perm_shrink_count,
+	.scan_objects = perm_shrink_scan,
+	.seeks = DEFAULT_SEEKS
+};
+
+static bool replenish_pages_one(void)
+{
+	struct page *page = alloc_pages(GFP_KERNEL | __GFP_ZERO, 0);
+
+	if (!page)
+		return false;
+
+	spin_lock(&pages_lock);
+	list_add(&page->lru, &pages);
+	page->private = DIRECTMAP_UNPROTECTED;
+	page_cnt++;
+	spin_unlock(&pages_lock);
+
+	return true;
+}
+
+static bool replenish_pages(void)
+{
+	struct page *page = alloc_pages(GFP_KERNEL | __GFP_ZERO, 9); /* 2MB */
+	DEFINE_RANGE_CALC(range);
+	int convert_ret = 0;
+	int i;
+
+	if (!page)
+		return replenish_pages_one();
+
+	for (i = 0; i < 512; i++)
+		convert_ret |= set_direct_map_invalid_noflush(&page[i]);
+
+	if (convert_ret)
+		goto convert_fail;
+
+	spin_lock(&pages_lock);
+	for (i = 0; i < 512; i++) {
+		list_add(&page[i].lru, &pages);
+		page[i].private = DIRECTMAP_PROTECTED;
+		grow_range_page(&range, page);
+	}
+	page_cnt += 512;
+	spin_unlock(&pages_lock);
+
+	flush_tlb_kernel_range(range.min, range.max);
+
+	vm_unmap_aliases();
+
+	return true;
+
+convert_fail:
+	for (i = 0; i < 512; i++) {
+		set_direct_map_default_noflush(&page[i]);
+		__free_pages(&page[i], 0);
+	}
+
+	return false;
+}
+
+static struct page *get_perm_page(void)
+{
+	struct page *page;
+
+	spin_lock(&pages_lock);
+	if (!page_cnt) {
+		spin_unlock(&pages_lock);
+		if (!replenish_pages())
+			return NULL;
+		spin_lock(&pages_lock);
+	}
+
+	page = list_first_entry(&pages, struct page, lru);
+	page_cnt--;
+	list_del(&page->lru);
+	spin_unlock(&pages_lock);
+
+	return page;
+}
+
+static void __perm_free_page(struct page *page)
+{
+	spin_lock(&pages_lock);
+	list_add(&page->lru, &pages);
+	page_cnt++;
+	spin_unlock(&pages_lock);
+}
+
+static void __perm_free_pages(struct page **page, int count)
+{
+	int i;
+
+	spin_lock(&pages_lock);
+	for (i = 0; i < count; i++)
+		list_add(&page[i]->lru, &pages);
+	page_cnt += count;
+	spin_unlock(&pages_lock);
+}
+
+static inline pgprot_t perms_to_prot(virtual_perm perms)
+{
+	switch (perms) {
+	case PERM_RX:
+		return PAGE_KERNEL_ROX;
+	case PERM_RWX:
+		return PAGE_KERNEL_EXEC;
+	case PERM_RW:
+		return PAGE_KERNEL;
+	case PERM_R:
+		return PAGE_KERNEL_RO;
+	default:
+		return __pgprot(0);
+	}
+}
+
+static bool map_alloc(struct perm_allocation *alloc)
+{
+	return !map_kernel_range(perm_alloc_address(alloc), get_vm_area_size(alloc->area),
+				 perms_to_prot(alloc->cur_perm), alloc->pages);
+}
+
+struct perm_allocation *perm_alloc(unsigned long vstart, unsigned long vend, unsigned long page_cnt,
+				   virtual_perm perms)
+{
+	struct perm_allocation *alloc;
+	DEFINE_RANGE_CALC(range);
+	int i, j;
+
+	if (!page_cnt)
+		return NULL;
+
+	alloc = kmalloc(sizeof(*alloc), GFP_KERNEL | __GFP_ZERO);
+
+	if (!alloc)
+		return NULL;
+
+	alloc->area = __get_vm_area_caller(page_cnt << PAGE_SHIFT, VM_MAP, vstart, vend,
+					   __builtin_return_address(0));
+
+	if (!alloc->area)
+		goto free_alloc;
+
+	alloc->pages = kvmalloc(page_cnt * sizeof(struct page *), GFP_KERNEL);
+	if (!alloc->pages)
+		goto free_area;
+
+	alloc->size = (unsigned long)get_vm_area_size(alloc->area);
+	alloc->offset = 0;
+	alloc->writable = NULL;
+	alloc->cur_perm = perms;
+
+	/* TODO if this will be RW, we don't need unmapped pages, better to conserve those */
+	for (i = 0; i < page_cnt; i++) {
+		alloc->pages[i] = get_perm_page();
+		if (alloc->pages[i]->private == DIRECTMAP_PROTECTED)
+			continue;
+
+		grow_range_page(&range, alloc->pages[i]);
+		if (set_direct_map_invalid_noflush(alloc->pages[i]))
+			goto convert_fail;
+		alloc->pages[i]->private = DIRECTMAP_PROTECTED;
+	}
+
+	/*
+	 * Flush any pages that were removed in the loop above. In the event of no pages in the
+	 * cache, these may be scattered about single pages, so flush here to only have a single
+	 * flush instead of one for each replenish_pages_one() call.
+	 */
+	if (has_range(&range)) {
+		flush_tlb_kernel_range(range.min, range.max);
+		vm_unmap_aliases();
+	}
+
+	if (i != page_cnt)
+		goto free_pages;
+
+	/* TODO: Need to zero these pages */
+	if (!map_alloc(alloc))
+		goto free_pages;
+
+	return alloc;
+
+free_pages:
+	__perm_free_pages(alloc->pages, i);
+	kvfree(alloc->pages);
+free_area:
+	remove_vm_area(alloc->area->addr);
+free_alloc:
+	kfree(alloc);
+
+	return NULL;
+
+convert_fail:
+	for (j = 0; j < i - 1; j++)
+		__perm_free_page(alloc->pages[j]);
+
+	return NULL;
+}
+
+unsigned long perm_writable_addr(struct perm_allocation *alloc, unsigned long addr)
+{
+	/* If this is already mapped and writable, just write to the actual kva */
+	if (alloc->cur_perm & PERM_W)
+		return addr;
+
+	/* TODO lock or callers need to synchronize? */
+	/* TODO could fail, set primary alias writable in this case or alloc up front */
+	if (!alloc->writable)
+		alloc->writable = vmalloc(alloc->size);
+
+	return (unsigned long)alloc->writable + (addr - perm_alloc_address(alloc));
+}
+
+bool perm_writable_finish(struct perm_allocation *alloc)
+{
+	unsigned long addr;
+	void *writable;
+	int i;
+
+	if (!alloc)
+		return false;
+	if (!alloc->writable)
+		return true;
+
+	addr = perm_alloc_address(alloc);
+
+	writable = (void *)perm_writable_base(alloc);
+
+	mutex_lock(&text_mutex);
+	for (i = 0; i < perm_alloc_size(alloc); i += PAGE_SIZE)
+		text_poke((void *)(addr + i), writable + i, PAGE_SIZE);
+	mutex_unlock(&text_mutex);
+
+	vfree(alloc->writable);
+
+	alloc->writable = 0;
+
+	return true;
+}
+
+static inline pgprot_t get_set(virtual_perm perms)
+{
+	pteval_t ret = 0;
+
+	if (perms)
+		ret = _PAGE_PRESENT;
+
+	if (perms & PERM_W)
+		ret |= _PAGE_RW;
+
+	if (~perms & PERM_X)
+		ret |= _PAGE_NX;
+
+	return __pgprot(ret);
+}
+
+static inline pgprot_t get_unset(virtual_perm perms)
+{
+	pteval_t ret = 0;
+
+	if (!perms)
+		ret = _PAGE_PRESENT;
+
+	if (~perms & PERM_W)
+		ret |= _PAGE_RW;
+
+	if (perms & PERM_X)
+		ret |= _PAGE_NX;
+
+	return __pgprot(ret);
+}
+
+bool perm_change(struct perm_allocation *alloc, virtual_perm perms)
+{
+	pgprot_t set = get_set(perms);
+	pgprot_t clr = get_unset(perms);
+	unsigned long start;
+
+	if (!alloc)
+		return false;
+
+	if (!(alloc->cur_perm ^ perms))
+		return true;
+
+	start = perm_alloc_address(alloc);
+
+	set_memory_noalias_noflush(start, perm_alloc_size(alloc) >> PAGE_SHIFT, set, clr);
+
+	flush_tlb_kernel_range(start, start + perm_alloc_size(alloc));
+
+	return true;
+}
+
+static inline bool perms_need_flush(struct perm_allocation *alloc)
+{
+	return alloc->cur_perm & PERM_X;
+}
+
+void perm_free(struct perm_allocation *alloc)
+{
+	unsigned long size, addr;
+	int page_cnt;
+
+	if (!alloc)
+		return;
+
+	if (alloc->writable)
+		vfree(alloc->writable);
+
+	size = get_vm_area_size(alloc->area);
+	addr = perm_alloc_address(alloc);
+	page_cnt = size >> PAGE_SHIFT;
+
+	vunmap((void *)addr);
+
+	if (perms_need_flush(alloc))
+		flush_tlb_kernel_range(addr, addr + size);
+
+	__perm_free_pages(alloc->pages, page_cnt);
+
+	kvfree(alloc->pages);
+	kfree(alloc);
+}
+
+void perm_memset(struct perm_allocation *alloc, char val)
+{
+	if (!alloc)
+		return;
+
+	memset((void *)perm_writable_base(alloc), val, perm_alloc_size(alloc));
+}
+
+static int __init perm_alloc_init(void)
+{
+	return register_shrinker(&perm_shrinker);
+}
+device_initcall(perm_alloc_init);
-- 
2.20.1


^ permalink raw reply	[flat|nested] 22+ messages in thread

* Re: [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation
  2020-11-20 20:24 ` [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation Rick Edgecombe
@ 2020-11-22  4:10   ` Andy Lutomirski
  2020-11-23  0:01     ` Edgecombe, Rick P
  2020-11-23  9:00   ` Christoph Hellwig
  2020-12-04 23:24   ` Sean Christopherson
  2 siblings, 1 reply; 22+ messages in thread
From: Andy Lutomirski @ 2020-11-22  4:10 UTC (permalink / raw)
  To: Rick Edgecombe
  Cc: Andrew Morton, Jessica Yu, bpf, Alexei Starovoitov,
	Daniel Borkmann, Andrew Lutomirski, Dave Hansen, Peter Zijlstra,
	X86 ML, Mike Rapoport, Linux-MM, LKML, Dan Williams,
	Elena Reshetova, Weiny Ira

On Fri, Nov 20, 2020 at 12:30 PM Rick Edgecombe
<rick.p.edgecombe@intel.com> wrote:
>
> In order to allow for future arch specific optimizations for vmalloc
> permissions, first add an implementation of a new interface that will
> work cross arch by using the existing set_memory_() functions.
>
> When allocating some memory that will be RO, for example it should be used
> like:
>
> /* Reserve va */
> struct perm_allocation *alloc = perm_alloc(vstart, vend, page_cnt, PERM_R);

I'm sure I could reverse-engineer this from the code, but:

Where do vstart and vend come from?  Does perm_alloc() allocate memory
or just virtual addresses?  Is the caller expected to call vmalloc()?
How does one free this thing?

> unsigned long ro = (unsigned long)perm_alloc_address(alloc);
>
> /* Write to writable address */
> strcpy((char *)perm_writable_addr(alloc, ro), "Some data to be RO");
> /* Signal that writing is done and mapping should be live */
> perm_writable_finish(alloc);
> /* Print from RO address */
> printk("Read only data is: %s\n", (char *)ro);
>

^ permalink raw reply	[flat|nested] 22+ messages in thread

* [vmalloc]  377647beed: WARNING:at_arch/x86/kernel/ftrace.c:#ftrace_verify_code
  2020-11-20 20:24 ` [PATCH RFC 10/10] vmalloc: Add perm_alloc x86 implementation Rick Edgecombe
@ 2020-11-22 15:29   ` kernel test robot
  0 siblings, 0 replies; 22+ messages in thread
From: kernel test robot @ 2020-11-22 15:29 UTC (permalink / raw)
  To: Rick Edgecombe
  Cc: akpm, jeyu, bpf, ast, daniel, luto, dave.hansen, peterz, x86,
	rppt, linux-mm, linux-kernel, dan.j.williams, elena.reshetova,
	ira.weiny, Rick Edgecombe, 0day robot, lkp

[-- Attachment #1: Type: text/plain, Size: 7344 bytes --]


Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: 377647beed53730bde5b15bcc49401f3c982bd45 ("[PATCH RFC 10/10] vmalloc: Add perm_alloc x86 implementation")
url: https://github.com/0day-ci/linux/commits/Rick-Edgecombe/New-permission-vmalloc-interface/20201121-043212
base: https://git.kernel.org/cgit/linux/kernel/git/bpf/bpf-next.git master

in testcase: boot

on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):


+---------------------------------------------------------+------------+------------+
|                                                         | bc80b28ef8 | 377647beed |
+---------------------------------------------------------+------------+------------+
| boot_successes                                          | 4          | 0          |
| boot_failures                                           | 0          | 4          |
| WARNING:at_arch/x86/kernel/ftrace.c:#ftrace_verify_code | 0          | 4          |
| RIP:ftrace_verify_code                                  | 0          | 4          |
| WARNING:at_kernel/trace/ftrace.c:#ftrace_bug            | 0          | 4          |
| RIP:ftrace_bug                                          | 0          | 4          |
| BUG:unable_to_handle_page_fault_for_address             | 0          | 3          |
| Oops:#[##]                                              | 0          | 3          |
| RIP:strcmp                                              | 0          | 3          |
| Kernel_panic-not_syncing:Fatal_exception                | 0          | 3          |
+---------------------------------------------------------+------------+------------+


If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@intel.com>


[    6.656527] WARNING: CPU: 0 PID: 2897 at arch/x86/kernel/ftrace.c:90 ftrace_verify_code+0x2f/0x70
[    6.658669] Modules linked in: sr_mod cdrom sg ata_generic
[    6.660055] CPU: 0 PID: 2897 Comm: modprobe Not tainted 5.10.0-rc3-00842-g377647beed53 #1
[    6.662003] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[    6.664112] RIP: 0010:ftrace_verify_code+0x2f/0x70
[    6.665391] Code: 00 48 89 f5 48 89 fe 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 31 c0 48 8d 7c 24 03 e8 b9 b9 13 00 48 85 c0 74 09 <0f> 0b b8 f2 ff ff ff eb 1d ba 05 00 00 00 48 89 ee 48 8d 7c 24 03
[    6.669614] RSP: 0018:ffffc900002ebcd8 EFLAGS: 00010286
[    6.669617] RAX: ffffffffffffffde RBX: 0000000000000000 RCX: ffffffef8103f45c
[    6.669618] RDX: 0000800000000000 RSI: 0000000000000005 RDI: 000000100000090f
[    6.669620] RBP: ffffffff82bf14a8 R08: 0000000000000000 R09: 0000000000000119
[    6.669621] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffa0030000
[    6.669623] R13: ffff88811ded8000 R14: 0000000002000000 R15: 0000000000000001
[    6.669625] FS:  00007fa2d3dea480(0000) GS:ffff88823fc00000(0000) knlGS:0000000000000000
[    6.669627] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.669628] CR2: 00007fa2d3f702b0 CR3: 000000011d576000 CR4: 00000000000406f0
[    6.669632] Call Trace:
[    6.669654]  ? trace_clock_local+0xc/0x14
[    6.669659]  ftrace_modify_code_direct+0x10/0x4a
[    6.669665]  ftrace_process_locs+0x336/0x3a1
[    6.669669]  load_module+0xd46/0x1149
[    6.669673]  ? __kernel_read+0xfb/0x15f
[    6.669677]  ? kernel_read_file+0x132/0x1db
[    6.669679]  ? __do_sys_finit_module+0x94/0xbb
[    6.669681]  __do_sys_finit_module+0x94/0xbb
[    6.669684]  do_syscall_64+0x33/0x40
[    6.669687]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[    6.669690] RIP: 0033:0x7fa2d3f04f59
[    6.669694] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 07 6f 0c 00 f7 d8 64 89 01 48
[    6.669696] RSP: 002b:00007ffd79a85538 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[    6.669698] RAX: ffffffffffffffda RBX: 000055b509cbfbc0 RCX: 00007fa2d3f04f59
[    6.669699] RDX: 0000000000000000 RSI: 000055b509cb43f0 RDI: 0000000000000003
[    6.669701] RBP: 000055b509cb43f0 R08: 0000000000000000 R09: 000055b509cc1190
[    6.669702] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
[    6.669703] R13: 000055b509cbfb60 R14: 0000000000040000 R15: 000055b509cbfbc0
[    6.669709] CPU: 0 PID: 2897 Comm: modprobe Not tainted 5.10.0-rc3-00842-g377647beed53 #1
[    6.669710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[    6.669711] Call Trace:
[    6.669716]  dump_stack+0x57/0x6a
[    6.669719]  __warn+0xbb/0xe7
[    6.669724]  ? ftrace_verify_code+0x2f/0x70
[    6.669727]  report_bug+0x96/0xd6
[    6.669731]  handle_bug+0x4f/0x6f
[    6.669733]  exc_invalid_op+0x14/0x61
[    6.669736]  asm_exc_invalid_op+0x12/0x20
[    6.669739] RIP: 0010:ftrace_verify_code+0x2f/0x70
[    6.669741] Code: 00 48 89 f5 48 89 fe 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 31 c0 48 8d 7c 24 03 e8 b9 b9 13 00 48 85 c0 74 09 <0f> 0b b8 f2 ff ff ff eb 1d ba 05 00 00 00 48 89 ee 48 8d 7c 24 03
[    6.669742] RSP: 0018:ffffc900002ebcd8 EFLAGS: 00010286
[    6.669744] RAX: ffffffffffffffde RBX: 0000000000000000 RCX: ffffffef8103f45c
[    6.669746] RDX: 0000800000000000 RSI: 0000000000000005 RDI: 000000100000090f
[    6.669747] RBP: ffffffff82bf14a8 R08: 0000000000000000 R09: 0000000000000119
[    6.669748] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffa0030000
[    6.669750] R13: ffff88811ded8000 R14: 0000000002000000 R15: 0000000000000001
[    6.669754]  ? ftrace_verify_code+0x2a/0x70
[    6.669756]  ? trace_clock_local+0xc/0x14
[    6.669758]  ftrace_modify_code_direct+0x10/0x4a
[    6.669761]  ftrace_process_locs+0x336/0x3a1
[    6.669764]  load_module+0xd46/0x1149
[    6.669766]  ? __kernel_read+0xfb/0x15f
[    6.669769]  ? kernel_read_file+0x132/0x1db
[    6.669772]  ? __do_sys_finit_module+0x94/0xbb
[    6.669773]  __do_sys_finit_module+0x94/0xbb
[    6.669776]  do_syscall_64+0x33/0x40
[    6.669778]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[    6.669780] RIP: 0033:0x7fa2d3f04f59
[    6.669782] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 07 6f 0c 00 f7 d8 64 89 01 48
[    6.669783] RSP: 002b:00007ffd79a85538 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[    6.669786] RAX: ffffffffffffffda RBX: 000055b509cbfbc0 RCX: 00007fa2d3f04f59
[    6.669787] RDX: 0000000000000000 RSI: 000055b509cb43f0 RDI: 0000000000000003
[    6.669788] RBP: 000055b509cb43f0 R08: 0000000000000000 R09: 000055b509cc1190
[    6.669789] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
[    6.669790] R13: 000055b509cbfb60 R14: 0000000000040000 R15: 000055b509cbfbc0
[    6.669793] ---[ end trace 8b6008b88a57006f ]---


To reproduce:

        # build kernel
	cd linux
	cp config-5.10.0-rc3-00842-g377647beed53 .config
	make HOSTCC=gcc-9 CC=gcc-9 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email



Thanks,
Oliver Sang


[-- Attachment #2: config-5.10.0-rc3-00842-g377647beed53 --]
[-- Type: text/plain, Size: 117452 bytes --]

#
# Automatically generated file; DO NOT EDIT.
# Linux/x86_64 5.10.0-rc3 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="gcc-9 (Debian 9.3.0-15) 9.3.0"
CONFIG_CC_IS_GCC=y
CONFIG_GCC_VERSION=90300
CONFIG_LD_VERSION=235000000
CONFIG_CLANG_VERSION=0
CONFIG_CC_CAN_LINK=y
CONFIG_CC_CAN_LINK_STATIC=y
CONFIG_CC_HAS_ASM_GOTO=y
CONFIG_CC_HAS_ASM_INLINE=y
CONFIG_IRQ_WORK=y
CONFIG_BUILDTIME_TABLE_SORT=y
CONFIG_THREAD_INFO_IN_TASK=y

#
# General setup
#
CONFIG_INIT_ENV_ARG_LIMIT=32
# CONFIG_COMPILE_TEST is not set
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_BUILD_SALT=""
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_HAVE_KERNEL_LZ4=y
CONFIG_HAVE_KERNEL_ZSTD=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_KERNEL_LZ4 is not set
# CONFIG_KERNEL_ZSTD is not set
CONFIG_DEFAULT_INIT=""
CONFIG_DEFAULT_HOSTNAME="(none)"
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
CONFIG_POSIX_MQUEUE=y
CONFIG_POSIX_MQUEUE_SYSCTL=y
# CONFIG_WATCH_QUEUE is not set
CONFIG_CROSS_MEMORY_ATTACH=y
CONFIG_USELIB=y
CONFIG_AUDIT=y
CONFIG_HAVE_ARCH_AUDITSYSCALL=y
CONFIG_AUDITSYSCALL=y

#
# IRQ subsystem
#
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK=y
CONFIG_GENERIC_PENDING_IRQ=y
CONFIG_GENERIC_IRQ_MIGRATION=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_DOMAIN_HIERARCHY=y
CONFIG_GENERIC_MSI_IRQ=y
CONFIG_GENERIC_MSI_IRQ_DOMAIN=y
CONFIG_GENERIC_IRQ_MATRIX_ALLOCATOR=y
CONFIG_GENERIC_IRQ_RESERVATION_MODE=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_SPARSE_IRQ=y
# CONFIG_GENERIC_IRQ_DEBUGFS is not set
# end of IRQ subsystem

CONFIG_CLOCKSOURCE_WATCHDOG=y
CONFIG_ARCH_CLOCKSOURCE_INIT=y
CONFIG_CLOCKSOURCE_VALIDATE_LAST_CYCLE=y
CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y
CONFIG_GENERIC_CMOS_UPDATE=y
CONFIG_HAVE_POSIX_CPU_TIMERS_TASK_WORK=y
CONFIG_POSIX_CPU_TIMERS_TASK_WORK=y

#
# Timers subsystem
#
CONFIG_TICK_ONESHOT=y
CONFIG_NO_HZ_COMMON=y
# CONFIG_HZ_PERIODIC is not set
CONFIG_NO_HZ_IDLE=y
# CONFIG_NO_HZ_FULL is not set
# CONFIG_NO_HZ is not set
CONFIG_HIGH_RES_TIMERS=y
# end of Timers subsystem

# CONFIG_PREEMPT_NONE is not set
CONFIG_PREEMPT_VOLUNTARY=y
# CONFIG_PREEMPT is not set
CONFIG_PREEMPT_COUNT=y

#
# CPU/Task time and stats accounting
#
CONFIG_TICK_CPU_ACCOUNTING=y
# CONFIG_VIRT_CPU_ACCOUNTING_GEN is not set
# CONFIG_IRQ_TIME_ACCOUNTING is not set
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
# CONFIG_PSI is not set
# end of CPU/Task time and stats accounting

CONFIG_CPU_ISOLATION=y

#
# RCU Subsystem
#
CONFIG_TREE_RCU=y
# CONFIG_RCU_EXPERT is not set
CONFIG_SRCU=y
CONFIG_TREE_SRCU=y
CONFIG_TASKS_RCU_GENERIC=y
CONFIG_TASKS_RUDE_RCU=y
CONFIG_TASKS_TRACE_RCU=y
CONFIG_RCU_STALL_COMMON=y
CONFIG_RCU_NEED_SEGCBLIST=y
# end of RCU Subsystem

CONFIG_BUILD_BIN2C=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=20
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y

#
# Scheduler features
#
# CONFIG_UCLAMP_TASK is not set
# end of Scheduler features

CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y
CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH=y
CONFIG_CC_HAS_INT128=y
CONFIG_ARCH_SUPPORTS_INT128=y
# CONFIG_NUMA_BALANCING is not set
CONFIG_CGROUPS=y
CONFIG_PAGE_COUNTER=y
CONFIG_MEMCG=y
CONFIG_MEMCG_SWAP=y
CONFIG_MEMCG_KMEM=y
CONFIG_BLK_CGROUP=y
CONFIG_CGROUP_WRITEBACK=y
CONFIG_CGROUP_SCHED=y
CONFIG_FAIR_GROUP_SCHED=y
# CONFIG_CFS_BANDWIDTH is not set
CONFIG_RT_GROUP_SCHED=y
CONFIG_CGROUP_PIDS=y
CONFIG_CGROUP_RDMA=y
CONFIG_CGROUP_FREEZER=y
CONFIG_CPUSETS=y
CONFIG_PROC_PID_CPUSET=y
CONFIG_CGROUP_DEVICE=y
# CONFIG_CGROUP_CPUACCT is not set
# CONFIG_CGROUP_PERF is not set
CONFIG_CGROUP_BPF=y
CONFIG_CGROUP_DEBUG=y
CONFIG_SOCK_CGROUP_DATA=y
# CONFIG_NAMESPACES is not set
CONFIG_CHECKPOINT_RESTORE=y
# CONFIG_SCHED_AUTOGROUP is not set
# CONFIG_SYSFS_DEPRECATED is not set
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_RD_GZIP=y
# CONFIG_RD_BZIP2 is not set
# CONFIG_RD_LZMA is not set
# CONFIG_RD_XZ is not set
# CONFIG_RD_LZO is not set
# CONFIG_RD_LZ4 is not set
CONFIG_RD_ZSTD=y
# CONFIG_BOOT_CONFIG is not set
# CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE is not set
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SYSCTL=y
CONFIG_HAVE_UID16=y
CONFIG_SYSCTL_EXCEPTION_TRACE=y
CONFIG_HAVE_PCSPKR_PLATFORM=y
CONFIG_BPF=y
CONFIG_EXPERT=y
CONFIG_UID16=y
CONFIG_MULTIUSER=y
CONFIG_SGETMASK_SYSCALL=y
CONFIG_SYSFS_SYSCALL=y
CONFIG_FHANDLE=y
CONFIG_POSIX_TIMERS=y
CONFIG_PRINTK=y
CONFIG_PRINTK_NMI=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_PCSPKR_PLATFORM=y
CONFIG_BASE_FULL=y
CONFIG_FUTEX=y
CONFIG_FUTEX_PI=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
CONFIG_IO_URING=y
CONFIG_ADVISE_SYSCALLS=y
CONFIG_HAVE_ARCH_USERFAULTFD_WP=y
CONFIG_MEMBARRIER=y
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
CONFIG_KALLSYMS_ABSOLUTE_PERCPU=y
CONFIG_KALLSYMS_BASE_RELATIVE=y
CONFIG_BPF_SYSCALL=y
CONFIG_ARCH_WANT_DEFAULT_BPF_JIT=y
# CONFIG_BPF_PRELOAD is not set
CONFIG_USERFAULTFD=y
CONFIG_ARCH_HAS_MEMBARRIER_SYNC_CORE=y
CONFIG_RSEQ=y
# CONFIG_DEBUG_RSEQ is not set
CONFIG_EMBEDDED=y
CONFIG_HAVE_PERF_EVENTS=y
# CONFIG_PC104 is not set

#
# Kernel Performance Events And Counters
#
CONFIG_PERF_EVENTS=y
# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
# end of Kernel Performance Events And Counters

CONFIG_VM_EVENT_COUNTERS=y
CONFIG_SLUB_DEBUG=y
# CONFIG_SLUB_MEMCG_SYSFS_ON is not set
CONFIG_COMPAT_BRK=y
# CONFIG_SLAB is not set
CONFIG_SLUB=y
# CONFIG_SLOB is not set
CONFIG_SLAB_MERGE_DEFAULT=y
# CONFIG_SLAB_FREELIST_RANDOM is not set
# CONFIG_SLAB_FREELIST_HARDENED is not set
# CONFIG_SHUFFLE_PAGE_ALLOCATOR is not set
CONFIG_SLUB_CPU_PARTIAL=y
CONFIG_SYSTEM_DATA_VERIFICATION=y
# CONFIG_PROFILING is not set
CONFIG_TRACEPOINTS=y
# end of General setup

CONFIG_64BIT=y
CONFIG_X86_64=y
CONFIG_X86=y
CONFIG_INSTRUCTION_DECODER=y
CONFIG_OUTPUT_FORMAT="elf64-x86-64"
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_MMU=y
CONFIG_ARCH_MMAP_RND_BITS_MIN=28
CONFIG_ARCH_MMAP_RND_BITS_MAX=32
CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MIN=8
CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=16
CONFIG_GENERIC_ISA_DMA=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_ARCH_HAS_CPU_RELAX=y
CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
CONFIG_ARCH_HAS_FILTER_PGPROT=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_ARCH_WANT_GENERAL_HUGETLB=y
CONFIG_ZONE_DMA32=y
CONFIG_AUDIT_ARCH=y
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_HAVE_INTEL_TXT=y
CONFIG_X86_64_SMP=y
CONFIG_ARCH_SUPPORTS_UPROBES=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_PGTABLE_LEVELS=5
CONFIG_CC_HAS_SANE_STACKPROTECTOR=y

#
# Processor type and features
#
CONFIG_ZONE_DMA=y
CONFIG_SMP=y
CONFIG_X86_FEATURE_NAMES=y
CONFIG_X86_X2APIC=y
CONFIG_X86_MPPARSE=y
# CONFIG_GOLDFISH is not set
CONFIG_RETPOLINE=y
# CONFIG_X86_CPU_RESCTRL is not set
CONFIG_X86_EXTENDED_PLATFORM=y
# CONFIG_X86_NUMACHIP is not set
# CONFIG_X86_VSMP is not set
# CONFIG_X86_UV is not set
# CONFIG_X86_GOLDFISH is not set
# CONFIG_X86_INTEL_LPSS is not set
# CONFIG_X86_AMD_PLATFORM_DEVICE is not set
CONFIG_IOSF_MBI=y
# CONFIG_IOSF_MBI_DEBUG is not set
CONFIG_X86_SUPPORTS_MEMORY_FAILURE=y
# CONFIG_SCHED_OMIT_FRAME_POINTER is not set
CONFIG_HYPERVISOR_GUEST=y
CONFIG_PARAVIRT=y
# CONFIG_PARAVIRT_DEBUG is not set
# CONFIG_PARAVIRT_SPINLOCKS is not set
CONFIG_X86_HV_CALLBACK_VECTOR=y
# CONFIG_XEN is not set
CONFIG_KVM_GUEST=y
CONFIG_ARCH_CPUIDLE_HALTPOLL=y
# CONFIG_PVH is not set
# CONFIG_PARAVIRT_TIME_ACCOUNTING is not set
CONFIG_PARAVIRT_CLOCK=y
# CONFIG_JAILHOUSE_GUEST is not set
# CONFIG_ACRN_GUEST 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_IA32_FEAT_CTL=y
CONFIG_X86_VMX_FEATURE_NAMES=y
CONFIG_PROCESSOR_SELECT=y
CONFIG_CPU_SUP_INTEL=y
CONFIG_CPU_SUP_AMD=y
CONFIG_CPU_SUP_HYGON=y
CONFIG_CPU_SUP_CENTAUR=y
CONFIG_CPU_SUP_ZHAOXIN=y
CONFIG_HPET_TIMER=y
CONFIG_HPET_EMULATE_RTC=y
CONFIG_DMI=y
CONFIG_GART_IOMMU=y
# CONFIG_MAXSMP is not set
CONFIG_NR_CPUS_RANGE_BEGIN=2
CONFIG_NR_CPUS_RANGE_END=512
CONFIG_NR_CPUS_DEFAULT=64
CONFIG_NR_CPUS=512
CONFIG_SCHED_SMT=y
CONFIG_SCHED_MC=y
CONFIG_SCHED_MC_PRIO=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_X86_IO_APIC=y
# CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS is not set
CONFIG_X86_MCE=y
CONFIG_X86_MCELOG_LEGACY=y
CONFIG_X86_MCE_INTEL=y
CONFIG_X86_MCE_AMD=y
CONFIG_X86_MCE_THRESHOLD=y
CONFIG_X86_MCE_INJECT=m
CONFIG_X86_THERMAL_VECTOR=y

#
# Performance monitoring
#
CONFIG_PERF_EVENTS_INTEL_UNCORE=y
# CONFIG_PERF_EVENTS_INTEL_RAPL is not set
# CONFIG_PERF_EVENTS_INTEL_CSTATE is not set
# CONFIG_PERF_EVENTS_AMD_POWER is not set
# end of Performance monitoring

CONFIG_X86_VSYSCALL_EMULATION=y
CONFIG_X86_IOPL_IOPERM=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_X86_5LEVEL=y
CONFIG_X86_DIRECT_GBPAGES=y
# CONFIG_X86_CPA_STATISTICS is not set
# CONFIG_AMD_MEM_ENCRYPT is not set
CONFIG_NUMA=y
CONFIG_AMD_NUMA=y
CONFIG_X86_64_ACPI_NUMA=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 is not set
CONFIG_ARCH_PROC_KCORE_TEXT=y
CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
CONFIG_X86_PMEM_LEGACY_DEVICE=y
CONFIG_X86_PMEM_LEGACY=m
CONFIG_X86_CHECK_BIOS_CORRUPTION=y
CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y
CONFIG_X86_RESERVE_LOW=64
CONFIG_MTRR=y
CONFIG_MTRR_SANITIZER=y
CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=0
CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1
CONFIG_X86_PAT=y
CONFIG_ARCH_USES_PG_UNCACHED=y
CONFIG_ARCH_RANDOM=y
CONFIG_X86_SMAP=y
CONFIG_X86_UMIP=y
# CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS is not set
CONFIG_X86_INTEL_TSX_MODE_OFF=y
# CONFIG_X86_INTEL_TSX_MODE_ON is not set
# CONFIG_X86_INTEL_TSX_MODE_AUTO is not set
CONFIG_EFI=y
CONFIG_EFI_STUB=y
CONFIG_EFI_MIXED=y
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=250
CONFIG_SCHED_HRTICK=y
CONFIG_KEXEC=y
CONFIG_KEXEC_FILE=y
CONFIG_ARCH_HAS_KEXEC_PURGATORY=y
# CONFIG_KEXEC_SIG is not set
# CONFIG_CRASH_DUMP is not set
CONFIG_KEXEC_JUMP=y
CONFIG_PHYSICAL_START=0x1000000
CONFIG_RELOCATABLE=y
# CONFIG_RANDOMIZE_BASE is not set
CONFIG_PHYSICAL_ALIGN=0x1000000
CONFIG_DYNAMIC_MEMORY_LAYOUT=y
CONFIG_HOTPLUG_CPU=y
CONFIG_BOOTPARAM_HOTPLUG_CPU0=y
# CONFIG_DEBUG_HOTPLUG_CPU0 is not set
CONFIG_COMPAT_VDSO=y
CONFIG_LEGACY_VSYSCALL_EMULATE=y
# CONFIG_LEGACY_VSYSCALL_XONLY is not set
# CONFIG_LEGACY_VSYSCALL_NONE is not set
# CONFIG_CMDLINE_BOOL is not set
# CONFIG_MODIFY_LDT_SYSCALL is not set
CONFIG_HAVE_LIVEPATCH=y
# end of Processor type and features

CONFIG_ARCH_HAS_ADD_PAGES=y
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
CONFIG_USE_PERCPU_NUMA_NODE_ID=y
CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK=y
CONFIG_ARCH_ENABLE_THP_MIGRATION=y

#
# Power management and ACPI options
#
CONFIG_ARCH_HIBERNATION_HEADER=y
CONFIG_SUSPEND=y
CONFIG_SUSPEND_FREEZER=y
CONFIG_SUSPEND_SKIP_SYNC=y
CONFIG_HIBERNATE_CALLBACKS=y
CONFIG_HIBERNATION=y
CONFIG_HIBERNATION_SNAPSHOT_DEV=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=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_DPM_WATCHDOG is not set
# CONFIG_PM_TRACE_RTC is not set
CONFIG_PM_CLK=y
# CONFIG_WQ_POWER_EFFICIENT_DEFAULT is not set
# CONFIG_ENERGY_MODEL is not set
CONFIG_ARCH_SUPPORTS_ACPI=y
CONFIG_ACPI=y
CONFIG_ACPI_LEGACY_TABLES_LOOKUP=y
CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC=y
CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT=y
# CONFIG_ACPI_DEBUGGER is not set
CONFIG_ACPI_SPCR_TABLE=y
CONFIG_ACPI_LPIT=y
CONFIG_ACPI_SLEEP=y
# CONFIG_ACPI_REV_OVERRIDE_POSSIBLE is not set
# CONFIG_ACPI_EC_DEBUGFS is not set
CONFIG_ACPI_AC=y
CONFIG_ACPI_BATTERY=y
CONFIG_ACPI_BUTTON=y
# CONFIG_ACPI_VIDEO is not set
CONFIG_ACPI_FAN=y
# CONFIG_ACPI_TAD is not set
# CONFIG_ACPI_DOCK is not set
CONFIG_ACPI_CPU_FREQ_PSS=y
CONFIG_ACPI_PROCESSOR_CSTATE=y
CONFIG_ACPI_PROCESSOR_IDLE=y
CONFIG_ACPI_CPPC_LIB=y
CONFIG_ACPI_PROCESSOR=y
# CONFIG_ACPI_IPMI is not set
CONFIG_ACPI_HOTPLUG_CPU=y
# CONFIG_ACPI_PROCESSOR_AGGREGATOR is not set
CONFIG_ACPI_THERMAL=y
CONFIG_ACPI_CUSTOM_DSDT_FILE=""
CONFIG_ARCH_HAS_ACPI_TABLE_UPGRADE=y
# CONFIG_ACPI_TABLE_UPGRADE is not set
# CONFIG_ACPI_DEBUG is not set
# CONFIG_ACPI_PCI_SLOT is not set
CONFIG_ACPI_CONTAINER=y
# CONFIG_ACPI_HOTPLUG_MEMORY is not set
CONFIG_ACPI_HOTPLUG_IOAPIC=y
# 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_REDUCED_HARDWARE_ONLY is not set
CONFIG_ACPI_NFIT=m
# CONFIG_NFIT_SECURITY_DEBUG is not set
CONFIG_ACPI_NUMA=y
# CONFIG_ACPI_HMAT is not set
CONFIG_HAVE_ACPI_APEI=y
CONFIG_HAVE_ACPI_APEI_NMI=y
CONFIG_ACPI_APEI=y
CONFIG_ACPI_APEI_GHES=y
CONFIG_ACPI_APEI_PCIEAER=y
CONFIG_ACPI_APEI_MEMORY_FAILURE=y
CONFIG_ACPI_APEI_EINJ=m
CONFIG_ACPI_APEI_ERST_DEBUG=y
# CONFIG_ACPI_DPTF is not set
# CONFIG_ACPI_CONFIGFS is not set
# CONFIG_PMIC_OPREGION is not set
CONFIG_X86_PM_TIMER=y
# CONFIG_SFI is not set

#
# CPU Frequency scaling
#
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_GOV_ATTR_SET=y
CONFIG_CPU_FREQ_GOV_COMMON=y
CONFIG_CPU_FREQ_STAT=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL=y
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_POWERSAVE=y
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y

#
# CPU frequency scaling drivers
#
CONFIG_X86_INTEL_PSTATE=y
# CONFIG_X86_PCC_CPUFREQ is not set
# CONFIG_X86_ACPI_CPUFREQ is not set
CONFIG_X86_SPEEDSTEP_CENTRINO=y
# CONFIG_X86_P4_CLOCKMOD is not set

#
# shared options
#
# end of CPU Frequency scaling

#
# CPU Idle
#
CONFIG_CPU_IDLE=y
CONFIG_CPU_IDLE_GOV_LADDER=y
CONFIG_CPU_IDLE_GOV_MENU=y
# CONFIG_CPU_IDLE_GOV_TEO is not set
# CONFIG_CPU_IDLE_GOV_HALTPOLL is not set
CONFIG_HALTPOLL_CPUIDLE=y
# end of CPU Idle

# CONFIG_INTEL_IDLE is not set
# end of Power management and ACPI options

#
# Bus options (PCI etc.)
#
CONFIG_PCI_DIRECT=y
CONFIG_PCI_MMCONFIG=y
CONFIG_MMCONF_FAM10H=y
# CONFIG_PCI_CNB20LE_QUIRK is not set
# CONFIG_ISA_BUS is not set
CONFIG_ISA_DMA_API=y
CONFIG_AMD_NB=y
# CONFIG_X86_SYSFB is not set
# end of Bus options (PCI etc.)

#
# Binary Emulations
#
CONFIG_IA32_EMULATION=y
# CONFIG_X86_X32 is not set
CONFIG_COMPAT_32=y
CONFIG_COMPAT=y
CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
CONFIG_SYSVIPC_COMPAT=y
# end of Binary Emulations

#
# Firmware Drivers
#
# CONFIG_EDD is not set
CONFIG_FIRMWARE_MEMMAP=y
CONFIG_DMIID=y
# CONFIG_DMI_SYSFS is not set
CONFIG_DMI_SCAN_MACHINE_NON_EFI_FALLBACK=y
# CONFIG_ISCSI_IBFT is not set
# CONFIG_FW_CFG_SYSFS is not set
# CONFIG_GOOGLE_FIRMWARE is not set

#
# EFI (Extensible Firmware Interface) Support
#
# CONFIG_EFI_VARS is not set
CONFIG_EFI_ESRT=y
CONFIG_EFI_VARS_PSTORE=y
# CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE is not set
CONFIG_EFI_RUNTIME_MAP=y
# CONFIG_EFI_FAKE_MEMMAP is not set
CONFIG_EFI_RUNTIME_WRAPPERS=y
CONFIG_EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER=y
# CONFIG_EFI_BOOTLOADER_CONTROL is not set
# CONFIG_EFI_CAPSULE_LOADER is not set
# CONFIG_EFI_TEST is not set
# CONFIG_APPLE_PROPERTIES is not set
# CONFIG_RESET_ATTACK_MITIGATION is not set
# CONFIG_EFI_RCI2_TABLE is not set
# CONFIG_EFI_DISABLE_PCI_DMA is not set
# end of EFI (Extensible Firmware Interface) Support

CONFIG_UEFI_CPER=y
CONFIG_UEFI_CPER_X86=y
CONFIG_EFI_EARLYCON=y
# CONFIG_EFI_CUSTOM_SSDT_OVERLAYS is not set

#
# Tegra firmware driver
#
# end of Tegra firmware driver
# end of Firmware Drivers

CONFIG_HAVE_KVM=y
CONFIG_HAVE_KVM_IRQCHIP=y
CONFIG_HAVE_KVM_IRQFD=y
CONFIG_HAVE_KVM_IRQ_ROUTING=y
CONFIG_HAVE_KVM_EVENTFD=y
CONFIG_KVM_MMIO=y
CONFIG_KVM_ASYNC_PF=y
CONFIG_HAVE_KVM_MSI=y
CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT=y
CONFIG_KVM_VFIO=y
CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT=y
CONFIG_KVM_COMPAT=y
CONFIG_HAVE_KVM_IRQ_BYPASS=y
CONFIG_HAVE_KVM_NO_POLL=y
CONFIG_KVM_XFER_TO_GUEST_WORK=y
CONFIG_VIRTUALIZATION=y
CONFIG_KVM=m
# CONFIG_KVM_WERROR is not set
CONFIG_KVM_INTEL=m
# CONFIG_KVM_AMD is not set
# CONFIG_KVM_MMU_AUDIT is not set
CONFIG_AS_AVX512=y
CONFIG_AS_SHA1_NI=y
CONFIG_AS_SHA256_NI=y
CONFIG_AS_TPAUSE=y

#
# General architecture-dependent options
#
CONFIG_CRASH_CORE=y
CONFIG_KEXEC_CORE=y
CONFIG_HOTPLUG_SMT=y
CONFIG_GENERIC_ENTRY=y
CONFIG_HAVE_OPROFILE=y
CONFIG_OPROFILE_NMI_TIMER=y
CONFIG_KPROBES=y
# CONFIG_JUMP_LABEL is not set
# CONFIG_STATIC_CALL_SELFTEST is not set
CONFIG_OPTPROBES=y
CONFIG_KPROBES_ON_FTRACE=y
CONFIG_UPROBES=y
CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
CONFIG_ARCH_USE_BUILTIN_BSWAP=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_KPROBES_ON_FTRACE=y
CONFIG_HAVE_FUNCTION_ERROR_INJECTION=y
CONFIG_HAVE_NMI=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DMA_CONTIGUOUS=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_ARCH_HAS_FORTIFY_SOURCE=y
CONFIG_ARCH_HAS_SET_MEMORY=y
CONFIG_ARCH_HAS_SET_DIRECT_MAP=y
CONFIG_ARCH_HAS_PERM_ALLOC_IMPLEMENTATION=y
CONFIG_HAVE_ARCH_THREAD_STRUCT_WHITELIST=y
CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT=y
CONFIG_HAVE_ASM_MODVERSIONS=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_RSEQ=y
CONFIG_HAVE_FUNCTION_ARG_ACCESS_API=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_HARDLOCKUP_DETECTOR_PERF=y
CONFIG_HAVE_PERF_REGS=y
CONFIG_HAVE_PERF_USER_STACK_DUMP=y
CONFIG_HAVE_ARCH_JUMP_LABEL=y
CONFIG_HAVE_ARCH_JUMP_LABEL_RELATIVE=y
CONFIG_MMU_GATHER_TABLE_FREE=y
CONFIG_MMU_GATHER_RCU_TABLE_FREE=y
CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y
CONFIG_HAVE_ALIGNED_STRUCT_PAGE=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=y
CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
CONFIG_SECCOMP=y
CONFIG_SECCOMP_FILTER=y
CONFIG_HAVE_ARCH_STACKLEAK=y
CONFIG_HAVE_STACKPROTECTOR=y
CONFIG_STACKPROTECTOR=y
CONFIG_STACKPROTECTOR_STRONG=y
CONFIG_HAVE_ARCH_WITHIN_STACK_FRAMES=y
CONFIG_HAVE_CONTEXT_TRACKING=y
CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
CONFIG_HAVE_MOVE_PMD=y
CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y
CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD=y
CONFIG_HAVE_ARCH_HUGE_VMAP=y
CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y
CONFIG_HAVE_ARCH_SOFT_DIRTY=y
CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
CONFIG_MODULES_USE_ELF_RELA=y
CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
CONFIG_HAVE_ARCH_MMAP_RND_BITS=y
CONFIG_HAVE_EXIT_THREAD=y
CONFIG_ARCH_MMAP_RND_BITS=28
CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS=y
CONFIG_ARCH_MMAP_RND_COMPAT_BITS=8
CONFIG_HAVE_ARCH_COMPAT_MMAP_BASES=y
CONFIG_HAVE_STACK_VALIDATION=y
CONFIG_HAVE_RELIABLE_STACKTRACE=y
CONFIG_OLD_SIGSUSPEND3=y
CONFIG_COMPAT_OLD_SIGACTION=y
CONFIG_COMPAT_32BIT_TIME=y
CONFIG_HAVE_ARCH_VMAP_STACK=y
CONFIG_VMAP_STACK=y
CONFIG_ARCH_HAS_STRICT_KERNEL_RWX=y
CONFIG_STRICT_KERNEL_RWX=y
CONFIG_ARCH_HAS_STRICT_MODULE_RWX=y
CONFIG_STRICT_MODULE_RWX=y
CONFIG_HAVE_ARCH_PREL32_RELOCATIONS=y
CONFIG_ARCH_USE_MEMREMAP_PROT=y
# CONFIG_LOCK_EVENT_COUNTS is not set
CONFIG_ARCH_HAS_MEM_ENCRYPT=y
CONFIG_HAVE_STATIC_CALL=y
CONFIG_HAVE_STATIC_CALL_INLINE=y

#
# GCOV-based kernel profiling
#
# CONFIG_GCOV_KERNEL is not set
CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y
# end of GCOV-based kernel profiling

CONFIG_HAVE_GCC_PLUGINS=y
# end of General architecture-dependent options

CONFIG_RT_MUTEXES=y
CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
CONFIG_MODULE_FORCE_LOAD=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
# CONFIG_MODVERSIONS is not set
# CONFIG_MODULE_SRCVERSION_ALL is not set
# CONFIG_MODULE_SIG is not set
# CONFIG_MODULE_COMPRESS is not set
# CONFIG_MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS is not set
# CONFIG_UNUSED_SYMBOLS is not set
# CONFIG_TRIM_UNUSED_KSYMS is not set
CONFIG_MODULES_TREE_LOOKUP=y
CONFIG_BLOCK=y
CONFIG_BLK_SCSI_REQUEST=y
CONFIG_BLK_DEV_BSG=y
CONFIG_BLK_DEV_BSGLIB=y
# CONFIG_BLK_DEV_INTEGRITY is not set
# CONFIG_BLK_DEV_ZONED is not set
# CONFIG_BLK_DEV_THROTTLING is not set
# CONFIG_BLK_CMDLINE_PARSER is not set
# CONFIG_BLK_WBT is not set
# CONFIG_BLK_CGROUP_IOLATENCY is not set
# CONFIG_BLK_CGROUP_IOCOST is not set
CONFIG_BLK_DEBUG_FS=y
# CONFIG_BLK_SED_OPAL is not set
# CONFIG_BLK_INLINE_ENCRYPTION is not set

#
# Partition Types
#
CONFIG_PARTITION_ADVANCED=y
# CONFIG_ACORN_PARTITION is not set
# CONFIG_AIX_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 is not set
# CONFIG_MINIX_SUBPARTITION is not set
# CONFIG_SOLARIS_X86_PARTITION is not set
# CONFIG_UNIXWARE_DISKLABEL is not set
# CONFIG_LDM_PARTITION is not set
# CONFIG_SGI_PARTITION is not set
# CONFIG_ULTRIX_PARTITION is not set
# CONFIG_SUN_PARTITION is not set
# CONFIG_KARMA_PARTITION is not set
CONFIG_EFI_PARTITION=y
# CONFIG_SYSV68_PARTITION is not set
# CONFIG_CMDLINE_PARTITION is not set
# end of Partition Types

CONFIG_BLOCK_COMPAT=y
CONFIG_BLK_MQ_PCI=y
CONFIG_BLK_PM=y

#
# IO Schedulers
#
CONFIG_MQ_IOSCHED_DEADLINE=y
CONFIG_MQ_IOSCHED_KYBER=y
# CONFIG_IOSCHED_BFQ is not set
# end of IO Schedulers

CONFIG_PREEMPT_NOTIFIERS=y
CONFIG_ASN1=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_ARCH_SUPPORTS_ATOMIC_RMW=y
CONFIG_MUTEX_SPIN_ON_OWNER=y
CONFIG_RWSEM_SPIN_ON_OWNER=y
CONFIG_LOCK_SPIN_ON_OWNER=y
CONFIG_ARCH_USE_QUEUED_SPINLOCKS=y
CONFIG_QUEUED_SPINLOCKS=y
CONFIG_ARCH_USE_QUEUED_RWLOCKS=y
CONFIG_QUEUED_RWLOCKS=y
CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE=y
CONFIG_ARCH_HAS_SYNC_CORE_BEFORE_USERMODE=y
CONFIG_ARCH_HAS_SYSCALL_WRAPPER=y
CONFIG_FREEZER=y

#
# Executable file formats
#
CONFIG_BINFMT_ELF=y
CONFIG_COMPAT_BINFMT_ELF=y
CONFIG_ELFCORE=y
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
CONFIG_BINFMT_SCRIPT=y
# CONFIG_BINFMT_MISC is not set
CONFIG_COREDUMP=y
# end of Executable file formats

#
# Memory Management options
#
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_SPARSEMEM_MANUAL=y
CONFIG_SPARSEMEM=y
CONFIG_NEED_MULTIPLE_NODES=y
CONFIG_SPARSEMEM_EXTREME=y
CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
CONFIG_SPARSEMEM_VMEMMAP=y
CONFIG_HAVE_FAST_GUP=y
CONFIG_NUMA_KEEP_MEMINFO=y
CONFIG_MEMORY_ISOLATION=y
CONFIG_HAVE_BOOTMEM_INFO_NODE=y
CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_HOTPLUG_SPARSE=y
# CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE is not set
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_COMPACTION=y
# CONFIG_PAGE_REPORTING is not set
CONFIG_MIGRATION=y
CONFIG_CONTIG_ALLOC=y
CONFIG_PHYS_ADDR_T_64BIT=y
CONFIG_BOUNCE=y
CONFIG_VIRT_TO_BUS=y
CONFIG_MMU_NOTIFIER=y
# CONFIG_KSM is not set
CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
CONFIG_ARCH_SUPPORTS_MEMORY_FAILURE=y
CONFIG_MEMORY_FAILURE=y
CONFIG_HWPOISON_INJECT=m
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y
# CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set
CONFIG_ARCH_WANTS_THP_SWAP=y
CONFIG_THP_SWAP=y
# CONFIG_CLEANCACHE is not set
# CONFIG_FRONTSWAP is not set
CONFIG_CMA=y
# CONFIG_CMA_DEBUG is not set
# CONFIG_CMA_DEBUGFS is not set
CONFIG_CMA_AREAS=7
# CONFIG_MEM_SOFT_DIRTY is not set
# CONFIG_ZPOOL is not set
# CONFIG_ZBUD is not set
# CONFIG_ZSMALLOC is not set
CONFIG_GENERIC_EARLY_IOREMAP=y
# CONFIG_DEFERRED_STRUCT_PAGE_INIT is not set
# CONFIG_IDLE_PAGE_TRACKING is not set
CONFIG_ARCH_HAS_PTE_DEVMAP=y
CONFIG_ZONE_DEVICE=y
CONFIG_DEV_PAGEMAP_OPS=y
# CONFIG_DEVICE_PRIVATE is not set
# CONFIG_PERCPU_STATS is not set
# CONFIG_GUP_BENCHMARK is not set
# CONFIG_READ_ONLY_THP_FOR_FS is not set
CONFIG_ARCH_HAS_PTE_SPECIAL=y
# end of Memory Management options

CONFIG_NET=y
CONFIG_COMPAT_NETLINK_MESSAGES=y
CONFIG_SKB_EXTENSIONS=y

#
# Networking options
#
CONFIG_PACKET=y
# CONFIG_PACKET_DIAG is not set
CONFIG_UNIX=y
CONFIG_UNIX_SCM=y
# CONFIG_UNIX_DIAG is not set
# CONFIG_TLS is not set
CONFIG_XFRM=y
# CONFIG_XFRM_USER is not set
# 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_XDP_SOCKETS is not set
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
# CONFIG_IP_ADVANCED_ROUTER is not set
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
# CONFIG_IP_PNP_BOOTP is not set
# CONFIG_IP_PNP_RARP is not set
# CONFIG_NET_IPIP is not set
# CONFIG_NET_IPGRE_DEMUX is not set
CONFIG_NET_IP_TUNNEL=m
# CONFIG_IP_MROUTE is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_NET_IPVTI is not set
CONFIG_NET_UDP_TUNNEL=m
CONFIG_NET_FOU=m
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_INET_IPCOMP is not set
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_INET_UDP_DIAG is not set
# CONFIG_INET_RAW_DIAG is not set
# CONFIG_INET_DIAG_DESTROY is not set
# CONFIG_TCP_CONG_ADVANCED is not set
CONFIG_TCP_CONG_CUBIC=y
CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_TCP_MD5SIG is not set
# CONFIG_IPV6 is not set
# CONFIG_MPTCP is not set
# CONFIG_NETWORK_SECMARK is not set
CONFIG_NET_PTP_CLASSIFY=y
# CONFIG_NETWORK_PHY_TIMESTAMPING is not set
# CONFIG_NETFILTER is not set
# CONFIG_BPFILTER 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_BRIDGE is not set
CONFIG_HAVE_NET_DSA=y
# CONFIG_NET_DSA is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_DECNET is not set
# CONFIG_LLC2 is not set
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
# CONFIG_PHONET is not set
# CONFIG_IEEE802154 is not set
# CONFIG_NET_SCHED is not set
# CONFIG_DCB is not set
CONFIG_DNS_RESOLVER=y
# CONFIG_BATMAN_ADV is not set
# CONFIG_OPENVSWITCH is not set
# CONFIG_VSOCKETS is not set
# CONFIG_NETLINK_DIAG is not set
# CONFIG_MPLS is not set
# CONFIG_NET_NSH is not set
# CONFIG_HSR is not set
# CONFIG_NET_SWITCHDEV is not set
CONFIG_NET_L3_MASTER_DEV=y
# CONFIG_QRTR is not set
# CONFIG_NET_NCSI is not set
CONFIG_RPS=y
CONFIG_RFS_ACCEL=y
CONFIG_XPS=y
# CONFIG_CGROUP_NET_PRIO is not set
# CONFIG_CGROUP_NET_CLASSID is not set
CONFIG_NET_RX_BUSY_POLL=y
CONFIG_BQL=y
# CONFIG_BPF_JIT is not set
CONFIG_BPF_STREAM_PARSER=y
CONFIG_NET_FLOW_LIMIT=y

#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_NET_DROP_MONITOR is not set
# end of Network testing
# end of Networking options

# CONFIG_HAMRADIO is not set
CONFIG_CAN=m
CONFIG_CAN_RAW=m
CONFIG_CAN_BCM=m
CONFIG_CAN_GW=m
# CONFIG_CAN_J1939 is not set
# CONFIG_CAN_ISOTP is not set

#
# CAN Device Drivers
#
CONFIG_CAN_VCAN=m
# CONFIG_CAN_VXCAN is not set
# CONFIG_CAN_SLCAN is not set
CONFIG_CAN_DEV=m
CONFIG_CAN_CALC_BITTIMING=y
# CONFIG_CAN_KVASER_PCIEFD is not set
# CONFIG_CAN_C_CAN is not set
# CONFIG_CAN_CC770 is not set
# CONFIG_CAN_IFI_CANFD is not set
# CONFIG_CAN_M_CAN is not set
# CONFIG_CAN_PEAK_PCIEFD is not set
# CONFIG_CAN_SJA1000 is not set
# CONFIG_CAN_SOFTING is not set

#
# CAN USB interfaces
#
# CONFIG_CAN_8DEV_USB is not set
# CONFIG_CAN_EMS_USB is not set
# CONFIG_CAN_ESD_USB2 is not set
# CONFIG_CAN_GS_USB is not set
# CONFIG_CAN_KVASER_USB is not set
# CONFIG_CAN_MCBA_USB is not set
# CONFIG_CAN_PEAK_USB is not set
# CONFIG_CAN_UCAN is not set
# end of CAN USB interfaces

# CONFIG_CAN_DEBUG_DEVICES is not set
# end of CAN Device Drivers

# CONFIG_BT is not set
# CONFIG_AF_RXRPC is not set
# CONFIG_AF_KCM is not set
CONFIG_STREAM_PARSER=y
CONFIG_WIRELESS=y
CONFIG_WEXT_CORE=y
CONFIG_WEXT_PROC=y
CONFIG_CFG80211=m
# CONFIG_NL80211_TESTMODE is not set
# CONFIG_CFG80211_DEVELOPER_WARNINGS is not set
# CONFIG_CFG80211_CERTIFICATION_ONUS is not set
CONFIG_CFG80211_REQUIRE_SIGNED_REGDB=y
CONFIG_CFG80211_USE_KERNEL_REGDB_KEYS=y
CONFIG_CFG80211_DEFAULT_PS=y
# CONFIG_CFG80211_DEBUGFS is not set
CONFIG_CFG80211_CRDA_SUPPORT=y
CONFIG_CFG80211_WEXT=y
CONFIG_MAC80211=m
CONFIG_MAC80211_HAS_RC=y
CONFIG_MAC80211_RC_MINSTREL=y
CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y
CONFIG_MAC80211_RC_DEFAULT="minstrel_ht"
CONFIG_MAC80211_MESH=y
CONFIG_MAC80211_LEDS=y
CONFIG_MAC80211_DEBUGFS=y
# CONFIG_MAC80211_MESSAGE_TRACING is not set
# CONFIG_MAC80211_DEBUG_MENU is not set
CONFIG_MAC80211_STA_HASH_MAX_SIZE=0
# CONFIG_RFKILL is not set
CONFIG_NET_9P=y
# CONFIG_NET_9P_DEBUG is not set
# CONFIG_CAIF is not set
# CONFIG_CEPH_LIB is not set
# CONFIG_NFC is not set
# CONFIG_PSAMPLE is not set
# CONFIG_NET_IFE is not set
CONFIG_LWTUNNEL=y
CONFIG_LWTUNNEL_BPF=y
CONFIG_DST_CACHE=y
CONFIG_GRO_CELLS=y
CONFIG_NET_SOCK_MSG=y
CONFIG_NET_DEVLINK=y
CONFIG_PAGE_POOL=y
# CONFIG_FAILOVER is not set
CONFIG_ETHTOOL_NETLINK=y
CONFIG_HAVE_EBPF_JIT=y

#
# Device Drivers
#
CONFIG_HAVE_EISA=y
# CONFIG_EISA is not set
CONFIG_HAVE_PCI=y
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCIEPORTBUS=y
CONFIG_PCIEAER=y
# CONFIG_PCIEAER_INJECT is not set
# CONFIG_PCIE_ECRC is not set
CONFIG_PCIEASPM=y
CONFIG_PCIEASPM_DEFAULT=y
# CONFIG_PCIEASPM_POWERSAVE is not set
# CONFIG_PCIEASPM_POWER_SUPERSAVE is not set
# CONFIG_PCIEASPM_PERFORMANCE is not set
CONFIG_PCIE_PME=y
# CONFIG_PCIE_DPC is not set
# CONFIG_PCIE_PTM is not set
# CONFIG_PCIE_BW is not set
CONFIG_PCI_MSI=y
CONFIG_PCI_MSI_IRQ_DOMAIN=y
CONFIG_PCI_QUIRKS=y
# CONFIG_PCI_DEBUG is not set
# CONFIG_PCI_REALLOC_ENABLE_AUTO is not set
# CONFIG_PCI_STUB is not set
# CONFIG_PCI_PF_STUB is not set
CONFIG_PCI_ATS=y
CONFIG_PCI_LOCKLESS_CONFIG=y
CONFIG_PCI_IOV=y
# CONFIG_PCI_PRI is not set
# CONFIG_PCI_PASID is not set
# CONFIG_PCI_P2PDMA is not set
CONFIG_PCI_LABEL=y
# CONFIG_PCIE_BUS_TUNE_OFF is not set
CONFIG_PCIE_BUS_DEFAULT=y
# CONFIG_PCIE_BUS_SAFE is not set
# CONFIG_PCIE_BUS_PERFORMANCE is not set
# CONFIG_PCIE_BUS_PEER2PEER is not set
# CONFIG_HOTPLUG_PCI is not set

#
# PCI controller drivers
#
# CONFIG_VMD is not set

#
# DesignWare PCI Core Support
#
# CONFIG_PCIE_DW_PLAT_HOST is not set
# CONFIG_PCI_MESON is not set
# end of DesignWare PCI Core Support

#
# Mobiveil PCIe Core Support
#
# end of Mobiveil PCIe Core Support

#
# Cadence PCIe controllers support
#
# end of Cadence PCIe controllers support
# end of PCI controller drivers

#
# PCI Endpoint
#
# CONFIG_PCI_ENDPOINT is not set
# end of PCI Endpoint

#
# PCI switch controller drivers
#
# CONFIG_PCI_SW_SWITCHTEC is not set
# end of PCI switch controller drivers

# CONFIG_PCCARD is not set
# CONFIG_RAPIDIO is not set

#
# Generic Driver Options
#
CONFIG_UEVENT_HELPER=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
# CONFIG_DEVTMPFS_MOUNT is not set
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set

#
# Firmware loader
#
CONFIG_FW_LOADER=y
CONFIG_FW_LOADER_PAGED_BUF=y
CONFIG_EXTRA_FIRMWARE=""
CONFIG_FW_LOADER_USER_HELPER=y
CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y
# CONFIG_FW_LOADER_COMPRESS is not set
CONFIG_FW_CACHE=y
# end of Firmware loader

CONFIG_ALLOW_DEV_COREDUMP=y
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_DEBUG_TEST_DRIVER_REMOVE is not set
# CONFIG_TEST_ASYNC_DRIVER_PROBE is not set
CONFIG_GENERIC_CPU_AUTOPROBE=y
CONFIG_GENERIC_CPU_VULNERABILITIES=y
CONFIG_REGMAP=y
CONFIG_REGMAP_MMIO=y
CONFIG_DMA_SHARED_BUFFER=y
# CONFIG_DMA_FENCE_TRACE is not set
# end of Generic Driver Options

#
# Bus devices
#
# CONFIG_MHI_BUS is not set
# end of Bus devices

CONFIG_CONNECTOR=m
# CONFIG_GNSS is not set
# CONFIG_MTD is not set
# CONFIG_OF is not set
CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
# CONFIG_PARPORT is not set
CONFIG_PNP=y
CONFIG_PNP_DEBUG_MESSAGES=y

#
# Protocols
#
CONFIG_PNPACPI=y
CONFIG_BLK_DEV=y
# CONFIG_BLK_DEV_NULL_BLK is not set
# CONFIG_BLK_DEV_FD is not set
CONFIG_CDROM=m
# CONFIG_BLK_DEV_PCIESSD_MTIP32XX is not set
# CONFIG_BLK_DEV_UMEM is not set
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_LOOP_MIN_COUNT=8
CONFIG_BLK_DEV_CRYPTOLOOP=y
# CONFIG_BLK_DEV_DRBD is not set
CONFIG_BLK_DEV_NBD=m
# CONFIG_BLK_DEV_SKD is not set
# CONFIG_BLK_DEV_SX8 is not set
CONFIG_BLK_DEV_RAM=m
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=65536
# CONFIG_CDROM_PKTCDVD is not set
CONFIG_ATA_OVER_ETH=y
# CONFIG_BLK_DEV_RBD is not set
# CONFIG_BLK_DEV_RSXX is not set

#
# NVME Support
#
CONFIG_NVME_CORE=m
CONFIG_BLK_DEV_NVME=m
CONFIG_NVME_MULTIPATH=y
# CONFIG_NVME_HWMON is not set
CONFIG_NVME_FABRICS=m
# CONFIG_NVME_FC is not set
# CONFIG_NVME_TCP is not set
CONFIG_NVME_TARGET=m
# CONFIG_NVME_TARGET_PASSTHRU is not set
CONFIG_NVME_TARGET_LOOP=m
# CONFIG_NVME_TARGET_FC is not set
# CONFIG_NVME_TARGET_TCP is not set
# end of NVME Support

#
# Misc devices
#
# CONFIG_AD525X_DPOT is not set
# CONFIG_DUMMY_IRQ is not set
# CONFIG_IBM_ASM is not set
# CONFIG_PHANTOM 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_BH1770 is not set
# CONFIG_SENSORS_APDS990X is not set
# CONFIG_HMC6352 is not set
# CONFIG_DS1682 is not set
# CONFIG_SRAM is not set
# CONFIG_PCI_ENDPOINT_TEST is not set
# CONFIG_XILINX_SDFEC is not set
# CONFIG_PVPANIC 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=y
# CONFIG_EEPROM_IDT_89HPESX is not set
# CONFIG_EEPROM_EE1004 is not set
# end of EEPROM support

# CONFIG_CB710_CORE is not set

#
# Texas Instruments shared transport line discipline
#
# end of Texas Instruments shared transport line discipline

# CONFIG_SENSORS_LIS3_I2C is not set
# CONFIG_ALTERA_STAPL is not set
# CONFIG_INTEL_MEI is not set
# CONFIG_INTEL_MEI_ME is not set
# CONFIG_INTEL_MEI_TXE is not set
# CONFIG_VMWARE_VMCI is not set
# CONFIG_GENWQE is not set
# CONFIG_ECHO is not set
# CONFIG_MISC_ALCOR_PCI is not set
# CONFIG_MISC_RTSX_PCI is not set
# CONFIG_MISC_RTSX_USB is not set
# CONFIG_HABANA_AI is not set
# CONFIG_UACCE is not set
# end of Misc devices

CONFIG_HAVE_IDE=y
# CONFIG_IDE is not set

#
# SCSI device support
#
CONFIG_SCSI_MOD=y
CONFIG_RAID_ATTRS=m
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
CONFIG_SCSI_NETLINK=y
# CONFIG_SCSI_PROC_FS is not set

#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=m
CONFIG_BLK_DEV_SR=m
CONFIG_CHR_DEV_SG=m
CONFIG_CHR_DEV_SCH=m
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_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=m
# end of SCSI Transports

CONFIG_SCSI_LOWLEVEL=y
CONFIG_ISCSI_TCP=m
CONFIG_ISCSI_BOOT_SYSFS=m
CONFIG_SCSI_CXGB3_ISCSI=m
CONFIG_SCSI_CXGB4_ISCSI=m
CONFIG_SCSI_BNX2_ISCSI=m
CONFIG_SCSI_BNX2X_FCOE=m
CONFIG_BE2ISCSI=m
# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
CONFIG_SCSI_HPSA=m
CONFIG_SCSI_3W_9XXX=m
CONFIG_SCSI_3W_SAS=m
# CONFIG_SCSI_ACARD is not set
CONFIG_SCSI_AACRAID=m
# CONFIG_SCSI_AIC7XXX is not set
CONFIG_SCSI_AIC79XX=m
CONFIG_AIC79XX_CMDS_PER_DEVICE=4
CONFIG_AIC79XX_RESET_DELAY_MS=15000
# CONFIG_AIC79XX_BUILD_FIRMWARE is not set
# CONFIG_AIC79XX_DEBUG_ENABLE is not set
CONFIG_AIC79XX_DEBUG_MASK=0
# CONFIG_AIC79XX_REG_PRETTY_PRINT is not set
# CONFIG_SCSI_AIC94XX is not set
CONFIG_SCSI_MVSAS=m
# CONFIG_SCSI_MVSAS_DEBUG is not set
CONFIG_SCSI_MVSAS_TASKLET=y
CONFIG_SCSI_MVUMI=m
# CONFIG_SCSI_DPT_I2O is not set
# CONFIG_SCSI_ADVANSYS is not set
CONFIG_SCSI_ARCMSR=m
# CONFIG_SCSI_ESAS2R is not set
# CONFIG_MEGARAID_NEWGEN is not set
# CONFIG_MEGARAID_LEGACY is not set
CONFIG_MEGARAID_SAS=m
CONFIG_SCSI_MPT3SAS=m
CONFIG_SCSI_MPT2SAS_MAX_SGE=128
CONFIG_SCSI_MPT3SAS_MAX_SGE=128
CONFIG_SCSI_MPT2SAS=m
# CONFIG_SCSI_SMARTPQI is not set
CONFIG_SCSI_UFSHCD=m
CONFIG_SCSI_UFSHCD_PCI=m
# CONFIG_SCSI_UFS_DWC_TC_PCI is not set
# CONFIG_SCSI_UFSHCD_PLATFORM is not set
# CONFIG_SCSI_UFS_BSG is not set
CONFIG_SCSI_HPTIOP=m
# CONFIG_SCSI_BUSLOGIC is not set
# CONFIG_SCSI_MYRB is not set
# CONFIG_SCSI_MYRS is not set
CONFIG_VMWARE_PVSCSI=m
CONFIG_LIBFC=m
CONFIG_LIBFCOE=m
CONFIG_FCOE=m
CONFIG_FCOE_FNIC=m
# CONFIG_SCSI_SNIC is not set
# CONFIG_SCSI_DMX3191D is not set
# CONFIG_SCSI_FDOMAIN_PCI is not set
# CONFIG_SCSI_GDTH is not set
CONFIG_SCSI_ISCI=m
# CONFIG_SCSI_IPS is not set
CONFIG_SCSI_INITIO=m
# CONFIG_SCSI_INIA100 is not set
CONFIG_SCSI_STEX=m
# CONFIG_SCSI_SYM53C8XX_2 is not set
CONFIG_SCSI_IPR=m
CONFIG_SCSI_IPR_TRACE=y
CONFIG_SCSI_IPR_DUMP=y
# CONFIG_SCSI_QLOGIC_1280 is not set
CONFIG_SCSI_QLA_FC=m
CONFIG_SCSI_QLA_ISCSI=m
# CONFIG_SCSI_LPFC is not set
# CONFIG_SCSI_DC395x is not set
# CONFIG_SCSI_AM53C974 is not set
# CONFIG_SCSI_WD719X is not set
CONFIG_SCSI_DEBUG=m
CONFIG_SCSI_PMCRAID=m
CONFIG_SCSI_PM8001=m
# CONFIG_SCSI_BFA_FC is not set
CONFIG_SCSI_CHELSIO_FCOE=m
CONFIG_SCSI_DH=y
CONFIG_SCSI_DH_RDAC=y
CONFIG_SCSI_DH_HP_SW=y
CONFIG_SCSI_DH_EMC=y
CONFIG_SCSI_DH_ALUA=y
# end of SCSI device support

CONFIG_ATA=y
CONFIG_SATA_HOST=y
CONFIG_PATA_TIMINGS=y
CONFIG_ATA_VERBOSE_ERROR=y
CONFIG_ATA_FORCE=y
CONFIG_ATA_ACPI=y
# CONFIG_SATA_ZPODD is not set
CONFIG_SATA_PMP=y

#
# Controllers with non-SFF native interface
#
CONFIG_SATA_AHCI=y
CONFIG_SATA_MOBILE_LPM_POLICY=0
CONFIG_SATA_AHCI_PLATFORM=y
# CONFIG_SATA_INIC162X is not set
CONFIG_SATA_ACARD_AHCI=m
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=y
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_ARTOP is not set
# CONFIG_PATA_ATIIXP is not set
# CONFIG_PATA_ATP867X is not set
# CONFIG_PATA_CMD64X is not set
# CONFIG_PATA_CYPRESS is not set
# CONFIG_PATA_EFAR is not set
# 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 is not set
# 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 is not set
# CONFIG_PATA_RADISYS is not set
# CONFIG_PATA_RDC is not set
# CONFIG_PATA_SCH is not set
# 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 is not set

#
# 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_PLATFORM is not set
# CONFIG_PATA_RZ1000 is not set

#
# Generic fallback / legacy drivers
#
# CONFIG_PATA_ACPI is not set
CONFIG_ATA_GENERIC=m
# CONFIG_PATA_LEGACY is not set
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_MD_MULTIPATH=m
CONFIG_MD_FAULTY=m
# CONFIG_BCACHE is not set
CONFIG_BLK_DEV_DM_BUILTIN=y
CONFIG_BLK_DEV_DM=m
# CONFIG_DM_DEBUG is not set
CONFIG_DM_BUFIO=m
# CONFIG_DM_DEBUG_BLOCK_MANAGER_LOCKING is not set
CONFIG_DM_BIO_PRISON=m
CONFIG_DM_PERSISTENT_DATA=m
# CONFIG_DM_UNSTRIPED is not set
CONFIG_DM_CRYPT=m
CONFIG_DM_SNAPSHOT=m
CONFIG_DM_THIN_PROVISIONING=m
CONFIG_DM_CACHE=m
CONFIG_DM_CACHE_SMQ=m
# CONFIG_DM_WRITECACHE is not set
# CONFIG_DM_EBS is not set
# CONFIG_DM_ERA is not set
# CONFIG_DM_CLONE is not set
CONFIG_DM_MIRROR=m
CONFIG_DM_LOG_USERSPACE=m
CONFIG_DM_RAID=m
CONFIG_DM_ZERO=m
CONFIG_DM_MULTIPATH=m
CONFIG_DM_MULTIPATH_QL=m
CONFIG_DM_MULTIPATH_ST=m
# CONFIG_DM_MULTIPATH_HST is not set
CONFIG_DM_DELAY=m
# CONFIG_DM_DUST is not set
# CONFIG_DM_UEVENT is not set
CONFIG_DM_FLAKEY=m
CONFIG_DM_VERITY=m
# CONFIG_DM_VERITY_VERIFY_ROOTHASH_SIG is not set
# CONFIG_DM_VERITY_FEC is not set
CONFIG_DM_SWITCH=m
CONFIG_DM_LOG_WRITES=m
# CONFIG_DM_INTEGRITY is not set
# CONFIG_TARGET_CORE is not set
# CONFIG_FUSION is not set

#
# IEEE 1394 (FireWire) support
#
# CONFIG_FIREWIRE is not set
# CONFIG_FIREWIRE_NOSY is not set
# end of IEEE 1394 (FireWire) support

# CONFIG_MACINTOSH_DRIVERS is not set
CONFIG_NETDEVICES=y
CONFIG_MII=y
CONFIG_NET_CORE=y
# CONFIG_BONDING is not set
CONFIG_DUMMY=y
# CONFIG_WIREGUARD is not set
# CONFIG_EQUALIZER is not set
CONFIG_NET_FC=y
# CONFIG_NET_TEAM is not set
# CONFIG_MACVLAN is not set
# CONFIG_IPVLAN is not set
# CONFIG_VXLAN is not set
# CONFIG_GENEVE is not set
# CONFIG_BAREUDP is not set
# CONFIG_GTP is not set
CONFIG_MACSEC=y
CONFIG_NETCONSOLE=y
CONFIG_NETCONSOLE_DYNAMIC=y
CONFIG_NETPOLL=y
CONFIG_NET_POLL_CONTROLLER=y
CONFIG_TUN=m
# CONFIG_TUN_VNET_CROSS_LE is not set
CONFIG_VETH=y
# CONFIG_NLMON is not set
# CONFIG_ARCNET is not set

#
# Distributed Switch Architecture drivers
#
# end of Distributed Switch Architecture drivers

CONFIG_ETHERNET=y
CONFIG_MDIO=y
CONFIG_NET_VENDOR_3COM=y
CONFIG_VORTEX=y
CONFIG_TYPHOON=y
CONFIG_NET_VENDOR_ADAPTEC=y
CONFIG_ADAPTEC_STARFIRE=y
CONFIG_NET_VENDOR_AGERE=y
# CONFIG_ET131X is not set
CONFIG_NET_VENDOR_ALACRITECH=y
# CONFIG_SLICOSS is not set
CONFIG_NET_VENDOR_ALTEON=y
# CONFIG_ACENIC is not set
# CONFIG_ALTERA_TSE is not set
CONFIG_NET_VENDOR_AMAZON=y
# CONFIG_ENA_ETHERNET is not set
CONFIG_NET_VENDOR_AMD=y
# CONFIG_AMD8111_ETH is not set
# CONFIG_PCNET32 is not set
# CONFIG_AMD_XGBE is not set
CONFIG_NET_VENDOR_AQUANTIA=y
# CONFIG_AQTION is not set
CONFIG_NET_VENDOR_ARC=y
CONFIG_NET_VENDOR_ATHEROS=y
# CONFIG_ATL2 is not set
# CONFIG_ATL1 is not set
# CONFIG_ATL1E is not set
# CONFIG_ATL1C is not set
# CONFIG_ALX is not set
# CONFIG_NET_VENDOR_AURORA is not set
CONFIG_NET_VENDOR_BROADCOM=y
CONFIG_B44=y
CONFIG_B44_PCI_AUTOSELECT=y
CONFIG_B44_PCICORE_AUTOSELECT=y
CONFIG_B44_PCI=y
# CONFIG_BCMGENET is not set
CONFIG_BNX2=y
CONFIG_CNIC=y
# CONFIG_TIGON3 is not set
CONFIG_BNX2X=y
CONFIG_BNX2X_SRIOV=y
# CONFIG_SYSTEMPORT is not set
# CONFIG_BNXT is not set
CONFIG_NET_VENDOR_BROCADE=y
# CONFIG_BNA is not set
CONFIG_NET_VENDOR_CADENCE=y
# CONFIG_MACB is not set
# CONFIG_NET_VENDOR_CAVIUM is not set
CONFIG_NET_VENDOR_CHELSIO=y
CONFIG_CHELSIO_T1=y
# CONFIG_CHELSIO_T1_1G is not set
CONFIG_CHELSIO_T3=y
CONFIG_CHELSIO_T4=y
# CONFIG_CHELSIO_T4VF is not set
CONFIG_CHELSIO_LIB=m
CONFIG_CHELSIO_INLINE_CRYPTO=y
CONFIG_NET_VENDOR_CISCO=y
CONFIG_ENIC=y
CONFIG_NET_VENDOR_CORTINA=y
# CONFIG_CX_ECAT is not set
CONFIG_DNET=y
CONFIG_NET_VENDOR_DEC=y
# CONFIG_NET_TULIP is not set
CONFIG_NET_VENDOR_DLINK=y
# CONFIG_DL2K is not set
CONFIG_SUNDANCE=y
CONFIG_SUNDANCE_MMIO=y
CONFIG_NET_VENDOR_EMULEX=y
CONFIG_BE2NET=y
# CONFIG_BE2NET_HWMON is not set
CONFIG_BE2NET_BE2=y
CONFIG_BE2NET_BE3=y
CONFIG_BE2NET_LANCER=y
CONFIG_BE2NET_SKYHAWK=y
# CONFIG_NET_VENDOR_EZCHIP is not set
CONFIG_NET_VENDOR_GOOGLE=y
# CONFIG_GVE is not set
CONFIG_NET_VENDOR_HUAWEI=y
# CONFIG_HINIC is not set
CONFIG_NET_VENDOR_I825XX=y
CONFIG_NET_VENDOR_INTEL=y
CONFIG_E100=y
CONFIG_E1000=y
CONFIG_E1000E=y
# CONFIG_E1000E_HWTS is not set
CONFIG_IGB=y
CONFIG_IGB_HWMON=y
CONFIG_IGBVF=y
# CONFIG_IXGB is not set
CONFIG_IXGBE=y
CONFIG_IXGBE_HWMON=y
CONFIG_IXGBEVF=m
CONFIG_I40E=y
# CONFIG_I40EVF is not set
# CONFIG_ICE is not set
# CONFIG_FM10K is not set
# CONFIG_IGC is not set
CONFIG_JME=y
CONFIG_NET_VENDOR_MARVELL=y
# CONFIG_MVMDIO is not set
# CONFIG_SKGE is not set
# CONFIG_SKY2 is not set
CONFIG_NET_VENDOR_MELLANOX=y
# CONFIG_MLX4_EN is not set
# CONFIG_MLX5_CORE is not set
# CONFIG_MLXSW_CORE is not set
# CONFIG_MLXFW is not set
CONFIG_NET_VENDOR_MICREL=y
CONFIG_KS8851_MLL=y
CONFIG_KSZ884X_PCI=y
CONFIG_NET_VENDOR_MICROCHIP=y
# CONFIG_LAN743X is not set
CONFIG_NET_VENDOR_MICROSEMI=y
CONFIG_NET_VENDOR_MYRI=y
CONFIG_MYRI10GE=y
CONFIG_FEALNX=y
CONFIG_NET_VENDOR_NATSEMI=y
CONFIG_NATSEMI=y
CONFIG_NS83820=y
CONFIG_NET_VENDOR_NETERION=y
CONFIG_S2IO=y
CONFIG_VXGE=y
# CONFIG_VXGE_DEBUG_TRACE_ALL is not set
# CONFIG_NET_VENDOR_NETRONOME is not set
CONFIG_NET_VENDOR_NI=y
# CONFIG_NI_XGE_MANAGEMENT_ENET is not set
CONFIG_NET_VENDOR_8390=y
# CONFIG_NE2K_PCI is not set
CONFIG_NET_VENDOR_NVIDIA=y
# CONFIG_FORCEDETH is not set
CONFIG_NET_VENDOR_OKI=y
CONFIG_ETHOC=y
CONFIG_NET_VENDOR_PACKET_ENGINES=y
# CONFIG_HAMACHI is not set
# CONFIG_YELLOWFIN is not set
CONFIG_NET_VENDOR_PENSANDO=y
# CONFIG_IONIC is not set
CONFIG_NET_VENDOR_QLOGIC=y
CONFIG_QLA3XXX=y
CONFIG_QLCNIC=y
CONFIG_QLCNIC_SRIOV=y
CONFIG_QLCNIC_HWMON=y
CONFIG_NETXEN_NIC=y
# CONFIG_QED is not set
CONFIG_NET_VENDOR_QUALCOMM=y
# CONFIG_QCOM_EMAC is not set
# CONFIG_RMNET is not set
CONFIG_NET_VENDOR_RDC=y
CONFIG_R6040=y
CONFIG_NET_VENDOR_REALTEK=y
# CONFIG_8139CP is not set
# CONFIG_8139TOO is not set
CONFIG_R8169=y
# CONFIG_NET_VENDOR_RENESAS is not set
CONFIG_NET_VENDOR_ROCKER=y
CONFIG_NET_VENDOR_SAMSUNG=y
# CONFIG_SXGBE_ETH is not set
CONFIG_NET_VENDOR_SEEQ=y
CONFIG_NET_VENDOR_SOLARFLARE=y
# CONFIG_SFC is not set
# CONFIG_SFC_FALCON is not set
CONFIG_NET_VENDOR_SILAN=y
CONFIG_SC92031=y
CONFIG_NET_VENDOR_SIS=y
# CONFIG_SIS900 is not set
CONFIG_SIS190=y
CONFIG_NET_VENDOR_SMSC=y
CONFIG_EPIC100=y
# CONFIG_SMSC911X is not set
CONFIG_SMSC9420=y
CONFIG_NET_VENDOR_SOCIONEXT=y
CONFIG_NET_VENDOR_STMICRO=y
CONFIG_STMMAC_ETH=y
# CONFIG_STMMAC_SELFTESTS is not set
CONFIG_STMMAC_PLATFORM=y
# CONFIG_DWMAC_GENERIC is not set
CONFIG_DWMAC_INTEL=y
# CONFIG_STMMAC_PCI is not set
CONFIG_NET_VENDOR_SUN=y
# CONFIG_HAPPYMEAL is not set
# CONFIG_SUNGEM is not set
# CONFIG_CASSINI is not set
CONFIG_NIU=y
# CONFIG_NET_VENDOR_SYNOPSYS is not set
CONFIG_NET_VENDOR_TEHUTI=y
CONFIG_TEHUTI=y
CONFIG_NET_VENDOR_TI=y
# CONFIG_TI_CPSW_PHY_SEL is not set
CONFIG_TLAN=y
CONFIG_NET_VENDOR_VIA=y
# CONFIG_VIA_RHINE is not set
# CONFIG_VIA_VELOCITY is not set
CONFIG_NET_VENDOR_WIZNET=y
# CONFIG_WIZNET_W5100 is not set
# CONFIG_WIZNET_W5300 is not set
CONFIG_NET_VENDOR_XILINX=y
# CONFIG_XILINX_AXI_EMAC is not set
# CONFIG_XILINX_LL_TEMAC is not set
# CONFIG_FDDI is not set
# CONFIG_HIPPI is not set
# CONFIG_NET_SB1000 is not set
CONFIG_PHYLINK=y
CONFIG_PHYLIB=y
CONFIG_SWPHY=y
# CONFIG_LED_TRIGGER_PHY is not set
# CONFIG_FIXED_PHY is not set
# CONFIG_SFP is not set

#
# MII PHY device drivers
#
# CONFIG_AMD_PHY is not set
# CONFIG_ADIN_PHY is not set
# CONFIG_AQUANTIA_PHY is not set
# CONFIG_AX88796B_PHY is not set
CONFIG_BROADCOM_PHY=y
# CONFIG_BCM54140_PHY is not set
# CONFIG_BCM7XXX_PHY is not set
# CONFIG_BCM84881_PHY is not set
# CONFIG_BCM87XX_PHY is not set
CONFIG_BCM_NET_PHYLIB=y
CONFIG_CICADA_PHY=y
# CONFIG_CORTINA_PHY is not set
CONFIG_DAVICOM_PHY=y
CONFIG_ICPLUS_PHY=y
CONFIG_LXT_PHY=y
# CONFIG_INTEL_XWAY_PHY is not set
# CONFIG_LSI_ET1011C_PHY is not set
CONFIG_MARVELL_PHY=y
# CONFIG_MARVELL_10G_PHY is not set
# CONFIG_MICREL_PHY is not set
# CONFIG_MICROCHIP_PHY is not set
# CONFIG_MICROCHIP_T1_PHY is not set
# CONFIG_MICROSEMI_PHY is not set
# CONFIG_NATIONAL_PHY is not set
# CONFIG_NXP_TJA11XX_PHY is not set
CONFIG_QSEMI_PHY=y
CONFIG_REALTEK_PHY=y
# CONFIG_RENESAS_PHY is not set
# CONFIG_ROCKCHIP_PHY is not set
CONFIG_SMSC_PHY=y
# CONFIG_STE10XP is not set
# CONFIG_TERANETICS_PHY is not set
# CONFIG_DP83822_PHY is not set
# CONFIG_DP83TC811_PHY is not set
# CONFIG_DP83848_PHY is not set
# CONFIG_DP83867_PHY is not set
# CONFIG_DP83869_PHY is not set
CONFIG_VITESSE_PHY=y
# CONFIG_XILINX_GMII2RGMII is not set
CONFIG_MDIO_DEVICE=y
CONFIG_MDIO_BUS=y
CONFIG_MDIO_DEVRES=y
# CONFIG_MDIO_BITBANG is not set
# CONFIG_MDIO_BCM_UNIMAC is not set
# CONFIG_MDIO_MVUSB is not set
# CONFIG_MDIO_MSCC_MIIM is not set
# CONFIG_MDIO_THUNDER is not set

#
# MDIO Multiplexers
#

#
# PCS device drivers
#
CONFIG_PCS_XPCS=y
# end of PCS device drivers

CONFIG_PPP=y
CONFIG_PPP_BSDCOMP=y
CONFIG_PPP_DEFLATE=y
# CONFIG_PPP_FILTER is not set
CONFIG_PPP_MPPE=y
CONFIG_PPP_MULTILINK=y
CONFIG_PPPOE=y
CONFIG_PPP_ASYNC=y
CONFIG_PPP_SYNC_TTY=y
CONFIG_SLIP=y
CONFIG_SLHC=y
# CONFIG_SLIP_COMPRESSED is not set
CONFIG_SLIP_SMART=y
CONFIG_SLIP_MODE_SLIP6=y
CONFIG_USB_NET_DRIVERS=y
# 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_RTL8152=m
# CONFIG_USB_LAN78XX is not set
CONFIG_USB_USBNET=m
# CONFIG_USB_NET_AX8817X is not set
CONFIG_USB_NET_AX88179_178A=m
CONFIG_USB_NET_CDCETHER=m
# CONFIG_USB_NET_CDC_EEM is not set
CONFIG_USB_NET_CDC_NCM=m
# CONFIG_USB_NET_HUAWEI_CDC_NCM is not set
# CONFIG_USB_NET_CDC_MBIM is not set
# CONFIG_USB_NET_DM9601 is not set
# CONFIG_USB_NET_SR9700 is not set
# CONFIG_USB_NET_SR9800 is not set
# CONFIG_USB_NET_SMSC75XX is not set
# CONFIG_USB_NET_SMSC95XX is not set
# CONFIG_USB_NET_GL620A is not set
# CONFIG_USB_NET_NET1080 is not set
# CONFIG_USB_NET_PLUSB is not set
# CONFIG_USB_NET_MCS7830 is not set
CONFIG_USB_NET_RNDIS_HOST=m
# CONFIG_USB_NET_CDC_SUBSET is not set
# CONFIG_USB_NET_ZAURUS is not set
CONFIG_USB_NET_CX82310_ETH=m
CONFIG_USB_NET_KALMIA=m
# CONFIG_USB_NET_QMI_WWAN is not set
# CONFIG_USB_NET_INT51X1 is not set
# CONFIG_USB_IPHETH is not set
# CONFIG_USB_SIERRA_NET is not set
CONFIG_USB_VL600=m
# CONFIG_USB_NET_CH9200 is not set
# CONFIG_USB_NET_AQC111 is not set
CONFIG_WLAN=y
# CONFIG_WLAN_VENDOR_ADMTEK is not set
# CONFIG_WLAN_VENDOR_ATH is not set
# CONFIG_WLAN_VENDOR_ATMEL is not set
# CONFIG_WLAN_VENDOR_BROADCOM is not set
# CONFIG_WLAN_VENDOR_CISCO is not set
# CONFIG_WLAN_VENDOR_INTEL is not set
# CONFIG_WLAN_VENDOR_INTERSIL is not set
# CONFIG_WLAN_VENDOR_MARVELL is not set
# CONFIG_WLAN_VENDOR_MEDIATEK is not set
CONFIG_WLAN_VENDOR_MICROCHIP=y
# CONFIG_WLAN_VENDOR_RALINK is not set
# CONFIG_WLAN_VENDOR_REALTEK is not set
# CONFIG_WLAN_VENDOR_RSI is not set
# CONFIG_WLAN_VENDOR_ST is not set
# CONFIG_WLAN_VENDOR_TI is not set
# CONFIG_WLAN_VENDOR_ZYDAS is not set
CONFIG_WLAN_VENDOR_QUANTENNA=y
# CONFIG_QTNFMAC_PCIE is not set
CONFIG_MAC80211_HWSIM=m
CONFIG_USB_NET_RNDIS_WLAN=m
# CONFIG_VIRT_WIFI is not set
# CONFIG_WAN is not set
# CONFIG_VMXNET3 is not set
# CONFIG_FUJITSU_ES is not set
CONFIG_NETDEVSIM=m
# CONFIG_NET_FAILOVER is not set
# CONFIG_ISDN is not set
# CONFIG_NVM is not set

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

#
# Userland interfaces
#
CONFIG_INPUT_MOUSEDEV=y
CONFIG_INPUT_MOUSEDEV_PSAUX=y
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=y
CONFIG_KEYBOARD_ADP5589=y
CONFIG_KEYBOARD_ATKBD=y
# CONFIG_KEYBOARD_QT1050 is not set
CONFIG_KEYBOARD_QT1070=y
CONFIG_KEYBOARD_QT2160=y
# CONFIG_KEYBOARD_DLINK_DIR685 is not set
CONFIG_KEYBOARD_LKKBD=y
CONFIG_KEYBOARD_TCA6416=y
# CONFIG_KEYBOARD_TCA8418 is not set
CONFIG_KEYBOARD_LM8323=y
# CONFIG_KEYBOARD_LM8333 is not set
CONFIG_KEYBOARD_MAX7359=y
CONFIG_KEYBOARD_MCS=y
CONFIG_KEYBOARD_MPR121=y
CONFIG_KEYBOARD_NEWTON=y
CONFIG_KEYBOARD_OPENCORES=y
# CONFIG_KEYBOARD_SAMSUNG is not set
CONFIG_KEYBOARD_STOWAWAY=y
CONFIG_KEYBOARD_SUNKBD=y
# CONFIG_KEYBOARD_TM2_TOUCHKEY is not set
CONFIG_KEYBOARD_XTKBD=y
CONFIG_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=y
CONFIG_MOUSE_PS2_ALPS=y
# CONFIG_MOUSE_PS2_BYD is not set
CONFIG_MOUSE_PS2_LOGIPS2PP=y
CONFIG_MOUSE_PS2_SYNAPTICS=y
CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS=y
CONFIG_MOUSE_PS2_CYPRESS=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_PS2_FOCALTECH=y
# CONFIG_MOUSE_PS2_VMMOUSE is not set
CONFIG_MOUSE_PS2_SMBUS=y
# CONFIG_MOUSE_SERIAL is not set
# CONFIG_MOUSE_APPLETOUCH is not set
# CONFIG_MOUSE_BCM5974 is not set
# CONFIG_MOUSE_CYAPA is not set
# CONFIG_MOUSE_ELAN_I2C 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 is not set
# CONFIG_INPUT_TABLET 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_E3X0_BUTTON is not set
# CONFIG_INPUT_PCSPKR is not set
# CONFIG_INPUT_MMA8450 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=y
# CONFIG_INPUT_PCF8574 is not set
# CONFIG_INPUT_ADXL34X is not set
# CONFIG_INPUT_IMS_PCU is not set
# CONFIG_INPUT_IQS269A is not set
# CONFIG_INPUT_CMA3000 is not set
# CONFIG_INPUT_IDEAPAD_SLIDEBAR is not set
# CONFIG_INPUT_DRV2665_HAPTICS is not set
# CONFIG_INPUT_DRV2667_HAPTICS is not set
# CONFIG_RMI4_CORE is not set

#
# Hardware I/O ports
#
CONFIG_SERIO=y
CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y
CONFIG_SERIO_I8042=y
# CONFIG_SERIO_SERPORT is not set
# 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_USERIO is not set
# CONFIG_GAMEPORT is not set
# end of Hardware I/O ports
# end of Input device support

#
# Character devices
#
CONFIG_TTY=y
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=y
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
CONFIG_LDISC_AUTOLOAD=y

#
# Serial drivers
#
CONFIG_SERIAL_EARLYCON=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_DEPRECATED_OPTIONS=y
CONFIG_SERIAL_8250_PNP=y
# CONFIG_SERIAL_8250_16550A_VARIANTS is not set
# CONFIG_SERIAL_8250_FINTEK is not set
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_PCI=y
CONFIG_SERIAL_8250_EXAR=y
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=y
CONFIG_SERIAL_8250_DWLIB=y
# CONFIG_SERIAL_8250_DW is not set
# CONFIG_SERIAL_8250_RT288X is not set
CONFIG_SERIAL_8250_LPSS=y
# CONFIG_SERIAL_8250_MID is not set

#
# Non-8250 serial port support
#
# CONFIG_SERIAL_UARTLITE is not set
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_JSM is not set
# CONFIG_SERIAL_LANTIQ is not set
# CONFIG_SERIAL_SCCNXP is not set
# CONFIG_SERIAL_SC16IS7XX is not set
# CONFIG_SERIAL_ALTERA_JTAGUART is not set
# CONFIG_SERIAL_ALTERA_UART is not set
# CONFIG_SERIAL_ARC is not set
# CONFIG_SERIAL_RP2 is not set
# CONFIG_SERIAL_FSL_LPUART is not set
# CONFIG_SERIAL_FSL_LINFLEXUART is not set
# CONFIG_SERIAL_SPRD is not set
# end of Serial drivers

# CONFIG_SERIAL_NONSTANDARD is not set
# CONFIG_N_GSM is not set
CONFIG_NOZOMI=y
# CONFIG_NULL_TTY is not set
# CONFIG_TRACE_SINK is not set
# CONFIG_SERIAL_DEV_BUS is not set
# CONFIG_TTY_PRINTK is not set
# CONFIG_VIRTIO_CONSOLE is not set
CONFIG_IPMI_HANDLER=m
CONFIG_IPMI_DMI_DECODE=y
CONFIG_IPMI_PLAT_DATA=y
# CONFIG_IPMI_PANIC_EVENT is not set
# CONFIG_IPMI_DEVICE_INTERFACE is not set
CONFIG_IPMI_SI=m
# CONFIG_IPMI_SSIF is not set
CONFIG_IPMI_WATCHDOG=m
CONFIG_IPMI_POWEROFF=m
CONFIG_HW_RANDOM=y
# CONFIG_HW_RANDOM_TIMERIOMEM is not set
CONFIG_HW_RANDOM_INTEL=y
# CONFIG_HW_RANDOM_AMD is not set
# CONFIG_HW_RANDOM_BA431 is not set
CONFIG_HW_RANDOM_VIA=y
# CONFIG_HW_RANDOM_XIPHERA is not set
# CONFIG_APPLICOM is not set
# CONFIG_MWAVE is not set
CONFIG_DEVMEM=y
CONFIG_DEVKMEM=y
CONFIG_NVRAM=y
# CONFIG_RAW_DRIVER is not set
CONFIG_DEVPORT=y
# CONFIG_HPET is not set
CONFIG_HANGCHECK_TIMER=y
# CONFIG_TCG_TPM is not set
# CONFIG_TELCLOCK is not set
# CONFIG_XILLYBUS is not set
# end of Character devices

# CONFIG_RANDOM_TRUST_CPU is not set
# CONFIG_RANDOM_TRUST_BOOTLOADER is not set

#
# I2C support
#
CONFIG_I2C=y
CONFIG_ACPI_I2C_OPREGION=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_AMD_MP2 is not set
# CONFIG_I2C_I801 is not set
# CONFIG_I2C_ISCH is not set
# CONFIG_I2C_ISMT is not set
# CONFIG_I2C_PIIX4 is not set
# CONFIG_I2C_NFORCE2 is not set
# CONFIG_I2C_NVIDIA_GPU 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_PLATFORM is not set
# CONFIG_I2C_DESIGNWARE_PCI is not set
# CONFIG_I2C_EMEV2 is not set
# CONFIG_I2C_OCORES is not set
# CONFIG_I2C_PCA_PLATFORM 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_ROBOTFUZZ_OSIF is not set
# CONFIG_I2C_TAOS_EVM is not set
# CONFIG_I2C_TINY_USB is not set

#
# Other I2C/SMBus bus drivers
#
# CONFIG_I2C_MLXCPLD is not set
# end of I2C Hardware Bus support

# CONFIG_I2C_STUB is not set
# CONFIG_I2C_SLAVE is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
# end of I2C support

# CONFIG_I3C is not set
# CONFIG_SPI is not set
# CONFIG_SPMI is not set
# CONFIG_HSI is not set
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_KVM=y
# CONFIG_PTP_1588_CLOCK_IDT82P33 is not set
# CONFIG_PTP_1588_CLOCK_IDTCM is not set
# CONFIG_PTP_1588_CLOCK_VMW is not set
# end of PTP clock support

# CONFIG_PINCTRL is not set
# CONFIG_GPIOLIB is not set
# CONFIG_W1 is not set
# CONFIG_POWER_RESET is not set
CONFIG_POWER_SUPPLY=y
# CONFIG_POWER_SUPPLY_DEBUG is not set
CONFIG_POWER_SUPPLY_HWMON=y
# CONFIG_PDA_POWER is not set
# CONFIG_TEST_POWER is not set
# CONFIG_CHARGER_ADP5061 is not set
# CONFIG_BATTERY_CW2015 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_CHARGER_SBS is not set
# CONFIG_BATTERY_BQ27XXX 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_BATTERY_GAUGE_LTC2941 is not set
# CONFIG_CHARGER_BD99954 is not set
CONFIG_HWMON=y
# 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_ADM1177 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_AS370 is not set
# CONFIG_SENSORS_ASC7621 is not set
# CONFIG_SENSORS_AXI_FAN_CONTROL is not set
# CONFIG_SENSORS_K8TEMP is not set
# CONFIG_SENSORS_K10TEMP is not set
# CONFIG_SENSORS_FAM15H_POWER is not set
# CONFIG_SENSORS_AMD_ENERGY is not set
# CONFIG_SENSORS_APPLESMC is not set
# CONFIG_SENSORS_ASB100 is not set
# CONFIG_SENSORS_ASPEED is not set
# CONFIG_SENSORS_ATXP1 is not set
# CONFIG_SENSORS_CORSAIR_CPRO is not set
# CONFIG_SENSORS_DRIVETEMP is not set
# CONFIG_SENSORS_DS620 is not set
# CONFIG_SENSORS_DS1621 is not set
# CONFIG_SENSORS_DELL_SMM 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_GL518SM is not set
# CONFIG_SENSORS_GL520SM is not set
# CONFIG_SENSORS_G760A is not set
# CONFIG_SENSORS_G762 is not set
# CONFIG_SENSORS_HIH6130 is not set
# CONFIG_SENSORS_IBMAEM is not set
# CONFIG_SENSORS_IBMPEX is not set
# CONFIG_SENSORS_I5500 is not set
# CONFIG_SENSORS_CORETEMP is not set
# CONFIG_SENSORS_IT87 is not set
# CONFIG_SENSORS_JC42 is not set
# CONFIG_SENSORS_POWR1220 is not set
# CONFIG_SENSORS_LINEAGE is not set
# CONFIG_SENSORS_LTC2945 is not set
# CONFIG_SENSORS_LTC2947_I2C is not set
# CONFIG_SENSORS_LTC2990 is not set
# CONFIG_SENSORS_LTC4151 is not set
# CONFIG_SENSORS_LTC4215 is not set
# CONFIG_SENSORS_LTC4222 is not set
# CONFIG_SENSORS_LTC4245 is not set
# CONFIG_SENSORS_LTC4260 is not set
# CONFIG_SENSORS_LTC4261 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_MAX31730 is not set
# CONFIG_SENSORS_MAX6621 is not set
# CONFIG_SENSORS_MAX6639 is not set
# CONFIG_SENSORS_MAX6642 is not set
# CONFIG_SENSORS_MAX6650 is not set
# CONFIG_SENSORS_MAX6697 is not set
# CONFIG_SENSORS_MAX31790 is not set
# CONFIG_SENSORS_MCP3021 is not set
# CONFIG_SENSORS_TC654 is not set
# CONFIG_SENSORS_MR75203 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_LM95234 is not set
# CONFIG_SENSORS_LM95241 is not set
# CONFIG_SENSORS_LM95245 is not set
# CONFIG_SENSORS_PC87360 is not set
# CONFIG_SENSORS_PC87427 is not set
# CONFIG_SENSORS_NTC_THERMISTOR is not set
# CONFIG_SENSORS_NCT6683 is not set
# CONFIG_SENSORS_NCT6775 is not set
# CONFIG_SENSORS_NCT7802 is not set
# CONFIG_SENSORS_NPCM7XX is not set
# CONFIG_SENSORS_PCF8591 is not set
# CONFIG_PMBUS is not set
# CONFIG_SENSORS_SHT21 is not set
# CONFIG_SENSORS_SHT3x is not set
# CONFIG_SENSORS_SHTC1 is not set
# CONFIG_SENSORS_SIS5595 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_STTS751 is not set
# CONFIG_SENSORS_SMM665 is not set
# CONFIG_SENSORS_ADC128D818 is not set
# CONFIG_SENSORS_ADS7828 is not set
# CONFIG_SENSORS_AMC6821 is not set
# CONFIG_SENSORS_INA209 is not set
# CONFIG_SENSORS_INA2XX is not set
# CONFIG_SENSORS_INA3221 is not set
# CONFIG_SENSORS_TC74 is not set
# CONFIG_SENSORS_THMC50 is not set
# CONFIG_SENSORS_TMP102 is not set
# CONFIG_SENSORS_TMP103 is not set
# CONFIG_SENSORS_TMP108 is not set
# CONFIG_SENSORS_TMP401 is not set
# CONFIG_SENSORS_TMP421 is not set
# CONFIG_SENSORS_TMP513 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_W83773G 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_XGENE is not set

#
# ACPI drivers
#
# CONFIG_SENSORS_ACPI_POWER is not set
# CONFIG_SENSORS_ATK0110 is not set
CONFIG_THERMAL=y
# CONFIG_THERMAL_NETLINK is not set
# CONFIG_THERMAL_STATISTICS is not set
CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS=0
CONFIG_THERMAL_HWMON=y
CONFIG_THERMAL_WRITABLE_TRIPS=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_THERMAL_GOV_FAIR_SHARE is not set
CONFIG_THERMAL_GOV_STEP_WISE=y
# CONFIG_THERMAL_GOV_BANG_BANG is not set
CONFIG_THERMAL_GOV_USER_SPACE=y
# CONFIG_DEVFREQ_THERMAL is not set
# CONFIG_THERMAL_EMULATION is not set

#
# Intel thermal drivers
#
CONFIG_INTEL_POWERCLAMP=m
CONFIG_X86_PKG_TEMP_THERMAL=m
# CONFIG_INTEL_SOC_DTS_THERMAL is not set

#
# ACPI INT340X thermal drivers
#
# CONFIG_INT340X_THERMAL is not set
# end of ACPI INT340X thermal drivers

CONFIG_INTEL_PCH_THERMAL=m
# end of Intel thermal drivers

# CONFIG_WATCHDOG is not set
CONFIG_SSB_POSSIBLE=y
CONFIG_SSB=y
CONFIG_SSB_SPROM=y
CONFIG_SSB_PCIHOST_POSSIBLE=y
CONFIG_SSB_PCIHOST=y
CONFIG_SSB_DRIVER_PCICORE_POSSIBLE=y
CONFIG_SSB_DRIVER_PCICORE=y
CONFIG_BCMA_POSSIBLE=y
# CONFIG_BCMA is not set

#
# Multifunction device drivers
#
# CONFIG_MFD_AS3711 is not set
# CONFIG_PMIC_ADP5520 is not set
# CONFIG_MFD_BCM590XX is not set
# CONFIG_MFD_BD9571MWV is not set
# CONFIG_MFD_AXP20X_I2C is not set
# CONFIG_MFD_MADERA is not set
# CONFIG_PMIC_DA903X is not set
# CONFIG_MFD_DA9052_I2C is not set
# CONFIG_MFD_DA9055 is not set
# CONFIG_MFD_DA9062 is not set
# CONFIG_MFD_DA9063 is not set
# CONFIG_MFD_DA9150 is not set
# CONFIG_MFD_DLN2 is not set
# CONFIG_MFD_MC13XXX_I2C is not set
# CONFIG_MFD_MP2629 is not set
# CONFIG_HTC_PASIC3 is not set
# CONFIG_MFD_INTEL_QUARK_I2C_GPIO is not set
# CONFIG_LPC_ICH is not set
# CONFIG_LPC_SCH is not set
# CONFIG_MFD_INTEL_LPSS_ACPI is not set
# CONFIG_MFD_INTEL_LPSS_PCI is not set
# CONFIG_MFD_IQS62X is not set
# CONFIG_MFD_JANZ_CMODIO is not set
# CONFIG_MFD_KEMPLD is not set
# CONFIG_MFD_88PM800 is not set
# CONFIG_MFD_88PM805 is not set
# CONFIG_MFD_88PM860X is not set
# CONFIG_MFD_MAX14577 is not set
# CONFIG_MFD_MAX77693 is not set
# CONFIG_MFD_MAX77843 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_MT6360 is not set
# CONFIG_MFD_MT6397 is not set
# CONFIG_MFD_MENF21BMC is not set
# CONFIG_MFD_VIPERBOARD is not set
# CONFIG_MFD_RETU is not set
# CONFIG_MFD_PCF50633 is not set
# CONFIG_MFD_RDC321X is not set
# CONFIG_MFD_RT5033 is not set
# CONFIG_MFD_RC5T583 is not set
# CONFIG_MFD_SEC_CORE is not set
# CONFIG_MFD_SI476X_CORE is not set
# CONFIG_MFD_SL28CPLD is not set
# CONFIG_MFD_SM501 is not set
# CONFIG_MFD_SKY81452 is not set
# CONFIG_ABX500_CORE is not set
CONFIG_MFD_SYSCON=y
# CONFIG_MFD_TI_AM335X_TSCADC is not set
# CONFIG_MFD_LP3943 is not set
# CONFIG_MFD_LP8788 is not set
# CONFIG_MFD_TI_LMU is not set
# CONFIG_MFD_PALMAS is not set
# CONFIG_TPS6105X is not set
# CONFIG_TPS6507X is not set
# CONFIG_MFD_TPS65086 is not set
# CONFIG_MFD_TPS65090 is not set
# CONFIG_MFD_TI_LP873X is not set
# CONFIG_MFD_TPS6586X is not set
# CONFIG_MFD_TPS65912_I2C is not set
# CONFIG_MFD_TPS80031 is not set
# CONFIG_TWL4030_CORE is not set
# CONFIG_TWL6040_CORE is not set
# CONFIG_MFD_WL1273_CORE is not set
# CONFIG_MFD_LM3533 is not set
# CONFIG_MFD_TQMX86 is not set
# CONFIG_MFD_VX855 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
# end of Multifunction device drivers

# CONFIG_REGULATOR is not set
# CONFIG_RC_CORE is not set
# CONFIG_MEDIA_CEC_SUPPORT is not set
# CONFIG_MEDIA_SUPPORT is not set

#
# Graphics support
#
# CONFIG_AGP is not set
CONFIG_VGA_ARB=y
CONFIG_VGA_ARB_MAX_GPUS=16
# CONFIG_VGA_SWITCHEROO is not set
# CONFIG_DRM is not set

#
# ARM devices
#
# end of ARM devices

CONFIG_DRM_PANEL_ORIENTATION_QUIRKS=y

#
# Frame buffer Devices
#
CONFIG_FB_CMDLINE=y
CONFIG_FB_NOTIFY=y
CONFIG_FB=y
# CONFIG_FIRMWARE_EDID is not set
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
# CONFIG_FB_FOREIGN_ENDIAN is not set
# CONFIG_FB_MODE_HELPERS is not set
# CONFIG_FB_TILEBLITTING is not set

#
# Frame buffer hardware drivers
#
# CONFIG_FB_CIRRUS is not set
# 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_OPENCORES 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_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_SMSCUFX is not set
# CONFIG_FB_UDL is not set
# CONFIG_FB_IBM_GXT4500 is not set
# CONFIG_FB_VIRTUAL is not set
# CONFIG_FB_METRONOME is not set
# CONFIG_FB_MB862XX is not set
# CONFIG_FB_SIMPLE is not set
# CONFIG_FB_SM712 is not set
# end of Frame buffer Devices

#
# Backlight & LCD device support
#
CONFIG_LCD_CLASS_DEVICE=y
# CONFIG_LCD_PLATFORM is not set
CONFIG_BACKLIGHT_CLASS_DEVICE=y
# CONFIG_BACKLIGHT_APPLE is not set
# CONFIG_BACKLIGHT_QCOM_WLED is not set
# CONFIG_BACKLIGHT_SAHARA is not set
# CONFIG_BACKLIGHT_ADP8860 is not set
# CONFIG_BACKLIGHT_ADP8870 is not set
# CONFIG_BACKLIGHT_LM3639 is not set
# CONFIG_BACKLIGHT_LV5207LP is not set
# CONFIG_BACKLIGHT_BD6107 is not set
# CONFIG_BACKLIGHT_ARCXCNN is not set
# end of Backlight & LCD device support

#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
CONFIG_DUMMY_CONSOLE=y
CONFIG_DUMMY_CONSOLE_COLUMNS=80
CONFIG_DUMMY_CONSOLE_ROWS=25
CONFIG_FRAMEBUFFER_CONSOLE=y
# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
# CONFIG_FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER is not set
# end of Console display driver support

# CONFIG_LOGO is not set
# end of Graphics support

CONFIG_SOUND=y
CONFIG_SND=y
CONFIG_SND_PCM=y
CONFIG_SND_HWDEP=y
CONFIG_SND_RAWMIDI=y
CONFIG_SND_JACK=y
CONFIG_SND_JACK_INPUT_DEV=y
# CONFIG_SND_OSSEMUL is not set
# CONFIG_SND_PCM_TIMER is not set
# CONFIG_SND_HRTIMER is not set
CONFIG_SND_DYNAMIC_MINORS=y
CONFIG_SND_MAX_CARDS=32
CONFIG_SND_SUPPORT_OLD_API=y
# CONFIG_SND_PROC_FS is not set
CONFIG_SND_VERBOSE_PRINTK=y
CONFIG_SND_DEBUG=y
CONFIG_SND_DEBUG_VERBOSE=y
# CONFIG_SND_CTL_VALIDATION is not set
CONFIG_SND_VMASTER=y
CONFIG_SND_DMA_SGBUF=y
# CONFIG_SND_SEQUENCER is not set
CONFIG_SND_MPU401_UART=y
CONFIG_SND_AC97_CODEC=y
CONFIG_SND_DRIVERS=y
# CONFIG_SND_PCSP is not set
# CONFIG_SND_DUMMY is not set
# CONFIG_SND_ALOOP is not set
# CONFIG_SND_MTPAV is not set
# CONFIG_SND_SERIAL_U16550 is not set
# CONFIG_SND_MPU401 is not set
# CONFIG_SND_AC97_POWER_SAVE is not set
CONFIG_SND_PCI=y
# CONFIG_SND_AD1889 is not set
# CONFIG_SND_ALS300 is not set
# CONFIG_SND_ALS4000 is not set
# CONFIG_SND_ALI5451 is not set
# CONFIG_SND_ASIHPI is not set
# CONFIG_SND_ATIIXP is not set
# CONFIG_SND_ATIIXP_MODEM is not set
# CONFIG_SND_AU8810 is not set
# CONFIG_SND_AU8820 is not set
# CONFIG_SND_AU8830 is not set
# CONFIG_SND_AW2 is not set
# CONFIG_SND_AZT3328 is not set
# CONFIG_SND_BT87X is not set
# CONFIG_SND_CA0106 is not set
# CONFIG_SND_CMIPCI is not set
# CONFIG_SND_OXYGEN is not set
# CONFIG_SND_CS4281 is not set
# CONFIG_SND_CS46XX is not set
# CONFIG_SND_CTXFI is not set
# CONFIG_SND_DARLA20 is not set
# CONFIG_SND_GINA20 is not set
# CONFIG_SND_LAYLA20 is not set
# CONFIG_SND_DARLA24 is not set
# CONFIG_SND_GINA24 is not set
# CONFIG_SND_LAYLA24 is not set
# CONFIG_SND_MONA is not set
# CONFIG_SND_MIA is not set
# CONFIG_SND_ECHO3G is not set
# CONFIG_SND_INDIGO is not set
# CONFIG_SND_INDIGOIO is not set
# CONFIG_SND_INDIGODJ is not set
# CONFIG_SND_INDIGOIOX is not set
# CONFIG_SND_INDIGODJX is not set
# CONFIG_SND_EMU10K1 is not set
# CONFIG_SND_EMU10K1X is not set
# CONFIG_SND_ENS1370 is not set
# CONFIG_SND_ENS1371 is not set
# CONFIG_SND_ES1938 is not set
# CONFIG_SND_ES1968 is not set
# CONFIG_SND_FM801 is not set
# CONFIG_SND_HDSP is not set
# CONFIG_SND_HDSPM is not set
# CONFIG_SND_ICE1712 is not set
# CONFIG_SND_ICE1724 is not set
CONFIG_SND_INTEL8X0=y
CONFIG_SND_INTEL8X0M=y
# CONFIG_SND_KORG1212 is not set
# CONFIG_SND_LOLA is not set
# CONFIG_SND_LX6464ES is not set
# CONFIG_SND_MAESTRO3 is not set
# CONFIG_SND_MIXART is not set
# CONFIG_SND_NM256 is not set
# CONFIG_SND_PCXHR is not set
# CONFIG_SND_RIPTIDE is not set
# CONFIG_SND_RME32 is not set
# CONFIG_SND_RME96 is not set
# CONFIG_SND_RME9652 is not set
# CONFIG_SND_SE6X is not set
# CONFIG_SND_SONICVIBES is not set
# CONFIG_SND_TRIDENT is not set
CONFIG_SND_VIA82XX=y
# CONFIG_SND_VIA82XX_MODEM is not set
# CONFIG_SND_VIRTUOSO is not set
# CONFIG_SND_VX222 is not set
# CONFIG_SND_YMFPCI is not set

#
# HD-Audio
#
CONFIG_SND_HDA=y
CONFIG_SND_HDA_GENERIC_LEDS=y
CONFIG_SND_HDA_INTEL=y
CONFIG_SND_HDA_HWDEP=y
CONFIG_SND_HDA_RECONFIG=y
CONFIG_SND_HDA_INPUT_BEEP=y
CONFIG_SND_HDA_INPUT_BEEP_MODE=1
CONFIG_SND_HDA_PATCH_LOADER=y
CONFIG_SND_HDA_CODEC_REALTEK=y
CONFIG_SND_HDA_CODEC_ANALOG=y
CONFIG_SND_HDA_CODEC_SIGMATEL=y
CONFIG_SND_HDA_CODEC_VIA=y
CONFIG_SND_HDA_CODEC_HDMI=y
CONFIG_SND_HDA_CODEC_CIRRUS=y
CONFIG_SND_HDA_CODEC_CONEXANT=y
CONFIG_SND_HDA_CODEC_CA0110=y
CONFIG_SND_HDA_CODEC_CA0132=y
# CONFIG_SND_HDA_CODEC_CA0132_DSP is not set
CONFIG_SND_HDA_CODEC_CMEDIA=y
CONFIG_SND_HDA_CODEC_SI3054=y
CONFIG_SND_HDA_GENERIC=y
CONFIG_SND_HDA_POWER_SAVE_DEFAULT=0
# CONFIG_SND_HDA_INTEL_HDMI_SILENT_STREAM is not set
# end of HD-Audio

CONFIG_SND_HDA_CORE=y
CONFIG_SND_HDA_PREALLOC_SIZE=64
CONFIG_SND_INTEL_NHLT=y
CONFIG_SND_INTEL_DSP_CONFIG=y
CONFIG_SND_USB=y
# CONFIG_SND_USB_AUDIO is not set
# CONFIG_SND_USB_UA101 is not set
# CONFIG_SND_USB_USX2Y is not set
# CONFIG_SND_USB_CAIAQ is not set
# CONFIG_SND_USB_US122L is not set
# CONFIG_SND_USB_6FIRE is not set
# CONFIG_SND_USB_HIFACE is not set
# CONFIG_SND_BCD2000 is not set
# CONFIG_SND_USB_POD is not set
# CONFIG_SND_USB_PODHD is not set
# CONFIG_SND_USB_TONEPORT is not set
# CONFIG_SND_USB_VARIAX is not set
# CONFIG_SND_SOC is not set
CONFIG_SND_X86=y
CONFIG_AC97_BUS=y

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

#
# Special HID drivers
#
# CONFIG_HID_A4TECH is not set
# CONFIG_HID_ACCUTOUCH is not set
# CONFIG_HID_ACRUX is not set
# CONFIG_HID_APPLE is not set
# CONFIG_HID_APPLEIR is not set
# CONFIG_HID_ASUS is not set
# CONFIG_HID_AUREAL is not set
# CONFIG_HID_BELKIN is not set
# CONFIG_HID_BETOP_FF is not set
# CONFIG_HID_BIGBEN_FF is not set
# CONFIG_HID_CHERRY is not set
# CONFIG_HID_CHICONY is not set
# CONFIG_HID_CORSAIR is not set
# CONFIG_HID_COUGAR is not set
# CONFIG_HID_MACALLY is not set
# CONFIG_HID_PRODIKEYS is not set
# CONFIG_HID_CMEDIA is not set
# CONFIG_HID_CREATIVE_SB0540 is not set
# CONFIG_HID_CYPRESS is not set
# CONFIG_HID_DRAGONRISE is not set
# CONFIG_HID_EMS_FF is not set
# CONFIG_HID_ELAN is not set
# CONFIG_HID_ELECOM is not set
# CONFIG_HID_ELO is not set
# CONFIG_HID_EZKEY is not set
# CONFIG_HID_GEMBIRD is not set
# CONFIG_HID_GFRM is not set
# CONFIG_HID_GLORIOUS is not set
# CONFIG_HID_HOLTEK is not set
# CONFIG_HID_VIVALDI is not set
# CONFIG_HID_GT683R 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_VIEWSONIC is not set
# CONFIG_HID_GYRATION is not set
# CONFIG_HID_ICADE is not set
# CONFIG_HID_ITE is not set
# CONFIG_HID_JABRA is not set
# CONFIG_HID_TWINHAN is not set
# CONFIG_HID_KENSINGTON is not set
# CONFIG_HID_LCPOWER is not set
# CONFIG_HID_LED is not set
# CONFIG_HID_LENOVO is not set
# CONFIG_HID_LOGITECH is not set
# CONFIG_HID_MAGICMOUSE is not set
# CONFIG_HID_MALTRON is not set
# CONFIG_HID_MAYFLASH is not set
# CONFIG_HID_REDRAGON is not set
# CONFIG_HID_MICROSOFT is not set
# CONFIG_HID_MONTEREY is not set
# CONFIG_HID_MULTITOUCH is not set
# CONFIG_HID_NTI is not set
# CONFIG_HID_NTRIG is not set
# CONFIG_HID_ORTEK is not set
# CONFIG_HID_PANTHERLORD is not set
# CONFIG_HID_PENMOUNT is not set
# CONFIG_HID_PETALYNX is not set
# CONFIG_HID_PICOLCD is not set
# CONFIG_HID_PLANTRONICS is not set
# CONFIG_HID_PRIMAX is not set
# CONFIG_HID_RETRODE is not set
# CONFIG_HID_ROCCAT is not set
# CONFIG_HID_SAITEK is not set
# CONFIG_HID_SAMSUNG is not set
# CONFIG_HID_SONY is not set
# CONFIG_HID_SPEEDLINK is not set
# CONFIG_HID_STEAM is not set
# CONFIG_HID_STEELSERIES is not set
# CONFIG_HID_SUNPLUS is not set
# CONFIG_HID_RMI is not set
# CONFIG_HID_GREENASIA is not set
# CONFIG_HID_SMARTJOYPLUS is not set
# CONFIG_HID_TIVO is not set
# CONFIG_HID_TOPSEED is not set
# CONFIG_HID_THINGM is not set
# CONFIG_HID_THRUSTMASTER is not set
# CONFIG_HID_UDRAW_PS3 is not set
# CONFIG_HID_U2FZERO is not set
# CONFIG_HID_WACOM is not set
# CONFIG_HID_WIIMOTE is not set
# CONFIG_HID_XINMO is not set
# CONFIG_HID_ZEROPLUS is not set
# CONFIG_HID_ZYDACRON is not set
# CONFIG_HID_SENSOR_HUB is not set
# CONFIG_HID_ALPS is not set
# end of Special HID drivers

#
# USB HID support
#
CONFIG_USB_HID=y
# CONFIG_HID_PID is not set
CONFIG_USB_HIDDEV=y
# end of USB HID support

#
# I2C HID support
#
# CONFIG_I2C_HID is not set
# end of I2C HID support

#
# Intel ISH HID support
#
# CONFIG_INTEL_ISH_HID is not set
# end of Intel ISH HID support
# end of HID support

CONFIG_USB_OHCI_LITTLE_ENDIAN=y
CONFIG_USB_SUPPORT=y
CONFIG_USB_COMMON=y
# CONFIG_USB_LED_TRIG is not set
# CONFIG_USB_ULPI_BUS is not set
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB=y
CONFIG_USB_PCI=y
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y

#
# Miscellaneous USB options
#
CONFIG_USB_DEFAULT_PERSIST=y
# CONFIG_USB_FEW_INIT_RETRIES is not set
CONFIG_USB_DYNAMIC_MINORS=y
# CONFIG_USB_OTG is not set
# CONFIG_USB_OTG_PRODUCTLIST is not set
# CONFIG_USB_OTG_DISABLE_EXTERNAL_HUB is not set
# CONFIG_USB_LEDS_TRIGGER_USBPORT is not set
CONFIG_USB_AUTOSUSPEND_DELAY=2
# CONFIG_USB_MON is not set

#
# USB Host Controller Drivers
#
# CONFIG_USB_C67X00_HCD is not set
CONFIG_USB_XHCI_HCD=y
# CONFIG_USB_XHCI_DBGCAP is not set
CONFIG_USB_XHCI_PCI=y
# CONFIG_USB_XHCI_PCI_RENESAS is not set
# CONFIG_USB_XHCI_PLATFORM is not set
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_ROOT_HUB_TT=y
# CONFIG_USB_EHCI_TT_NEWSCHED is not set
CONFIG_USB_EHCI_PCI=y
# CONFIG_USB_EHCI_FSL is not set
# CONFIG_USB_EHCI_HCD_PLATFORM is not set
# CONFIG_USB_OXU210HP_HCD is not set
# CONFIG_USB_ISP116X_HCD is not set
# CONFIG_USB_FOTG210_HCD is not set
# CONFIG_USB_OHCI_HCD is not set
CONFIG_USB_UHCI_HCD=y
# CONFIG_USB_SL811_HCD is not set
# CONFIG_USB_R8A66597_HCD is not set
# CONFIG_USB_HCD_SSB is not set
# CONFIG_USB_HCD_TEST_MODE is not set

#
# USB Device Class drivers
#
CONFIG_USB_ACM=y
# CONFIG_USB_PRINTER is not set
CONFIG_USB_WDM=y
# 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=y
# CONFIG_USB_STORAGE_DEBUG is not set
CONFIG_USB_STORAGE_REALTEK=y
CONFIG_REALTEK_AUTOPM=y
CONFIG_USB_STORAGE_DATAFAB=y
CONFIG_USB_STORAGE_FREECOM=y
CONFIG_USB_STORAGE_ISD200=y
CONFIG_USB_STORAGE_USBAT=y
CONFIG_USB_STORAGE_SDDR09=y
CONFIG_USB_STORAGE_SDDR55=y
CONFIG_USB_STORAGE_JUMPSHOT=y
CONFIG_USB_STORAGE_ALAUDA=y
CONFIG_USB_STORAGE_ONETOUCH=y
CONFIG_USB_STORAGE_KARMA=y
CONFIG_USB_STORAGE_CYPRESS_ATACB=y
CONFIG_USB_STORAGE_ENE_UB6250=y
# CONFIG_USB_UAS is not set

#
# USB Imaging devices
#
# CONFIG_USB_MDC800 is not set
# CONFIG_USB_MICROTEK is not set
# CONFIG_USBIP_CORE is not set
# CONFIG_USB_CDNS3 is not set
# CONFIG_USB_MUSB_HDRC is not set
# CONFIG_USB_DWC3 is not set
# CONFIG_USB_DWC2 is not set
# CONFIG_USB_CHIPIDEA is not set
# CONFIG_USB_ISP1760 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_LEGOTOWER is not set
# CONFIG_USB_LCD 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_APPLE_MFI_FASTCHARGE 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_EHSET_TEST_FIXTURE is not set
# CONFIG_USB_ISIGHTFW is not set
# CONFIG_USB_YUREX is not set
# CONFIG_USB_EZUSB_FX2 is not set
# CONFIG_USB_HUB_USB251XB is not set
# CONFIG_USB_HSIC_USB3503 is not set
# CONFIG_USB_HSIC_USB4604 is not set
# CONFIG_USB_LINK_LAYER_TEST is not set
# CONFIG_USB_CHAOSKEY is not set

#
# USB Physical Layer drivers
#
# CONFIG_NOP_USB_XCEIV is not set
# CONFIG_USB_ISP1301 is not set
# end of USB Physical Layer drivers

# CONFIG_USB_GADGET is not set
# CONFIG_TYPEC is not set
# CONFIG_USB_ROLE_SWITCH is not set
# CONFIG_MMC is not set
# CONFIG_MEMSTICK is not set
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
# CONFIG_LEDS_CLASS_FLASH is not set
# CONFIG_LEDS_CLASS_MULTICOLOR is not set
# CONFIG_LEDS_BRIGHTNESS_HW_CHANGED is not set

#
# LED drivers
#
# CONFIG_LEDS_APU is not set
# CONFIG_LEDS_LM3530 is not set
# CONFIG_LEDS_LM3532 is not set
# CONFIG_LEDS_LM3642 is not set
# CONFIG_LEDS_PCA9532 is not set
# CONFIG_LEDS_LP3944 is not set
# CONFIG_LEDS_CLEVO_MAIL is not set
# CONFIG_LEDS_PCA955X is not set
# CONFIG_LEDS_PCA963X is not set
# CONFIG_LEDS_BD2802 is not set
# CONFIG_LEDS_INTEL_SS4200 is not set
# CONFIG_LEDS_TCA6507 is not set
# CONFIG_LEDS_TLC591XX is not set
# CONFIG_LEDS_LM355x is not set

#
# LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)
#
# CONFIG_LEDS_BLINKM is not set
# CONFIG_LEDS_MLXCPLD is not set
# CONFIG_LEDS_MLXREG is not set
# CONFIG_LEDS_USER is not set
# CONFIG_LEDS_NIC78BX is not set
# CONFIG_LEDS_TI_LMU_COMMON is not set

#
# LED Triggers
#
CONFIG_LEDS_TRIGGERS=y
# CONFIG_LEDS_TRIGGER_TIMER is not set
# CONFIG_LEDS_TRIGGER_ONESHOT is not set
# CONFIG_LEDS_TRIGGER_DISK is not set
# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set
# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set
# CONFIG_LEDS_TRIGGER_CPU is not set
# CONFIG_LEDS_TRIGGER_ACTIVITY is not set
# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set

#
# iptables trigger is under Netfilter config (LED target)
#
# CONFIG_LEDS_TRIGGER_TRANSIENT is not set
# CONFIG_LEDS_TRIGGER_CAMERA is not set
# CONFIG_LEDS_TRIGGER_PANIC is not set
# CONFIG_LEDS_TRIGGER_NETDEV is not set
# CONFIG_LEDS_TRIGGER_PATTERN is not set
CONFIG_LEDS_TRIGGER_AUDIO=y
# CONFIG_ACCESSIBILITY is not set
# CONFIG_INFINIBAND is not set
CONFIG_EDAC_ATOMIC_SCRUB=y
CONFIG_EDAC_SUPPORT=y
# CONFIG_EDAC is not set
CONFIG_RTC_LIB=y
CONFIG_RTC_MC146818_LIB=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_HCTOSYS=y
CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
CONFIG_RTC_SYSTOHC=y
CONFIG_RTC_SYSTOHC_DEVICE="n"
# CONFIG_RTC_DEBUG is not set
CONFIG_RTC_NVMEM=y

#
# 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_ABB5ZES3 is not set
# CONFIG_RTC_DRV_ABEOZ9 is not set
# CONFIG_RTC_DRV_ABX80X is not set
# CONFIG_RTC_DRV_DS1307 is not set
# CONFIG_RTC_DRV_DS1374 is not set
# CONFIG_RTC_DRV_DS1672 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_PCF85063 is not set
# CONFIG_RTC_DRV_PCF85363 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_RX8010 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_RV3028 is not set
# CONFIG_RTC_DRV_RV3032 is not set
# CONFIG_RTC_DRV_RV8803 is not set
# CONFIG_RTC_DRV_SD3078 is not set

#
# SPI RTC drivers
#
CONFIG_RTC_I2C_AND_SPI=y

#
# SPI and I2C RTC drivers
#
# CONFIG_RTC_DRV_DS3232 is not set
# CONFIG_RTC_DRV_PCF2127 is not set
# CONFIG_RTC_DRV_RV3029C2 is not set

#
# 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_DS1685_FAMILY is not set
# CONFIG_RTC_DRV_DS1742 is not set
# CONFIG_RTC_DRV_DS2404 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

#
# on-CPU RTC drivers
#
# CONFIG_RTC_DRV_FTRTC010 is not set

#
# HID Sensor RTC drivers
#
# CONFIG_DMADEVICES is not set

#
# DMABUF options
#
CONFIG_SYNC_FILE=y
CONFIG_SW_SYNC=y
# CONFIG_UDMABUF is not set
# CONFIG_DMABUF_MOVE_NOTIFY is not set
# CONFIG_DMABUF_SELFTESTS is not set
# CONFIG_DMABUF_HEAPS is not set
# end of DMABUF options

# CONFIG_AUXDISPLAY is not set
CONFIG_UIO=y
# CONFIG_UIO_CIF is not set
# CONFIG_UIO_PDRV_GENIRQ is not set
# CONFIG_UIO_DMEM_GENIRQ is not set
# CONFIG_UIO_AEC is not set
# CONFIG_UIO_SERCOS3 is not set
# CONFIG_UIO_PCI_GENERIC is not set
# CONFIG_UIO_NETX is not set
# CONFIG_UIO_PRUSS is not set
# CONFIG_UIO_MF624 is not set
# CONFIG_VFIO is not set
CONFIG_IRQ_BYPASS_MANAGER=m
# CONFIG_VIRT_DRIVERS is not set
CONFIG_VIRTIO_MENU=y
# CONFIG_VIRTIO_PCI is not set
# CONFIG_VIRTIO_MMIO is not set
# CONFIG_VDPA is not set
CONFIG_VHOST_IOTLB=m
CONFIG_VHOST=m
CONFIG_VHOST_MENU=y
CONFIG_VHOST_NET=m
# CONFIG_VHOST_CROSS_ENDIAN_LEGACY is not set

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

# CONFIG_GREYBUS is not set
# CONFIG_STAGING is not set
# CONFIG_X86_PLATFORM_DEVICES is not set
CONFIG_PMC_ATOM=y
# CONFIG_CHROME_PLATFORMS is not set
# CONFIG_MELLANOX_PLATFORM is not set
CONFIG_HAVE_CLK=y
CONFIG_CLKDEV_LOOKUP=y
CONFIG_HAVE_CLK_PREPARE=y
CONFIG_COMMON_CLK=y
# CONFIG_COMMON_CLK_MAX9485 is not set
# CONFIG_COMMON_CLK_SI5341 is not set
# CONFIG_COMMON_CLK_SI5351 is not set
# CONFIG_COMMON_CLK_SI544 is not set
# CONFIG_COMMON_CLK_CDCE706 is not set
# CONFIG_COMMON_CLK_CS2000_CP is not set
# CONFIG_HWSPINLOCK is not set

#
# Clock Source drivers
#
CONFIG_CLKEVT_I8253=y
CONFIG_I8253_LOCK=y
CONFIG_CLKBLD_I8253=y
# end of Clock Source drivers

CONFIG_MAILBOX=y
CONFIG_PCC=y
# CONFIG_ALTERA_MBOX is not set
CONFIG_IOMMU_IOVA=y
CONFIG_IOASID=y
CONFIG_IOMMU_API=y
CONFIG_IOMMU_SUPPORT=y

#
# Generic IOMMU Pagetable Support
#
# end of Generic IOMMU Pagetable Support

# CONFIG_IOMMU_DEBUGFS is not set
# CONFIG_IOMMU_DEFAULT_PASSTHROUGH is not set
# CONFIG_AMD_IOMMU is not set
CONFIG_DMAR_TABLE=y
CONFIG_INTEL_IOMMU=y
# CONFIG_INTEL_IOMMU_SVM is not set
CONFIG_INTEL_IOMMU_DEFAULT_ON=y
CONFIG_INTEL_IOMMU_FLOPPY_WA=y
# CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON is not set
CONFIG_IRQ_REMAP=y

#
# Remoteproc drivers
#
# CONFIG_REMOTEPROC is not set
# end of Remoteproc drivers

#
# Rpmsg drivers
#
# CONFIG_RPMSG_QCOM_GLINK_RPM is not set
# CONFIG_RPMSG_VIRTIO is not set
# end of Rpmsg drivers

# CONFIG_SOUNDWIRE is not set

#
# SOC (System On Chip) specific Drivers
#

#
# Amlogic SoC drivers
#
# end of Amlogic SoC drivers

#
# Aspeed SoC drivers
#
# end of Aspeed SoC drivers

#
# Broadcom SoC drivers
#
# end of Broadcom SoC drivers

#
# NXP/Freescale QorIQ SoC drivers
#
# end of NXP/Freescale QorIQ SoC drivers

#
# i.MX SoC drivers
#
# end of i.MX SoC drivers

#
# Qualcomm SoC drivers
#
# end of Qualcomm SoC drivers

# CONFIG_SOC_TI is not set

#
# Xilinx SoC drivers
#
# CONFIG_XILINX_VCU is not set
# end of Xilinx SoC drivers
# end of SOC (System On Chip) specific Drivers

CONFIG_PM_DEVFREQ=y

#
# DEVFREQ Governors
#
CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND=m
# CONFIG_DEVFREQ_GOV_PERFORMANCE is not set
# CONFIG_DEVFREQ_GOV_POWERSAVE is not set
# CONFIG_DEVFREQ_GOV_USERSPACE is not set
# CONFIG_DEVFREQ_GOV_PASSIVE is not set

#
# DEVFREQ Drivers
#
# CONFIG_PM_DEVFREQ_EVENT is not set
# CONFIG_EXTCON is not set
# CONFIG_MEMORY is not set
# CONFIG_IIO is not set
# CONFIG_NTB is not set
# CONFIG_VME_BUS is not set
# CONFIG_PWM is not set

#
# IRQ chip support
#
# end of IRQ chip support

# CONFIG_IPACK_BUS is not set
CONFIG_RESET_CONTROLLER=y
# CONFIG_RESET_BRCMSTB_RESCAL is not set
# CONFIG_RESET_TI_SYSCON is not set

#
# PHY Subsystem
#
CONFIG_GENERIC_PHY=y
# CONFIG_USB_LGM_PHY is not set
# CONFIG_BCM_KONA_USB2_PHY is not set
# CONFIG_PHY_PXA_28NM_HSIC is not set
# CONFIG_PHY_PXA_28NM_USB2 is not set
# CONFIG_PHY_INTEL_LGM_EMMC is not set
# end of PHY Subsystem

# CONFIG_POWERCAP is not set
# CONFIG_MCB is not set

#
# Performance monitor support
#
# end of Performance monitor support

CONFIG_RAS=y
# CONFIG_RAS_CEC is not set
# CONFIG_USB4 is not set

#
# Android
#
# CONFIG_ANDROID is not set
# end of Android

CONFIG_LIBNVDIMM=m
CONFIG_BLK_DEV_PMEM=m
CONFIG_ND_BLK=m
CONFIG_ND_CLAIM=y
CONFIG_ND_BTT=m
CONFIG_BTT=y
CONFIG_ND_PFN=m
CONFIG_NVDIMM_PFN=y
CONFIG_NVDIMM_DAX=y
CONFIG_DAX_DRIVER=y
CONFIG_DAX=y
CONFIG_DEV_DAX=m
CONFIG_DEV_DAX_PMEM=m
CONFIG_DEV_DAX_KMEM=m
CONFIG_DEV_DAX_PMEM_COMPAT=m
CONFIG_NVMEM=y
CONFIG_NVMEM_SYSFS=y

#
# HW tracing support
#
# CONFIG_STM is not set
# CONFIG_INTEL_TH is not set
# end of HW tracing support

# CONFIG_FPGA is not set
# CONFIG_TEE is not set
CONFIG_PM_OPP=y
# CONFIG_UNISYS_VISORBUS is not set
# CONFIG_SIOX is not set
# CONFIG_SLIMBUS is not set
# CONFIG_INTERCONNECT is not set
# CONFIG_COUNTER is not set
# CONFIG_MOST is not set
# end of Device Drivers

#
# File systems
#
CONFIG_DCACHE_WORD_ACCESS=y
# CONFIG_VALIDATE_FS_PARSER is not set
CONFIG_FS_IOMAP=y
# CONFIG_EXT2_FS is not set
# CONFIG_EXT3_FS is not set
CONFIG_EXT4_FS=y
# CONFIG_EXT4_USE_FOR_EXT2 is not set
# CONFIG_EXT4_FS_POSIX_ACL is not set
# CONFIG_EXT4_FS_SECURITY is not set
# CONFIG_EXT4_DEBUG is not set
CONFIG_JBD2=y
# CONFIG_JBD2_DEBUG is not set
CONFIG_FS_MBCACHE=y
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
CONFIG_XFS_FS=m
CONFIG_XFS_SUPPORT_V4=y
# CONFIG_XFS_QUOTA is not set
# CONFIG_XFS_POSIX_ACL is not set
CONFIG_XFS_RT=y
CONFIG_XFS_ONLINE_SCRUB=y
# CONFIG_XFS_ONLINE_REPAIR is not set
CONFIG_XFS_DEBUG=y
CONFIG_XFS_ASSERT_FATAL=y
# CONFIG_GFS2_FS is not set
CONFIG_OCFS2_FS=m
CONFIG_OCFS2_FS_O2CB=m
CONFIG_OCFS2_FS_STATS=y
CONFIG_OCFS2_DEBUG_MASKLOG=y
# CONFIG_OCFS2_DEBUG_FS is not set
CONFIG_BTRFS_FS=m
CONFIG_BTRFS_FS_POSIX_ACL=y
CONFIG_BTRFS_FS_CHECK_INTEGRITY=y
# CONFIG_BTRFS_FS_RUN_SANITY_TESTS is not set
# CONFIG_BTRFS_DEBUG is not set
# CONFIG_BTRFS_ASSERT is not set
# CONFIG_BTRFS_FS_REF_VERIFY is not set
# CONFIG_NILFS2_FS is not set
# CONFIG_F2FS_FS is not set
CONFIG_FS_DAX=y
CONFIG_FS_DAX_PMD=y
CONFIG_FS_POSIX_ACL=y
CONFIG_EXPORTFS=y
# CONFIG_EXPORTFS_BLOCK_OPS is not set
CONFIG_FILE_LOCKING=y
# CONFIG_MANDATORY_FILE_LOCKING is not set
CONFIG_FS_ENCRYPTION=y
CONFIG_FS_ENCRYPTION_ALGS=y
# CONFIG_FS_VERITY is not set
CONFIG_FSNOTIFY=y
# CONFIG_DNOTIFY is not set
CONFIG_INOTIFY_USER=y
# CONFIG_FANOTIFY is not set
CONFIG_QUOTA=y
# CONFIG_QUOTA_NETLINK_INTERFACE is not set
CONFIG_PRINT_QUOTA_WARNING=y
# CONFIG_QUOTA_DEBUG is not set
CONFIG_QUOTA_TREE=m
# CONFIG_QFMT_V1 is not set
# CONFIG_QFMT_V2 is not set
CONFIG_QUOTACTL=y
# CONFIG_AUTOFS4_FS is not set
# CONFIG_AUTOFS_FS is not set
CONFIG_FUSE_FS=m
# CONFIG_CUSE is not set
# CONFIG_VIRTIO_FS is not set
# CONFIG_OVERLAY_FS is not set

#
# Caches
#
# CONFIG_FSCACHE is not set
# end of Caches

#
# CD-ROM/DVD Filesystems
#
# CONFIG_ISO9660_FS is not set
# CONFIG_UDF_FS is not set
# end of CD-ROM/DVD Filesystems

#
# DOS/FAT/EXFAT/NT Filesystems
#
CONFIG_FAT_FS=y
# CONFIG_MSDOS_FS is not set
CONFIG_VFAT_FS=y
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
# CONFIG_FAT_DEFAULT_UTF8 is not set
# CONFIG_EXFAT_FS is not set
# CONFIG_NTFS_FS is not set
# end of DOS/FAT/EXFAT/NT Filesystems

#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_PROC_SYSCTL=y
CONFIG_PROC_PAGE_MONITOR=y
CONFIG_PROC_CHILDREN=y
CONFIG_PROC_PID_ARCH_STATUS=y
CONFIG_KERNFS=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
# CONFIG_TMPFS_POSIX_ACL is not set
# CONFIG_TMPFS_XATTR is not set
# CONFIG_TMPFS_INODE64 is not set
# CONFIG_HUGETLBFS is not set
CONFIG_MEMFD_CREATE=y
CONFIG_ARCH_HAS_GIGANTIC_PAGE=y
CONFIG_CONFIGFS_FS=y
CONFIG_EFIVAR_FS=y
# end of Pseudo filesystems

CONFIG_MISC_FILESYSTEMS=y
# CONFIG_ORANGEFS_FS is not set
# 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_CRAMFS=y
CONFIG_CRAMFS_BLOCKDEV=y
# 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_DEFLATE_COMPRESS=y
# CONFIG_PSTORE_LZO_COMPRESS is not set
# CONFIG_PSTORE_LZ4_COMPRESS is not set
# CONFIG_PSTORE_LZ4HC_COMPRESS is not set
# CONFIG_PSTORE_842_COMPRESS is not set
# CONFIG_PSTORE_ZSTD_COMPRESS is not set
CONFIG_PSTORE_COMPRESS=y
CONFIG_PSTORE_DEFLATE_COMPRESS_DEFAULT=y
CONFIG_PSTORE_COMPRESS_DEFAULT="deflate"
CONFIG_PSTORE_CONSOLE=y
CONFIG_PSTORE_PMSG=y
# CONFIG_PSTORE_FTRACE is not set
CONFIG_PSTORE_RAM=m
# CONFIG_PSTORE_BLK is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
# CONFIG_EROFS_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=y
CONFIG_NFS_V4_2=y
CONFIG_PNFS_FILE_LAYOUT=y
CONFIG_PNFS_BLOCK=m
CONFIG_PNFS_FLEXFILE_LAYOUT=m
CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN="kernel.org"
# CONFIG_NFS_V4_1_MIGRATION is not set
CONFIG_ROOT_NFS=y
# CONFIG_NFS_USE_LEGACY_DNS is not set
CONFIG_NFS_USE_KERNEL_DNS=y
CONFIG_NFS_DISABLE_UDP_SUPPORT=y
CONFIG_NFSD=m
CONFIG_NFSD_V2_ACL=y
CONFIG_NFSD_V3=y
CONFIG_NFSD_V3_ACL=y
CONFIG_NFSD_V4=y
# CONFIG_NFSD_BLOCKLAYOUT is not set
# CONFIG_NFSD_SCSILAYOUT is not set
# CONFIG_NFSD_FLEXFILELAYOUT is not set
# CONFIG_NFSD_V4_2_INTER_SSC is not set
CONFIG_GRACE_PERIOD=y
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_BACKCHANNEL=y
CONFIG_RPCSEC_GSS_KRB5=y
# CONFIG_SUNRPC_DISABLE_INSECURE_ENCTYPES is not set
# CONFIG_SUNRPC_DEBUG is not set
# CONFIG_CEPH_FS is not set
CONFIG_CIFS=y
CONFIG_CIFS_STATS2=y
CONFIG_CIFS_ALLOW_INSECURE_LEGACY=y
# CONFIG_CIFS_WEAK_PW_HASH is not set
# CONFIG_CIFS_UPCALL is not set
CONFIG_CIFS_XATTR=y
CONFIG_CIFS_POSIX=y
CONFIG_CIFS_DEBUG=y
CONFIG_CIFS_DEBUG2=y
# CONFIG_CIFS_DEBUG_DUMP_KEYS is not set
# CONFIG_CIFS_DFS_UPCALL is not set
# CONFIG_CIFS_ROOT is not set
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set
# CONFIG_9P_FS is not set
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-1"
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=y
# 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 is not set
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
# CONFIG_UNICODE is not set
CONFIG_IO_WQ=y
# end of File systems

#
# Security options
#
CONFIG_KEYS=y
# CONFIG_KEYS_REQUEST_CACHE is not set
# CONFIG_PERSISTENT_KEYRINGS is not set
# CONFIG_ENCRYPTED_KEYS is not set
# CONFIG_KEY_DH_OPERATIONS is not set
# CONFIG_SECURITY_DMESG_RESTRICT is not set
# CONFIG_SECURITY is not set
# CONFIG_SECURITYFS is not set
CONFIG_PAGE_TABLE_ISOLATION=y
# CONFIG_INTEL_TXT is not set
CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR=y
# CONFIG_HARDENED_USERCOPY is not set
# CONFIG_FORTIFY_SOURCE is not set
# CONFIG_STATIC_USERMODEHELPER is not set
# CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT is not set
CONFIG_DEFAULT_SECURITY_DAC=y
CONFIG_LSM="lockdown,yama,loadpin,safesetid,integrity,bpf"

#
# Kernel hardening options
#

#
# Memory initialization
#
CONFIG_INIT_STACK_NONE=y
# CONFIG_INIT_ON_ALLOC_DEFAULT_ON is not set
# CONFIG_INIT_ON_FREE_DEFAULT_ON is not set
# end of Memory initialization
# end of Kernel hardening options
# end of Security options

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_CRYPTO=y

#
# Crypto core or helper
#
CONFIG_CRYPTO_ALGAPI=y
CONFIG_CRYPTO_ALGAPI2=y
CONFIG_CRYPTO_AEAD=y
CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_SKCIPHER=y
CONFIG_CRYPTO_SKCIPHER2=y
CONFIG_CRYPTO_HASH=y
CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_RNG=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_RNG_DEFAULT=y
CONFIG_CRYPTO_AKCIPHER2=y
CONFIG_CRYPTO_AKCIPHER=y
CONFIG_CRYPTO_KPP2=y
CONFIG_CRYPTO_ACOMP2=y
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_MANAGER2=y
# CONFIG_CRYPTO_USER is not set
CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y
CONFIG_CRYPTO_GF128MUL=y
CONFIG_CRYPTO_NULL=y
CONFIG_CRYPTO_NULL2=y
# CONFIG_CRYPTO_PCRYPT is not set
# CONFIG_CRYPTO_CRYPTD is not set
CONFIG_CRYPTO_AUTHENC=y
# CONFIG_CRYPTO_TEST is not set

#
# Public-key cryptography
#
CONFIG_CRYPTO_RSA=y
# CONFIG_CRYPTO_DH is not set
# CONFIG_CRYPTO_ECDH is not set
# CONFIG_CRYPTO_ECRDSA is not set
# CONFIG_CRYPTO_SM2 is not set
# CONFIG_CRYPTO_CURVE25519 is not set
# CONFIG_CRYPTO_CURVE25519_X86 is not set

#
# Authenticated Encryption with Associated Data
#
CONFIG_CRYPTO_CCM=y
CONFIG_CRYPTO_GCM=y
# CONFIG_CRYPTO_CHACHA20POLY1305 is not set
# CONFIG_CRYPTO_AEGIS128 is not set
# CONFIG_CRYPTO_AEGIS128_AESNI_SSE2 is not set
CONFIG_CRYPTO_SEQIV=y
# CONFIG_CRYPTO_ECHAINIV is not set

#
# Block modes
#
CONFIG_CRYPTO_CBC=y
# CONFIG_CRYPTO_CFB is not set
CONFIG_CRYPTO_CTR=y
CONFIG_CRYPTO_CTS=y
CONFIG_CRYPTO_ECB=y
# CONFIG_CRYPTO_LRW is not set
# CONFIG_CRYPTO_OFB is not set
# CONFIG_CRYPTO_PCBC is not set
CONFIG_CRYPTO_XTS=y
# CONFIG_CRYPTO_KEYWRAP is not set
# CONFIG_CRYPTO_NHPOLY1305_SSE2 is not set
# CONFIG_CRYPTO_NHPOLY1305_AVX2 is not set
# CONFIG_CRYPTO_ADIANTUM is not set
CONFIG_CRYPTO_ESSIV=m

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

#
# Digest
#
CONFIG_CRYPTO_CRC32C=y
# CONFIG_CRYPTO_CRC32C_INTEL is not set
# CONFIG_CRYPTO_CRC32 is not set
# CONFIG_CRYPTO_CRC32_PCLMUL is not set
CONFIG_CRYPTO_XXHASH=m
CONFIG_CRYPTO_BLAKE2B=m
# CONFIG_CRYPTO_BLAKE2S is not set
# CONFIG_CRYPTO_BLAKE2S_X86 is not set
CONFIG_CRYPTO_CRCT10DIF=m
# CONFIG_CRYPTO_CRCT10DIF_PCLMUL is not set
CONFIG_CRYPTO_GHASH=y
# CONFIG_CRYPTO_POLY1305 is not set
# CONFIG_CRYPTO_POLY1305_X86_64 is not set
CONFIG_CRYPTO_MD4=y
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_MICHAEL_MIC=y
# 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_SSSE3 is not set
# CONFIG_CRYPTO_SHA512_SSSE3 is not set
CONFIG_CRYPTO_SHA256=y
CONFIG_CRYPTO_SHA512=y
# CONFIG_CRYPTO_SHA3 is not set
# CONFIG_CRYPTO_SM3 is not set
# CONFIG_CRYPTO_STREEBOG 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_TI is not set
# CONFIG_CRYPTO_AES_NI_INTEL 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_CAMELLIA_AESNI_AVX2_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_DES3_EDE_X86_64 is not set
# CONFIG_CRYPTO_FCRYPT is not set
# CONFIG_CRYPTO_SALSA20 is not set
# CONFIG_CRYPTO_CHACHA20 is not set
# CONFIG_CRYPTO_CHACHA20_X86_64 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_SERPENT_AVX2_X86_64 is not set
# CONFIG_CRYPTO_SM4 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=y
# CONFIG_CRYPTO_LZO is not set
# CONFIG_CRYPTO_842 is not set
# CONFIG_CRYPTO_LZ4 is not set
# CONFIG_CRYPTO_LZ4HC is not set
# CONFIG_CRYPTO_ZSTD is not set

#
# Random Number Generation
#
# CONFIG_CRYPTO_ANSI_CPRNG is not set
CONFIG_CRYPTO_DRBG_MENU=y
CONFIG_CRYPTO_DRBG_HMAC=y
# CONFIG_CRYPTO_DRBG_HASH is not set
# CONFIG_CRYPTO_DRBG_CTR is not set
CONFIG_CRYPTO_DRBG=y
CONFIG_CRYPTO_JITTERENTROPY=y
# CONFIG_CRYPTO_USER_API_HASH is not set
# CONFIG_CRYPTO_USER_API_SKCIPHER is not set
# CONFIG_CRYPTO_USER_API_RNG is not set
# CONFIG_CRYPTO_USER_API_AEAD is not set
CONFIG_CRYPTO_HASH_INFO=y

#
# Crypto library routines
#
CONFIG_CRYPTO_LIB_AES=y
CONFIG_CRYPTO_LIB_ARC4=y
# CONFIG_CRYPTO_LIB_BLAKE2S is not set
# CONFIG_CRYPTO_LIB_CHACHA is not set
# CONFIG_CRYPTO_LIB_CURVE25519 is not set
CONFIG_CRYPTO_LIB_DES=y
CONFIG_CRYPTO_LIB_POLY1305_RSIZE=11
# CONFIG_CRYPTO_LIB_POLY1305 is not set
# CONFIG_CRYPTO_LIB_CHACHA20POLY1305 is not set
CONFIG_CRYPTO_LIB_SHA256=y
# CONFIG_CRYPTO_HW is not set
CONFIG_ASYMMETRIC_KEY_TYPE=y
CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=y
CONFIG_X509_CERTIFICATE_PARSER=y
# CONFIG_PKCS8_PRIVATE_KEY_PARSER is not set
CONFIG_PKCS7_MESSAGE_PARSER=y
# CONFIG_PKCS7_TEST_KEY is not set
# CONFIG_SIGNED_PE_FILE_VERIFICATION is not set

#
# Certificates for signature checking
#
CONFIG_SYSTEM_TRUSTED_KEYRING=y
CONFIG_SYSTEM_TRUSTED_KEYS=""
# CONFIG_SYSTEM_EXTRA_CERTIFICATE is not set
# CONFIG_SECONDARY_TRUSTED_KEYRING is not set
# CONFIG_SYSTEM_BLACKLIST_KEYRING is not set
# end of Certificates for signature checking

CONFIG_BINARY_PRINTF=y

#
# Library routines
#
CONFIG_RAID6_PQ=m
CONFIG_RAID6_PQ_BENCHMARK=y
# CONFIG_PACKING is not set
CONFIG_BITREVERSE=y
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GENERIC_NET_UTILS=y
CONFIG_GENERIC_FIND_FIRST_BIT=y
# CONFIG_CORDIC is not set
# CONFIG_PRIME_NUMBERS is not set
CONFIG_RATIONAL=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_IOMAP=y
CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y
CONFIG_ARCH_HAS_FAST_MULTIPLIER=y
CONFIG_ARCH_USE_SYM_ANNOTATIONS=y
CONFIG_CRC_CCITT=y
CONFIG_CRC16=y
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_CRC64 is not set
# CONFIG_CRC4 is not set
# CONFIG_CRC7 is not set
CONFIG_LIBCRC32C=y
# CONFIG_CRC8 is not set
CONFIG_XXHASH=y
# CONFIG_RANDOM32_SELFTEST is not set
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_LZO_COMPRESS=y
CONFIG_LZO_DECOMPRESS=y
CONFIG_ZSTD_COMPRESS=m
CONFIG_ZSTD_DECOMPRESS=y
# CONFIG_XZ_DEC is not set
CONFIG_DECOMPRESS_GZIP=y
CONFIG_DECOMPRESS_ZSTD=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_REED_SOLOMON=m
CONFIG_REED_SOLOMON_ENC8=y
CONFIG_REED_SOLOMON_DEC8=y
CONFIG_BTREE=y
CONFIG_INTERVAL_TREE=y
CONFIG_XARRAY_MULTI=y
CONFIG_ASSOCIATIVE_ARRAY=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT_MAP=y
CONFIG_HAS_DMA=y
CONFIG_DMA_OPS=y
CONFIG_NEED_SG_DMA_LENGTH=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_ARCH_DMA_ADDR_T_64BIT=y
CONFIG_SWIOTLB=y
CONFIG_DMA_CMA=y
# CONFIG_DMA_PERNUMA_CMA is not set

#
# Default contiguous memory area size:
#
CONFIG_CMA_SIZE_MBYTES=200
CONFIG_CMA_SIZE_SEL_MBYTES=y
# CONFIG_CMA_SIZE_SEL_PERCENTAGE is not set
# CONFIG_CMA_SIZE_SEL_MIN is not set
# CONFIG_CMA_SIZE_SEL_MAX is not set
CONFIG_CMA_ALIGNMENT=8
# CONFIG_DMA_API_DEBUG is not set
CONFIG_SGL_ALLOC=y
CONFIG_IOMMU_HELPER=y
CONFIG_CHECK_SIGNATURE=y
CONFIG_CPU_RMAP=y
CONFIG_DQL=y
CONFIG_GLOB=y
# CONFIG_GLOB_SELFTEST is not set
CONFIG_NLATTR=y
CONFIG_CLZ_TAB=y
CONFIG_IRQ_POLL=y
CONFIG_MPILIB=y
CONFIG_OID_REGISTRY=y
CONFIG_UCS2_STRING=y
CONFIG_HAVE_GENERIC_VDSO=y
CONFIG_GENERIC_GETTIMEOFDAY=y
CONFIG_GENERIC_VDSO_TIME_NS=y
CONFIG_FONT_SUPPORT=y
# CONFIG_FONTS is not set
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y
CONFIG_SG_POOL=y
CONFIG_ARCH_HAS_PMEM_API=y
CONFIG_MEMREGION=y
CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE=y
CONFIG_ARCH_HAS_COPY_MC=y
CONFIG_ARCH_STACKWALK=y
CONFIG_SBITMAP=y
# CONFIG_STRING_SELFTEST is not set
# end of Library routines

#
# Kernel hacking
#

#
# printk and dmesg options
#
CONFIG_PRINTK_TIME=y
# CONFIG_PRINTK_CALLER is not set
CONFIG_CONSOLE_LOGLEVEL_DEFAULT=7
CONFIG_CONSOLE_LOGLEVEL_QUIET=4
CONFIG_MESSAGE_LOGLEVEL_DEFAULT=4
# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_DYNAMIC_DEBUG is not set
# CONFIG_DYNAMIC_DEBUG_CORE is not set
CONFIG_SYMBOLIC_ERRNAME=y
CONFIG_DEBUG_BUGVERBOSE=y
# end of printk and dmesg options

#
# Compile-time checks and compiler options
#
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_INFO_REDUCED=y
# CONFIG_DEBUG_INFO_COMPRESSED is not set
# CONFIG_DEBUG_INFO_SPLIT is not set
# CONFIG_DEBUG_INFO_DWARF4 is not set
# CONFIG_GDB_SCRIPTS is not set
CONFIG_ENABLE_MUST_CHECK=y
CONFIG_FRAME_WARN=2048
# CONFIG_STRIP_ASM_SYMS is not set
# CONFIG_READABLE_ASM is not set
# CONFIG_HEADERS_INSTALL is not set
CONFIG_DEBUG_SECTION_MISMATCH=y
CONFIG_SECTION_MISMATCH_WARN_ONLY=y
# CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_32B is not set
CONFIG_STACK_VALIDATION=y
# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
# end of Compile-time checks and compiler options

#
# Generic Kernel Debugging Instruments
#
CONFIG_MAGIC_SYSRQ=y
CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE=0x1
CONFIG_MAGIC_SYSRQ_SERIAL=y
CONFIG_MAGIC_SYSRQ_SERIAL_SEQUENCE=""
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_FS_ALLOW_ALL=y
# CONFIG_DEBUG_FS_DISALLOW_MOUNT is not set
# CONFIG_DEBUG_FS_ALLOW_NONE is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
CONFIG_ARCH_HAS_UBSAN_SANITIZE_ALL=y
# CONFIG_UBSAN is not set
CONFIG_HAVE_ARCH_KCSAN=y
# end of Generic Kernel Debugging Instruments

CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_MISC=y

#
# Memory Debugging
#
# CONFIG_PAGE_EXTENSION is not set
# CONFIG_DEBUG_PAGEALLOC is not set
# CONFIG_PAGE_OWNER is not set
# CONFIG_PAGE_POISONING is not set
# CONFIG_DEBUG_PAGE_REF is not set
CONFIG_DEBUG_RODATA_TEST=y
CONFIG_ARCH_HAS_DEBUG_WX=y
# CONFIG_DEBUG_WX is not set
CONFIG_GENERIC_PTDUMP=y
# CONFIG_PTDUMP_DEBUGFS is not set
# CONFIG_DEBUG_OBJECTS is not set
# CONFIG_SLUB_DEBUG_ON is not set
# CONFIG_SLUB_STATS is not set
CONFIG_HAVE_DEBUG_KMEMLEAK=y
# CONFIG_DEBUG_KMEMLEAK is not set
# CONFIG_DEBUG_STACK_USAGE is not set
# CONFIG_SCHED_STACK_END_CHECK is not set
CONFIG_ARCH_HAS_DEBUG_VM_PGTABLE=y
CONFIG_DEBUG_VM=y
# CONFIG_DEBUG_VM_VMACACHE is not set
# CONFIG_DEBUG_VM_RB is not set
# CONFIG_DEBUG_VM_PGFLAGS is not set
CONFIG_DEBUG_VM_PGTABLE=y
CONFIG_ARCH_HAS_DEBUG_VIRTUAL=y
# CONFIG_DEBUG_VIRTUAL is not set
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_MEMORY_NOTIFIER_ERROR_INJECT=m
# CONFIG_DEBUG_PER_CPU_MAPS is not set
CONFIG_HAVE_ARCH_KASAN=y
CONFIG_HAVE_ARCH_KASAN_VMALLOC=y
CONFIG_CC_HAS_KASAN_GENERIC=y
CONFIG_CC_HAS_WORKING_NOSANITIZE_ADDRESS=y
# CONFIG_KASAN is not set
# end of Memory Debugging

# CONFIG_DEBUG_SHIRQ is not set

#
# Debug Oops, Lockups and Hangs
#
# CONFIG_PANIC_ON_OOPS is not set
CONFIG_PANIC_ON_OOPS_VALUE=0
CONFIG_PANIC_TIMEOUT=0
# CONFIG_SOFTLOCKUP_DETECTOR is not set
CONFIG_HARDLOCKUP_CHECK_TIMESTAMP=y
# CONFIG_HARDLOCKUP_DETECTOR is not set
# CONFIG_DETECT_HUNG_TASK is not set
# CONFIG_WQ_WATCHDOG is not set
# CONFIG_TEST_LOCKUP is not set
# end of Debug Oops, Lockups and Hangs

#
# Scheduler Debugging
#
CONFIG_SCHED_DEBUG=y
CONFIG_SCHED_INFO=y
# CONFIG_SCHEDSTATS is not set
# end of Scheduler Debugging

# CONFIG_DEBUG_TIMEKEEPING is not set

#
# Lock Debugging (spinlocks, mutexes, etc...)
#
CONFIG_LOCK_DEBUGGING_SUPPORT=y
# CONFIG_PROVE_LOCKING is not set
# CONFIG_LOCK_STAT is not set
# CONFIG_DEBUG_RT_MUTEXES is not set
# CONFIG_DEBUG_SPINLOCK is not set
# CONFIG_DEBUG_MUTEXES is not set
# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set
# CONFIG_DEBUG_RWSEMS is not set
# CONFIG_DEBUG_LOCK_ALLOC is not set
CONFIG_DEBUG_ATOMIC_SLEEP=y
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_LOCK_TORTURE_TEST is not set
# CONFIG_WW_MUTEX_SELFTEST is not set
# CONFIG_SCF_TORTURE_TEST is not set
# CONFIG_CSD_LOCK_WAIT_DEBUG is not set
# end of Lock Debugging (spinlocks, mutexes, etc...)

CONFIG_STACKTRACE=y
# CONFIG_WARN_ALL_UNSEEDED_RANDOM is not set
# CONFIG_DEBUG_KOBJECT is not set

#
# Debug kernel data structures
#
# CONFIG_DEBUG_LIST is not set
# CONFIG_DEBUG_PLIST is not set
# CONFIG_DEBUG_SG is not set
# CONFIG_DEBUG_NOTIFIERS is not set
# CONFIG_BUG_ON_DATA_CORRUPTION is not set
# end of Debug kernel data structures

# CONFIG_DEBUG_CREDENTIALS is not set

#
# RCU Debugging
#
# CONFIG_RCU_SCALE_TEST is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_RCU_REF_SCALE_TEST is not set
CONFIG_RCU_CPU_STALL_TIMEOUT=21
# CONFIG_RCU_TRACE is not set
# CONFIG_RCU_EQS_DEBUG is not set
# end of RCU Debugging

# CONFIG_DEBUG_WQ_FORCE_RR_CPU is not set
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
# CONFIG_CPU_HOTPLUG_STATE_CONTROL is not set
# CONFIG_LATENCYTOP 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_DYNAMIC_FTRACE=y
CONFIG_HAVE_DYNAMIC_FTRACE_WITH_REGS=y
CONFIG_HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS=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_CONTEXT_SWITCH_TRACER=y
CONFIG_TRACING=y
CONFIG_GENERIC_TRACER=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
# CONFIG_BOOTTIME_TRACING is not set
CONFIG_FUNCTION_TRACER=y
CONFIG_FUNCTION_GRAPH_TRACER=y
CONFIG_DYNAMIC_FTRACE=y
CONFIG_DYNAMIC_FTRACE_WITH_REGS=y
CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS=y
# CONFIG_FUNCTION_PROFILER is not set
# CONFIG_STACK_TRACER is not set
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_SCHED_TRACER is not set
# CONFIG_HWLAT_TRACER is not set
# CONFIG_MMIOTRACE is not set
# CONFIG_FTRACE_SYSCALLS is not set
# CONFIG_TRACER_SNAPSHOT is not set
CONFIG_BRANCH_PROFILE_NONE=y
# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
# CONFIG_PROFILE_ALL_BRANCHES is not set
# CONFIG_BLK_DEV_IO_TRACE is not set
CONFIG_KPROBE_EVENTS=y
# CONFIG_KPROBE_EVENTS_ON_NOTRACE is not set
CONFIG_UPROBE_EVENTS=y
CONFIG_BPF_EVENTS=y
CONFIG_DYNAMIC_EVENTS=y
CONFIG_PROBE_EVENTS=y
# CONFIG_BPF_KPROBE_OVERRIDE is not set
CONFIG_FTRACE_MCOUNT_RECORD=y
CONFIG_TRACING_MAP=y
CONFIG_SYNTH_EVENTS=y
CONFIG_HIST_TRIGGERS=y
# CONFIG_TRACE_EVENT_INJECT is not set
# CONFIG_TRACEPOINT_BENCHMARK is not set
# CONFIG_RING_BUFFER_BENCHMARK is not set
# CONFIG_TRACE_EVAL_MAP_FILE is not set
# CONFIG_FTRACE_STARTUP_TEST is not set
# CONFIG_RING_BUFFER_STARTUP_TEST is not set
# CONFIG_PREEMPTIRQ_DELAY_TEST is not set
# CONFIG_SYNTH_EVENT_GEN_TEST is not set
# CONFIG_KPROBE_EVENT_GEN_TEST is not set
# CONFIG_HIST_TRIGGERS_DEBUG is not set
# CONFIG_PROVIDE_OHCI1394_DMA_INIT is not set
# CONFIG_SAMPLES is not set
CONFIG_ARCH_HAS_DEVMEM_IS_ALLOWED=y
# CONFIG_STRICT_DEVMEM is not set

#
# x86 Debugging
#
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_TRACE_IRQFLAGS_NMI_SUPPORT=y
CONFIG_EARLY_PRINTK_USB=y
CONFIG_X86_VERBOSE_BOOTUP=y
CONFIG_EARLY_PRINTK=y
CONFIG_EARLY_PRINTK_DBGP=y
CONFIG_EARLY_PRINTK_USB_XDBC=y
# CONFIG_EFI_PGT_DUMP is not set
# CONFIG_DEBUG_TLBFLUSH is not set
# CONFIG_IOMMU_DEBUG is not set
CONFIG_HAVE_MMIOTRACE_SUPPORT=y
# CONFIG_X86_DECODER_SELFTEST is not set
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_DEBUG_BOOT_PARAMS is not set
# CONFIG_CPA_DEBUG is not set
# CONFIG_DEBUG_ENTRY is not set
# CONFIG_DEBUG_NMI_SELFTEST is not set
# CONFIG_X86_DEBUG_FPU is not set
# CONFIG_PUNIT_ATOM_DEBUG is not set
CONFIG_UNWINDER_ORC=y
# CONFIG_UNWINDER_FRAME_POINTER is not set
# CONFIG_UNWINDER_GUESS is not set
# end of x86 Debugging

#
# Kernel Testing and Coverage
#
# CONFIG_KUNIT is not set
CONFIG_NOTIFIER_ERROR_INJECTION=m
CONFIG_PM_NOTIFIER_ERROR_INJECT=m
# CONFIG_NETDEV_NOTIFIER_ERROR_INJECT is not set
CONFIG_FUNCTION_ERROR_INJECTION=y
CONFIG_FAULT_INJECTION=y
# CONFIG_FAILSLAB is not set
# CONFIG_FAIL_PAGE_ALLOC is not set
# CONFIG_FAULT_INJECTION_USERCOPY is not set
CONFIG_FAIL_MAKE_REQUEST=y
# CONFIG_FAIL_IO_TIMEOUT is not set
# CONFIG_FAIL_FUTEX is not set
CONFIG_FAULT_INJECTION_DEBUG_FS=y
# CONFIG_FAIL_FUNCTION is not set
CONFIG_ARCH_HAS_KCOV=y
CONFIG_CC_HAS_SANCOV_TRACE_PC=y
# CONFIG_KCOV is not set
CONFIG_RUNTIME_TESTING_MENU=y
# CONFIG_LKDTM is not set
# CONFIG_TEST_LIST_SORT is not set
# CONFIG_TEST_MIN_HEAP is not set
# CONFIG_TEST_SORT is not set
# CONFIG_KPROBES_SANITY_TEST is not set
# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_RBTREE_TEST is not set
# CONFIG_REED_SOLOMON_TEST is not set
# CONFIG_INTERVAL_TREE_TEST is not set
# CONFIG_PERCPU_TEST is not set
# CONFIG_ATOMIC64_SELFTEST is not set
# CONFIG_ASYNC_RAID6_TEST is not set
# CONFIG_TEST_HEXDUMP is not set
# CONFIG_TEST_STRING_HELPERS is not set
# CONFIG_TEST_STRSCPY is not set
# CONFIG_TEST_KSTRTOX is not set
CONFIG_TEST_PRINTF=m
CONFIG_TEST_BITMAP=m
# CONFIG_TEST_UUID is not set
# CONFIG_TEST_XARRAY is not set
# CONFIG_TEST_OVERFLOW is not set
# CONFIG_TEST_RHASHTABLE is not set
# CONFIG_TEST_HASH is not set
# CONFIG_TEST_IDA is not set
CONFIG_TEST_LKM=m
# CONFIG_TEST_BITOPS is not set
# CONFIG_TEST_VMALLOC is not set
CONFIG_TEST_USER_COPY=m
CONFIG_TEST_BPF=m
# CONFIG_TEST_BLACKHOLE_DEV is not set
# CONFIG_FIND_BIT_BENCHMARK is not set
# CONFIG_TEST_FIRMWARE is not set
CONFIG_TEST_SYSCTL=m
# CONFIG_TEST_UDELAY is not set
CONFIG_TEST_STATIC_KEYS=m
CONFIG_TEST_KMOD=m
# CONFIG_TEST_MEMCAT_P is not set
# CONFIG_TEST_STACKINIT is not set
# CONFIG_TEST_MEMINIT is not set
# CONFIG_TEST_FREE_PAGES is not set
# CONFIG_TEST_FPU is not set
CONFIG_MEMTEST=y
# end of Kernel Testing and Coverage
# end of Kernel hacking

[-- Attachment #3: job-script --]
[-- Type: text/plain, Size: 4642 bytes --]

#!/bin/sh

export_top_env()
{
	export suite='boot'
	export testcase='boot'
	export category='functional'
	export timeout='10m'
	export job_origin='/lkp-src/jobs/boot.yaml'
	export queue_cmdline_keys='branch
commit'
	export queue='bisect'
	export testbox='vm-snb-16'
	export tbox_group='vm-snb'
	export branch='linux-devel/devel-catchup-202011210459'
	export commit='377647beed53730bde5b15bcc49401f3c982bd45'
	export kconfig='x86_64-kexec'
	export nr_vm=160
	export submit_id='5fb88e8b4d26f92bea3e0700'
	export job_file='/lkp/jobs/scheduled/vm-snb-16/boot-1-debian-10.4-x86_64-20200603.cgz-377647beed53730bde5b15bcc49401f3c982bd45-20201121-11242-1m5nnxy-0.yaml'
	export id='548199ca08604515adf731bbcb1da4e1a33c2cf4'
	export queuer_version='/lkp-src'
	export model='qemu-system-x86_64 -enable-kvm -cpu SandyBridge'
	export nr_cpu=2
	export memory='8G'
	export need_kconfig='CONFIG_KVM_GUEST=y'
	export ssh_base_port=23032
	export rootfs='debian-10.4-x86_64-20200603.cgz'
	export compiler='gcc-9'
	export enqueue_time='2020-11-21 11:50:35 +0800'
	export _id='5fb88e8b4d26f92bea3e0700'
	export _rt='/result/boot/1/vm-snb/debian-10.4-x86_64-20200603.cgz/x86_64-kexec/gcc-9/377647beed53730bde5b15bcc49401f3c982bd45'
	export user='lkp'
	export result_root='/result/boot/1/vm-snb/debian-10.4-x86_64-20200603.cgz/x86_64-kexec/gcc-9/377647beed53730bde5b15bcc49401f3c982bd45/3'
	export scheduler_version='/lkp/lkp/.src-20201120-230606'
	export LKP_SERVER='internal-lkp-server'
	export arch='x86_64'
	export max_uptime=600
	export initrd='/osimage/debian/debian-10.4-x86_64-20200603.cgz'
	export bootloader_append='root=/dev/ram0
user=lkp
job=/lkp/jobs/scheduled/vm-snb-16/boot-1-debian-10.4-x86_64-20200603.cgz-377647beed53730bde5b15bcc49401f3c982bd45-20201121-11242-1m5nnxy-0.yaml
ARCH=x86_64
kconfig=x86_64-kexec
branch=linux-devel/devel-catchup-202011210459
commit=377647beed53730bde5b15bcc49401f3c982bd45
BOOT_IMAGE=/pkg/linux/x86_64-kexec/gcc-9/377647beed53730bde5b15bcc49401f3c982bd45/vmlinuz-5.10.0-rc3-00842-g377647beed53
max_uptime=600
RESULT_ROOT=/result/boot/1/vm-snb/debian-10.4-x86_64-20200603.cgz/x86_64-kexec/gcc-9/377647beed53730bde5b15bcc49401f3c982bd45/3
LKP_SERVER=internal-lkp-server
selinux=0
debug
apic=debug
sysrq_always_enabled
rcupdate.rcu_cpu_stall_timeout=100
net.ifnames=0
printk.devkmsg=on
panic=-1
softlockup_panic=1
nmi_watchdog=panic
oops=panic
load_ramdisk=2
prompt_ramdisk=0
drbd.minor_count=8
systemd.log_level=err
ignore_loglevel
console=tty0
earlyprintk=ttyS0,115200
console=ttyS0,115200
vga=normal
rw'
	export modules_initrd='/pkg/linux/x86_64-kexec/gcc-9/377647beed53730bde5b15bcc49401f3c982bd45/modules.cgz'
	export bm_initrd='/osimage/deps/debian-10.4-x86_64-20200603.cgz/run-ipconfig_20200608.cgz,/osimage/deps/debian-10.4-x86_64-20200603.cgz/lkp_20200709.cgz,/osimage/deps/debian-10.4-x86_64-20200603.cgz/rsync-rootfs_20200608.cgz'
	export lkp_initrd='/osimage/user/lkp/lkp-x86_64.cgz'
	export site='inn'
	export LKP_CGI_PORT=80
	export LKP_CIFS_PORT=139
	export schedule_notify_address=
	export kernel='/pkg/linux/x86_64-kexec/gcc-9/377647beed53730bde5b15bcc49401f3c982bd45/vmlinuz-5.10.0-rc3-00842-g377647beed53'
	export dequeue_time='2020-11-21 11:50:45 +0800'
	export job_initrd='/lkp/jobs/scheduled/vm-snb-16/boot-1-debian-10.4-x86_64-20200603.cgz-377647beed53730bde5b15bcc49401f3c982bd45-20201121-11242-1m5nnxy-0.cgz'

	[ -n "$LKP_SRC" ] ||
	export LKP_SRC=/lkp/${user:-lkp}/src
}

run_job()
{
	echo $$ > $TMP/run-job.pid

	. $LKP_SRC/lib/http.sh
	. $LKP_SRC/lib/job.sh
	. $LKP_SRC/lib/env.sh

	export_top_env

	run_monitor $LKP_SRC/monitors/one-shot/wrapper boot-slabinfo
	run_monitor $LKP_SRC/monitors/one-shot/wrapper boot-meminfo
	run_monitor $LKP_SRC/monitors/one-shot/wrapper memmap
	run_monitor $LKP_SRC/monitors/no-stdout/wrapper boot-time
	run_monitor $LKP_SRC/monitors/wrapper kmsg
	run_monitor $LKP_SRC/monitors/wrapper heartbeat
	run_monitor $LKP_SRC/monitors/wrapper meminfo
	run_monitor $LKP_SRC/monitors/wrapper oom-killer
	run_monitor $LKP_SRC/monitors/plain/watchdog

	run_test $LKP_SRC/tests/wrapper sleep 1
}

extract_stats()
{
	export stats_part_begin=
	export stats_part_end=

	$LKP_SRC/stats/wrapper boot-slabinfo
	$LKP_SRC/stats/wrapper boot-meminfo
	$LKP_SRC/stats/wrapper memmap
	$LKP_SRC/stats/wrapper boot-memory
	$LKP_SRC/stats/wrapper boot-time
	$LKP_SRC/stats/wrapper kernel-size
	$LKP_SRC/stats/wrapper kmsg
	$LKP_SRC/stats/wrapper sleep
	$LKP_SRC/stats/wrapper meminfo

	$LKP_SRC/stats/wrapper time sleep.time
	$LKP_SRC/stats/wrapper dmesg
	$LKP_SRC/stats/wrapper kmsg
	$LKP_SRC/stats/wrapper last_state
	$LKP_SRC/stats/wrapper stderr
	$LKP_SRC/stats/wrapper time
}

"$@"

[-- Attachment #4: dmesg.xz --]
[-- Type: application/x-xz, Size: 14588 bytes --]

^ permalink raw reply	[flat|nested] 22+ messages in thread

* Re: [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation
  2020-11-22  4:10   ` Andy Lutomirski
@ 2020-11-23  0:01     ` Edgecombe, Rick P
  2020-11-24 10:16       ` Christoph Hellwig
  0 siblings, 1 reply; 22+ messages in thread
From: Edgecombe, Rick P @ 2020-11-23  0:01 UTC (permalink / raw)
  To: luto
  Cc: linux-kernel, daniel, peterz, jeyu, bpf, rppt, ast, linux-mm,
	dave.hansen, Weiny, Ira, x86, akpm, Reshetova, Elena, Williams,
	Dan J

On Sat, 2020-11-21 at 20:10 -0800, Andy Lutomirski wrote:
> On Fri, Nov 20, 2020 at 12:30 PM Rick Edgecombe
> <rick.p.edgecombe@intel.com> wrote:
> > In order to allow for future arch specific optimizations for
> > vmalloc
> > permissions, first add an implementation of a new interface that
> > will
> > work cross arch by using the existing set_memory_() functions.
> > 
> > When allocating some memory that will be RO, for example it should
> > be used
> > like:
> > 
> > /* Reserve va */
> > struct perm_allocation *alloc = perm_alloc(vstart, vend, page_cnt,
> > PERM_R);
> 
> I'm sure I could reverse-engineer this from the code, but:
> 
> Where do vstart and vend come from?

They are the start and end virtual address range to try to allocate in,
like __vmalloc_node_range() has. So like, MODULES_VADDR and
MODULES_END. Sorry for the terse example. The header in this patch has
some comments about each of the new functions to supplement it a bit.

> Does perm_alloc() allocate memory or just virtual addresses? Is the
> caller expected to call vmalloc()?

The caller does not need to call vmalloc(). perm_alloc() behaves
similar to __vmalloc_node_range(), where it allocates both memory and
virtual addresses. I left a little wiggle room in the descriptions in
the header, that the virtual address range doesn't actually need to be
mapped until after perm_writable_finish(). But both of the
implementations in this series will map it right away like a vmalloc().

So the interface could actually pretty easily be changed to look like
another flavor of vmalloc() that just returns a pointer to allocation.
The reason why it returns this new struct instead is that, unlike most
vmalloc()'s, the callers will be looking up metadata about the
allocation a bunch of times (the writable address). Having this
metadata stored in some struct inside vmalloc would mean
perm_writable_addr() would have to do something like find_vmap_area()
every time in order to find the writable allocation address from the
allocations address passed in. So returning a struct makes it so the
writable translation can skip a global lock and lookup. 

Another option could be putting the new metadata in vm_struct and just
return that, like get_vm_area(). Then we don't need to invent a new
struct. But then normal vmalloc()'s would have a bit of wasted memory
since they don't need this metadata.

A nice thing about that though, is there would be a central place to
translate to the writable addresses in cases where only a virtual
address is available. In later patches here, a similar lookup happens
anyway for modules using __module_address() to get the writable
address. This is due to some existing code where plumbing the new
struct all the way through would have resulted in too many changes.

I'm not sure which is best.

> How does one free this thing?

void perm_free(struct perm_allocation *alloc);


^ permalink raw reply	[flat|nested] 22+ messages in thread

* Re: [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation
  2020-11-20 20:24 ` [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation Rick Edgecombe
  2020-11-22  4:10   ` Andy Lutomirski
@ 2020-11-23  9:00   ` Christoph Hellwig
  2020-11-23 20:44     ` Edgecombe, Rick P
  2020-12-04 23:24   ` Sean Christopherson
  2 siblings, 1 reply; 22+ messages in thread
From: Christoph Hellwig @ 2020-11-23  9:00 UTC (permalink / raw)
  To: Rick Edgecombe
  Cc: akpm, jeyu, bpf, ast, daniel, luto, dave.hansen, peterz, x86,
	rppt, linux-mm, linux-kernel, dan.j.williams, elena.reshetova,
	ira.weiny

First thanks for doing this, having a vmalloc variant that starts out
with proper permissions has been on my todo list for a while.


> +#define PERM_R	1
> +#define PERM_W	2
> +#define PERM_X	4
> +#define PERM_RWX	(PERM_R | PERM_W | PERM_X)
> +#define PERM_RW		(PERM_R | PERM_W)
> +#define PERM_RX		(PERM_R | PERM_X)

Why can't this use the normal pgprot flags?

> +typedef u8 virtual_perm;

This would need __bitwise annotations to allow sparse to typecheck the
flags.

> +/*
> + * Allocate a special permission kva region. The region may not be mapped
> + * until a call to perm_writable_finish(). A writable region will be mapped
> + * immediately at the address returned by perm_writable_addr(). The allocation
> + * will be made between the start and end virtual addresses.
> + */
> +struct perm_allocation *perm_alloc(unsigned long vstart, unsigned long vend, unsigned long page_cnt,
> +				   virtual_perm perms);

Please avoid totally pointless overly long line (all over the series)

Also I find the unsigned long for kernel virtual address interface
strange, but I'll take a look at the callers later.

^ permalink raw reply	[flat|nested] 22+ messages in thread

* Re: [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation
  2020-11-23  9:00   ` Christoph Hellwig
@ 2020-11-23 20:44     ` Edgecombe, Rick P
  2020-11-24 10:19       ` hch
  0 siblings, 1 reply; 22+ messages in thread
From: Edgecombe, Rick P @ 2020-11-23 20:44 UTC (permalink / raw)
  To: hch
  Cc: linux-kernel, daniel, peterz, jeyu, bpf, rppt, ast, linux-mm,
	dave.hansen, Weiny, Ira, x86, akpm, Reshetova, Elena, Williams,
	Dan J, luto

On Mon, 2020-11-23 at 09:00 +0000, Christoph Hellwig wrote:
> First thanks for doing this, having a vmalloc variant that starts out
> with proper permissions has been on my todo list for a while.
> 
> > +#define PERM_R	1
> > +#define PERM_W	2
> > +#define PERM_X	4
> > +#define PERM_RWX	(PERM_R | PERM_W | PERM_X)
> > +#define PERM_RW		(PERM_R | PERM_W)
> > +#define PERM_RX		(PERM_R | PERM_X)
> 
> Why can't this use the normal pgprot flags?
> 

Well, there were two reasons:
1. Non-standard naming for the PAGE_FOO flags. For example,
PAGE_KERNEL_ROX vs PAGE_KERNEL_READ_EXEC. This could be unified. I
think it's just riscv that breaks the conventions. Others are just
missing some.

2. The need to translate between the flags and set_memory_foo() calls.
For example if a permission is RW and the caller is asking to change it
to RWX. Some architectures have an X permission and others an NX
permission, and it's the same with read only vs writable. So these
flags are trying to be more analogous of the cross-arch set_memory_()
function names rather than pgprot flags.

I guess you could do something like (pgprot_val(PAGE_KERNEL_EXEC) &
~pgprot_val(PAGE_KERNEL)) and assume if there are any bits set it is a
positive permission and from that deduce whether to call set_memory_nx() or set_memory_x().

But I thought that using those pgprot flags was still sort overloading
the meaning of pgprot. My understanding was that it is supposed to hold
the actual bits set in the PTE. For example large pages or TLB hints
(like PAGE_KERNEL_EXEC_CONT) could set or unset extra bits, so asking
for PAGE_KERNEL_EXEC wouldn't necessarily mean "set these bits in all
of the PTEs", it could mean something more like "infer what I want from
these bits and do that".

x86's cpa will also avoid changing NX if it is not supported, so if the
caller asked for PAGE_KERNEL->PAGE_KERNEL_EXEC in perm_change() it
should not necessarily bother setting all of the PAGE_KERNEL_EXEC bits
in the actual PTEs. Asking for PERM_RW->PERM_RWX on the other hand,
would let the implementation do whatever it needs to set the memory
executable, like set_memory_x() does. It should work either way but
seems like the expectations would be a little clearer with the PERM_
flags.

On the other hand, creating a whole new set of flags is not ideal
either. But that was just my reasoning. Does it seem worth it?

> > +typedef u8 virtual_perm;
> 
> This would need __bitwise annotations to allow sparse to typecheck
> the
> flags.
> 

Ok, thanks.

> > +/*
> > + * Allocate a special permission kva region. The region may not be
> > mapped
> > + * until a call to perm_writable_finish(). A writable region will
> > be mapped
> > + * immediately at the address returned by perm_writable_addr().
> > The allocation
> > + * will be made between the start and end virtual addresses.
> > + */
> > +struct perm_allocation *perm_alloc(unsigned long vstart, unsigned
> > long vend, unsigned long page_cnt,
> > +				   virtual_perm perms);
> 
> Please avoid totally pointless overly long line (all over the series)

Could easily wrap this one, but just to clarify, do you mean lines over
80 chars? There were already some over 80 in vmalloc before the move to
100 chars, so figured it was ok to stretch out now.

> Also I find the unsigned long for kernel virtual address interface
> strange, but I'll take a look at the callers later.

Yea, some of the callers need to cast either way. I think I changed it
to unsigned long, because casting (void *) was smaller in the code than
(unsigned long) and it shorted some line lengths.

^ permalink raw reply	[flat|nested] 22+ messages in thread

* Re: [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation
  2020-11-23  0:01     ` Edgecombe, Rick P
@ 2020-11-24 10:16       ` Christoph Hellwig
  2020-11-24 20:00         ` Edgecombe, Rick P
  0 siblings, 1 reply; 22+ messages in thread
From: Christoph Hellwig @ 2020-11-24 10:16 UTC (permalink / raw)
  To: Edgecombe, Rick P
  Cc: luto, linux-kernel, daniel, peterz, jeyu, bpf, rppt, ast,
	linux-mm, dave.hansen, Weiny, Ira, x86, akpm, Reshetova, Elena,
	Williams, Dan J

On Mon, Nov 23, 2020 at 12:01:35AM +0000, Edgecombe, Rick P wrote:
> Another option could be putting the new metadata in vm_struct and just
> return that, like get_vm_area(). Then we don't need to invent a new
> struct. But then normal vmalloc()'s would have a bit of wasted memory
> since they don't need this metadata.

That would seem most natural to me.  We'll need to figure out how we
can do that without bloating vm_struct too much.  One option would
be a bigger structure that embedds vm_struct and can be retreived using
container_of().

^ permalink raw reply	[flat|nested] 22+ messages in thread

* Re: [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation
  2020-11-23 20:44     ` Edgecombe, Rick P
@ 2020-11-24 10:19       ` hch
  2020-11-24 19:59         ` Edgecombe, Rick P
  0 siblings, 1 reply; 22+ messages in thread
From: hch @ 2020-11-24 10:19 UTC (permalink / raw)
  To: Edgecombe, Rick P
  Cc: hch, linux-kernel, daniel, peterz, jeyu, bpf, rppt, ast,
	linux-mm, dave.hansen, Weiny, Ira, x86, akpm, Reshetova, Elena,
	Williams, Dan J, luto

On Mon, Nov 23, 2020 at 08:44:12PM +0000, Edgecombe, Rick P wrote:
> Well, there were two reasons:
> 1. Non-standard naming for the PAGE_FOO flags. For example,
> PAGE_KERNEL_ROX vs PAGE_KERNEL_READ_EXEC. This could be unified. I
> think it's just riscv that breaks the conventions. Others are just
> missing some.

We need to standardize those anyway.  I've done that for a few
PAGE_* constants already but as you see there is more work to do.

> But I thought that using those pgprot flags was still sort overloading
> the meaning of pgprot. My understanding was that it is supposed to hold
> the actual bits set in the PTE. For example large pages or TLB hints
> (like PAGE_KERNEL_EXEC_CONT) could set or unset extra bits, so asking
> for PAGE_KERNEL_EXEC wouldn't necessarily mean "set these bits in all
> of the PTEs", it could mean something more like "infer what I want from
> these bits and do that".
> 
> x86's cpa will also avoid changing NX if it is not supported, so if the
> caller asked for PAGE_KERNEL->PAGE_KERNEL_EXEC in perm_change() it
> should not necessarily bother setting all of the PAGE_KERNEL_EXEC bits
> in the actual PTEs. Asking for PERM_RW->PERM_RWX on the other hand,
> would let the implementation do whatever it needs to set the memory
> executable, like set_memory_x() does. It should work either way but
> seems like the expectations would be a little clearer with the PERM_
> flags.

Ok, maybe that is an argument, and we should use the new flags more
broadly.

> Could easily wrap this one, but just to clarify, do you mean lines over
> 80 chars? There were already some over 80 in vmalloc before the move to
> 100 chars, so figured it was ok to stretch out now.

CodingStyle still says 80 characters unless you have an exception where
a longer line improves the readability.  The quoted code absolutely
does not fit the definition of an exception or improves readability.

^ permalink raw reply	[flat|nested] 22+ messages in thread

* Re: [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation
  2020-11-24 10:19       ` hch
@ 2020-11-24 19:59         ` Edgecombe, Rick P
  0 siblings, 0 replies; 22+ messages in thread
From: Edgecombe, Rick P @ 2020-11-24 19:59 UTC (permalink / raw)
  To: hch
  Cc: linux-kernel, daniel, peterz, jeyu, bpf, rppt, linux-mm,
	dave.hansen, ast, Weiny, Ira, x86, akpm, Williams, Dan J,
	Reshetova, Elena, luto

On Tue, 2020-11-24 at 10:19 +0000, hch@infradead.org wrote:
> But I thought that using those pgprot flags was still sort
> overloading
> > the meaning of pgprot. My understanding was that it is supposed to
> > hold
> > the actual bits set in the PTE. For example large pages or TLB
> > hints
> > (like PAGE_KERNEL_EXEC_CONT) could set or unset extra bits, so
> > asking
> > for PAGE_KERNEL_EXEC wouldn't necessarily mean "set these bits in
> > all
> > of the PTEs", it could mean something more like "infer what I want
> > from
> > these bits and do that".
> > 
> > x86's cpa will also avoid changing NX if it is not supported, so if
> > the
> > caller asked for PAGE_KERNEL->PAGE_KERNEL_EXEC in perm_change() it
> > should not necessarily bother setting all of the PAGE_KERNEL_EXEC
> > bits
> > in the actual PTEs. Asking for PERM_RW->PERM_RWX on the other hand,
> > would let the implementation do whatever it needs to set the memory
> > executable, like set_memory_x() does. It should work either way but
> > seems like the expectations would be a little clearer with the
> > PERM_
> > flags.
> 
> Ok, maybe that is an argument, and we should use the new flags more
> broadly.

They might make sense to live in set_memory.h then. Separate from this
patchset, a call like set_memory(addr, numpages, PERM_R) could be more
efficient than two calls to set_memory_ro() and set_memory_nx(). Not
that it happens very much outside of vmalloc usages. But just to try to
think where else it could be used.

> > Could easily wrap this one, but just to clarify, do you mean lines
> > over
> > 80 chars? There were already some over 80 in vmalloc before the
> > move to
> > 100 chars, so figured it was ok to stretch out now.
> 
> CodingStyle still says 80 characters unless you have an exception
> where
> a longer line improves the readability.  The quoted code absolutely
> does not fit the definition of an exception or improves readability.

Fair enough.

And to the other comment in your first mail, glad to do this and
finally send it out. This series has been sitting in a local branch for
most of the year while stuff kept interrupting it.

^ permalink raw reply	[flat|nested] 22+ messages in thread

* Re: [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation
  2020-11-24 10:16       ` Christoph Hellwig
@ 2020-11-24 20:00         ` Edgecombe, Rick P
  0 siblings, 0 replies; 22+ messages in thread
From: Edgecombe, Rick P @ 2020-11-24 20:00 UTC (permalink / raw)
  To: hch
  Cc: linux-kernel, daniel, peterz, jeyu, bpf, rppt, ast, linux-mm,
	dave.hansen, Weiny, Ira, x86, akpm, Reshetova, Elena, Williams,
	Dan J, luto

On Tue, 2020-11-24 at 10:16 +0000, Christoph Hellwig wrote:
> On Mon, Nov 23, 2020 at 12:01:35AM +0000, Edgecombe, Rick P wrote:
> > Another option could be putting the new metadata in vm_struct and
> > just
> > return that, like get_vm_area(). Then we don't need to invent a new
> > struct. But then normal vmalloc()'s would have a bit of wasted
> > memory
> > since they don't need this metadata.
> 
> That would seem most natural to me.  We'll need to figure out how we
> can do that without bloating vm_struct too much.  One option would
> be a bigger structure that embedds vm_struct and can be retreived
> using
> container_of().

Hmm, neat. I can change this in the next version.

^ permalink raw reply	[flat|nested] 22+ messages in thread

* Re: [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation
  2020-11-20 20:24 ` [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation Rick Edgecombe
  2020-11-22  4:10   ` Andy Lutomirski
  2020-11-23  9:00   ` Christoph Hellwig
@ 2020-12-04 23:24   ` Sean Christopherson
  2020-12-07 23:55     ` Edgecombe, Rick P
  2 siblings, 1 reply; 22+ messages in thread
From: Sean Christopherson @ 2020-12-04 23:24 UTC (permalink / raw)
  To: Rick Edgecombe
  Cc: akpm, jeyu, bpf, ast, daniel, luto, dave.hansen, peterz, x86,
	rppt, linux-mm, linux-kernel, dan.j.williams, elena.reshetova,
	ira.weiny

On Fri, Nov 20, 2020, Rick Edgecombe wrote:
> +struct perm_allocation {
> +	struct page **pages;
> +	virtual_perm cur_perm;
> +	virtual_perm orig_perm;
> +	struct vm_struct *area;
> +	unsigned long offset;
> +	unsigned long size;
> +	void *writable;
> +};
> +
> +/*
> + * Allocate a special permission kva region. The region may not be mapped
> + * until a call to perm_writable_finish(). A writable region will be mapped
> + * immediately at the address returned by perm_writable_addr(). The allocation
> + * will be made between the start and end virtual addresses.
> + */
> +struct perm_allocation *perm_alloc(unsigned long vstart, unsigned long vend, unsigned long page_cnt,
> +				   virtual_perm perms);

IMO, 'perm' as the root namespace is too generic, and perm_ is already very
prevelant throughout the kernel.  E.g. it's not obvious when looking at the
callers that perm_alloc() is the first step in setting up an alternate kernel
VA->PA mapping.

I don't have a suggestion for a more intuitive name, but in the absence of a
perfect name, I'd vote for an acronym that is easy to grep.  Something like
pvmap?  That isn't currently used in the kernel, though I can't help but read it
as "paravirt map"...

^ permalink raw reply	[flat|nested] 22+ messages in thread

* Re: [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation
  2020-12-04 23:24   ` Sean Christopherson
@ 2020-12-07 23:55     ` Edgecombe, Rick P
  0 siblings, 0 replies; 22+ messages in thread
From: Edgecombe, Rick P @ 2020-12-07 23:55 UTC (permalink / raw)
  To: seanjc
  Cc: linux-kernel, daniel, peterz, jeyu, bpf, rppt, ast, linux-mm,
	dave.hansen, Weiny, Ira, x86, akpm, Reshetova, Elena, Williams,
	Dan J, luto

On Fri, 2020-12-04 at 15:24 -0800, Sean Christopherson wrote:
> On Fri, Nov 20, 2020, Rick Edgecombe wrote:
> > +struct perm_allocation {
> > +	struct page **pages;
> > +	virtual_perm cur_perm;
> > +	virtual_perm orig_perm;
> > +	struct vm_struct *area;
> > +	unsigned long offset;
> > +	unsigned long size;
> > +	void *writable;
> > +};
> > +
> > +/*
> > + * Allocate a special permission kva region. The region may not be
> > mapped
> > + * until a call to perm_writable_finish(). A writable region will
> > be mapped
> > + * immediately at the address returned by perm_writable_addr().
> > The allocation
> > + * will be made between the start and end virtual addresses.
> > + */
> > +struct perm_allocation *perm_alloc(unsigned long vstart, unsigned
> > long vend, unsigned long page_cnt,
> > +				   virtual_perm perms);
> 
> IMO, 'perm' as the root namespace is too generic, and perm_ is
> already very
> prevelant throughout the kernel.  E.g. it's not obvious when looking
> at the
> callers that perm_alloc() is the first step in setting up an
> alternate kernel
> VA->PA mapping.
> 
> I don't have a suggestion for a more intuitive name, but in the
> absence of a
> perfect name, I'd vote for an acronym that is easy to
> grep.  Something like
> pvmap?  That isn't currently used in the kernel, though I can't help
> but read it
> as "paravirt map"...

Good point, thanks.

After Christoph's comments to return a vm_struct pointer, I was going
to try to pick some more vmalloc-like names. Like vmalloc_perm(),
vmalloc_writable_finish(), etc. Still have to play around with it some
more.


^ permalink raw reply	[flat|nested] 22+ messages in thread

end of thread, other threads:[~2020-12-07 23:55 UTC | newest]

Thread overview: 22+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-11-20 20:24 [PATCH RFC 00/10] New permission vmalloc interface Rick Edgecombe
2020-11-20 20:24 ` [PATCH RFC 01/10] vmalloc: Add basic perm alloc implementation Rick Edgecombe
2020-11-22  4:10   ` Andy Lutomirski
2020-11-23  0:01     ` Edgecombe, Rick P
2020-11-24 10:16       ` Christoph Hellwig
2020-11-24 20:00         ` Edgecombe, Rick P
2020-11-23  9:00   ` Christoph Hellwig
2020-11-23 20:44     ` Edgecombe, Rick P
2020-11-24 10:19       ` hch
2020-11-24 19:59         ` Edgecombe, Rick P
2020-12-04 23:24   ` Sean Christopherson
2020-12-07 23:55     ` Edgecombe, Rick P
2020-11-20 20:24 ` [PATCH RFC 02/10] bpf: Use perm_alloc() for BPF JIT filters Rick Edgecombe
2020-11-20 20:24 ` [PATCH RFC 03/10] module: Use perm_alloc() for modules Rick Edgecombe
2020-11-20 20:24 ` [PATCH RFC 04/10] module: Support separate writable allocation Rick Edgecombe
2020-11-20 20:24 ` [PATCH RFC 05/10] x86/modules: Use real perm_allocations Rick Edgecombe
2020-11-20 20:24 ` [PATCH RFC 06/10] x86/alternatives: Handle perm_allocs for modules Rick Edgecombe
2020-11-20 20:24 ` [PATCH RFC 07/10] x86/unwind: Unwind orc at module writable address Rick Edgecombe
2020-11-20 20:24 ` [PATCH RFC 08/10] jump_label: Handle " Rick Edgecombe
2020-11-20 20:24 ` [PATCH RFC 09/10] ftrace: Use " Rick Edgecombe
2020-11-20 20:24 ` [PATCH RFC 10/10] vmalloc: Add perm_alloc x86 implementation Rick Edgecombe
2020-11-22 15:29   ` [vmalloc] 377647beed: WARNING:at_arch/x86/kernel/ftrace.c:#ftrace_verify_code kernel test robot

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