From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-mm@kvack.org, akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org, geert@linux-m68k.org,
Anshuman Khandual <anshuman.khandual@arm.com>,
Christoph Hellwig <hch@infradead.org>,
linuxppc-dev@lists.ozlabs.org,
linux-arm-kernel@lists.infradead.org, sparclinux@vger.kernel.org,
linux-mips@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-s390@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-alpha@vger.kernel.org, linux-sh@vger.kernel.org,
linux-snps-arc@lists.infradead.org, linux-csky@vger.kernel.org,
linux-xtensa@linux-xtensa.org, linux-parisc@vger.kernel.org,
openrisc@lists.librecores.org, linux-um@lists.infradead.org,
linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org,
linux-arch@vger.kernel.org, Michael Ellerman <mpe@ellerman.id.au>,
Paul Mackerras <paulus@samba.org>
Subject: [PATCH V3 04/30] powerpc/mm: Enable ARCH_HAS_VM_GET_PAGE_PROT
Date: Mon, 28 Feb 2022 16:17:27 +0530 [thread overview]
Message-ID: <1646045273-9343-5-git-send-email-anshuman.khandual@arm.com> (raw)
In-Reply-To: <1646045273-9343-1-git-send-email-anshuman.khandual@arm.com>
This defines and exports a platform specific custom vm_get_page_prot() via
subscribing ARCH_HAS_VM_GET_PAGE_PROT. Subsequently all __SXXX and __PXXX
macros can be dropped which are no longer needed. While here, this also
localizes arch_vm_get_page_prot() as powerpc_vm_get_page_prot() and moves
it near vm_get_page_prot().
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
arch/powerpc/Kconfig | 1 +
arch/powerpc/include/asm/mman.h | 12 ------
arch/powerpc/include/asm/pgtable.h | 19 ----------
arch/powerpc/mm/mmap.c | 59 ++++++++++++++++++++++++++++++
4 files changed, 60 insertions(+), 31 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b779603978e1..ddb4a3687c05 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -135,6 +135,7 @@ config PPC
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_UACCESS_FLUSHCACHE
select ARCH_HAS_UBSAN_SANITIZE_ALL
+ select ARCH_HAS_VM_GET_PAGE_PROT
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_KEEP_MEMBLOCK
select ARCH_MIGHT_HAVE_PC_PARPORT
diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h
index 7cb6d18f5cd6..1b024e64c8ec 100644
--- a/arch/powerpc/include/asm/mman.h
+++ b/arch/powerpc/include/asm/mman.h
@@ -24,18 +24,6 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
}
#define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey)
-static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
-{
-#ifdef CONFIG_PPC_MEM_KEYS
- return (vm_flags & VM_SAO) ?
- __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) :
- __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags));
-#else
- return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
-#endif
-}
-#define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags)
-
static inline bool arch_validate_prot(unsigned long prot, unsigned long addr)
{
if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM | PROT_SAO))
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index d564d0ecd4cd..3cbb6de20f9d 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -20,25 +20,6 @@ struct mm_struct;
#include <asm/nohash/pgtable.h>
#endif /* !CONFIG_PPC_BOOK3S */
-/* Note due to the way vm flags are laid out, the bits are XWR */
-#define __P000 PAGE_NONE
-#define __P001 PAGE_READONLY
-#define __P010 PAGE_COPY
-#define __P011 PAGE_COPY
-#define __P100 PAGE_READONLY_X
-#define __P101 PAGE_READONLY_X
-#define __P110 PAGE_COPY_X
-#define __P111 PAGE_COPY_X
-
-#define __S000 PAGE_NONE
-#define __S001 PAGE_READONLY
-#define __S010 PAGE_SHARED
-#define __S011 PAGE_SHARED
-#define __S100 PAGE_READONLY_X
-#define __S101 PAGE_READONLY_X
-#define __S110 PAGE_SHARED_X
-#define __S111 PAGE_SHARED_X
-
#ifndef __ASSEMBLY__
#ifndef MAX_PTRS_PER_PGD
diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c
index c475cf810aa8..ee275937fe19 100644
--- a/arch/powerpc/mm/mmap.c
+++ b/arch/powerpc/mm/mmap.c
@@ -254,3 +254,62 @@ void arch_pick_mmap_layout(struct mm_struct *mm, struct rlimit *rlim_stack)
mm->get_unmapped_area = arch_get_unmapped_area_topdown;
}
}
+
+static inline pgprot_t __vm_get_page_prot(unsigned long vm_flags)
+{
+ switch (vm_flags & (VM_READ | VM_WRITE | VM_EXEC | VM_SHARED)) {
+ case VM_NONE:
+ return PAGE_NONE;
+ case VM_READ:
+ return PAGE_READONLY;
+ case VM_WRITE:
+ case VM_WRITE | VM_READ:
+ return PAGE_COPY;
+ case VM_EXEC:
+ case VM_EXEC | VM_READ:
+ return PAGE_READONLY_X;
+ case VM_EXEC | VM_WRITE:
+ case VM_EXEC | VM_WRITE | VM_READ:
+ return PAGE_COPY_X;
+ case VM_SHARED:
+ return PAGE_NONE;
+ case VM_SHARED | VM_READ:
+ return PAGE_READONLY;
+ case VM_SHARED | VM_WRITE:
+ case VM_SHARED | VM_WRITE | VM_READ:
+ return PAGE_SHARED;
+ case VM_SHARED | VM_EXEC:
+ case VM_SHARED | VM_EXEC | VM_READ:
+ return PAGE_READONLY_X;
+ case VM_SHARED | VM_EXEC | VM_WRITE:
+ case VM_SHARED | VM_EXEC | VM_WRITE | VM_READ:
+ return PAGE_SHARED_X;
+ default:
+ BUILD_BUG();
+ }
+}
+
+#ifdef CONFIG_PPC64
+static pgprot_t powerpc_vm_get_page_prot(unsigned long vm_flags)
+{
+#ifdef CONFIG_PPC_MEM_KEYS
+ return (vm_flags & VM_SAO) ?
+ __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) :
+ __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags));
+#else
+ return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
+#endif
+}
+#else
+static pgprot_t powerpc_vm_get_page_prot(unsigned long vm_flags)
+{
+ return __pgprot(0);
+}
+#endif /* CONFIG_PPC64 */
+
+pgprot_t vm_get_page_prot(unsigned long vm_flags)
+{
+ return __pgprot(pgprot_val(__vm_get_page_prot(vm_flags)) |
+ pgprot_val(powerpc_vm_get_page_prot(vm_flags)));
+}
+EXPORT_SYMBOL(vm_get_page_prot);
--
2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-mm@kvack.org, akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org, geert@linux-m68k.org,
Anshuman Khandual <anshuman.khandual@arm.com>,
Christoph Hellwig <hch@infradead.org>,
linuxppc-dev@lists.ozlabs.org,
linux-arm-kernel@lists.infradead.org, sparclinux@vger.kernel.org,
linux-mips@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-s390@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-alpha@vger.kernel.org, linux-sh@vger.kernel.org,
linux-snps-arc@lists.infradead.org, linux-csky@vger.kernel.org,
linux-xtensa@linux-xtensa.org, linux-parisc@vger.kernel.org,
openrisc@lists.librecores.org, linux-um@lists.infradead.org,
linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org,
linux-arch@vger.kernel.org, Michael Ellerman <mpe@ellerman.id.au>,
Paul Mackerras <paulus@samba.org>
Subject: [PATCH V3 04/30] powerpc/mm: Enable ARCH_HAS_VM_GET_PAGE_PROT
Date: Mon, 28 Feb 2022 16:17:27 +0530 [thread overview]
Message-ID: <1646045273-9343-5-git-send-email-anshuman.khandual@arm.com> (raw)
In-Reply-To: <1646045273-9343-1-git-send-email-anshuman.khandual@arm.com>
This defines and exports a platform specific custom vm_get_page_prot() via
subscribing ARCH_HAS_VM_GET_PAGE_PROT. Subsequently all __SXXX and __PXXX
macros can be dropped which are no longer needed. While here, this also
localizes arch_vm_get_page_prot() as powerpc_vm_get_page_prot() and moves
it near vm_get_page_prot().
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
arch/powerpc/Kconfig | 1 +
arch/powerpc/include/asm/mman.h | 12 ------
arch/powerpc/include/asm/pgtable.h | 19 ----------
arch/powerpc/mm/mmap.c | 59 ++++++++++++++++++++++++++++++
4 files changed, 60 insertions(+), 31 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b779603978e1..ddb4a3687c05 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -135,6 +135,7 @@ config PPC
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_UACCESS_FLUSHCACHE
select ARCH_HAS_UBSAN_SANITIZE_ALL
+ select ARCH_HAS_VM_GET_PAGE_PROT
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_KEEP_MEMBLOCK
select ARCH_MIGHT_HAVE_PC_PARPORT
diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h
index 7cb6d18f5cd6..1b024e64c8ec 100644
--- a/arch/powerpc/include/asm/mman.h
+++ b/arch/powerpc/include/asm/mman.h
@@ -24,18 +24,6 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
}
#define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey)
-static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
-{
-#ifdef CONFIG_PPC_MEM_KEYS
- return (vm_flags & VM_SAO) ?
- __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) :
- __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags));
-#else
- return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
-#endif
-}
-#define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags)
-
static inline bool arch_validate_prot(unsigned long prot, unsigned long addr)
{
if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM | PROT_SAO))
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index d564d0ecd4cd..3cbb6de20f9d 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -20,25 +20,6 @@ struct mm_struct;
#include <asm/nohash/pgtable.h>
#endif /* !CONFIG_PPC_BOOK3S */
-/* Note due to the way vm flags are laid out, the bits are XWR */
-#define __P000 PAGE_NONE
-#define __P001 PAGE_READONLY
-#define __P010 PAGE_COPY
-#define __P011 PAGE_COPY
-#define __P100 PAGE_READONLY_X
-#define __P101 PAGE_READONLY_X
-#define __P110 PAGE_COPY_X
-#define __P111 PAGE_COPY_X
-
-#define __S000 PAGE_NONE
-#define __S001 PAGE_READONLY
-#define __S010 PAGE_SHARED
-#define __S011 PAGE_SHARED
-#define __S100 PAGE_READONLY_X
-#define __S101 PAGE_READONLY_X
-#define __S110 PAGE_SHARED_X
-#define __S111 PAGE_SHARED_X
-
#ifndef __ASSEMBLY__
#ifndef MAX_PTRS_PER_PGD
diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c
index c475cf810aa8..ee275937fe19 100644
--- a/arch/powerpc/mm/mmap.c
+++ b/arch/powerpc/mm/mmap.c
@@ -254,3 +254,62 @@ void arch_pick_mmap_layout(struct mm_struct *mm, struct rlimit *rlim_stack)
mm->get_unmapped_area = arch_get_unmapped_area_topdown;
}
}
+
+static inline pgprot_t __vm_get_page_prot(unsigned long vm_flags)
+{
+ switch (vm_flags & (VM_READ | VM_WRITE | VM_EXEC | VM_SHARED)) {
+ case VM_NONE:
+ return PAGE_NONE;
+ case VM_READ:
+ return PAGE_READONLY;
+ case VM_WRITE:
+ case VM_WRITE | VM_READ:
+ return PAGE_COPY;
+ case VM_EXEC:
+ case VM_EXEC | VM_READ:
+ return PAGE_READONLY_X;
+ case VM_EXEC | VM_WRITE:
+ case VM_EXEC | VM_WRITE | VM_READ:
+ return PAGE_COPY_X;
+ case VM_SHARED:
+ return PAGE_NONE;
+ case VM_SHARED | VM_READ:
+ return PAGE_READONLY;
+ case VM_SHARED | VM_WRITE:
+ case VM_SHARED | VM_WRITE | VM_READ:
+ return PAGE_SHARED;
+ case VM_SHARED | VM_EXEC:
+ case VM_SHARED | VM_EXEC | VM_READ:
+ return PAGE_READONLY_X;
+ case VM_SHARED | VM_EXEC | VM_WRITE:
+ case VM_SHARED | VM_EXEC | VM_WRITE | VM_READ:
+ return PAGE_SHARED_X;
+ default:
+ BUILD_BUG();
+ }
+}
+
+#ifdef CONFIG_PPC64
+static pgprot_t powerpc_vm_get_page_prot(unsigned long vm_flags)
+{
+#ifdef CONFIG_PPC_MEM_KEYS
+ return (vm_flags & VM_SAO) ?
+ __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) :
+ __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags));
+#else
+ return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
+#endif
+}
+#else
+static pgprot_t powerpc_vm_get_page_prot(unsigned long vm_flags)
+{
+ return __pgprot(0);
+}
+#endif /* CONFIG_PPC64 */
+
+pgprot_t vm_get_page_prot(unsigned long vm_flags)
+{
+ return __pgprot(pgprot_val(__vm_get_page_prot(vm_flags)) |
+ pgprot_val(powerpc_vm_get_page_prot(vm_flags)));
+}
+EXPORT_SYMBOL(vm_get_page_prot);
--
2.25.1
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
WARNING: multiple messages have this Message-ID (diff)
From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-mm@kvack.org, akpm@linux-foundation.org
Cc: linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
linux-mips@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-arch@vger.kernel.org, linux-s390@vger.kernel.org,
linux-hexagon@vger.kernel.org, linux-csky@vger.kernel.org,
Christoph Hellwig <hch@infradead.org>,
geert@linux-m68k.org, linux-snps-arc@lists.infradead.org,
linux-xtensa@linux-xtensa.org,
Anshuman Khandual <anshuman.khandual@arm.com>,
linux-um@lists.infradead.org, linux-m68k@lists.linux-m68k.org,
openrisc@lists.librecores.org,
linux-arm-kernel@lists.infradead.org,
linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-alpha@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: [PATCH V3 04/30] powerpc/mm: Enable ARCH_HAS_VM_GET_PAGE_PROT
Date: Mon, 28 Feb 2022 16:17:27 +0530 [thread overview]
Message-ID: <1646045273-9343-5-git-send-email-anshuman.khandual@arm.com> (raw)
In-Reply-To: <1646045273-9343-1-git-send-email-anshuman.khandual@arm.com>
This defines and exports a platform specific custom vm_get_page_prot() via
subscribing ARCH_HAS_VM_GET_PAGE_PROT. Subsequently all __SXXX and __PXXX
macros can be dropped which are no longer needed. While here, this also
localizes arch_vm_get_page_prot() as powerpc_vm_get_page_prot() and moves
it near vm_get_page_prot().
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
arch/powerpc/Kconfig | 1 +
arch/powerpc/include/asm/mman.h | 12 ------
arch/powerpc/include/asm/pgtable.h | 19 ----------
arch/powerpc/mm/mmap.c | 59 ++++++++++++++++++++++++++++++
4 files changed, 60 insertions(+), 31 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b779603978e1..ddb4a3687c05 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -135,6 +135,7 @@ config PPC
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_UACCESS_FLUSHCACHE
select ARCH_HAS_UBSAN_SANITIZE_ALL
+ select ARCH_HAS_VM_GET_PAGE_PROT
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_KEEP_MEMBLOCK
select ARCH_MIGHT_HAVE_PC_PARPORT
diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h
index 7cb6d18f5cd6..1b024e64c8ec 100644
--- a/arch/powerpc/include/asm/mman.h
+++ b/arch/powerpc/include/asm/mman.h
@@ -24,18 +24,6 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
}
#define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey)
-static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
-{
-#ifdef CONFIG_PPC_MEM_KEYS
- return (vm_flags & VM_SAO) ?
- __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) :
- __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags));
-#else
- return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
-#endif
-}
-#define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags)
-
static inline bool arch_validate_prot(unsigned long prot, unsigned long addr)
{
if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM | PROT_SAO))
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index d564d0ecd4cd..3cbb6de20f9d 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -20,25 +20,6 @@ struct mm_struct;
#include <asm/nohash/pgtable.h>
#endif /* !CONFIG_PPC_BOOK3S */
-/* Note due to the way vm flags are laid out, the bits are XWR */
-#define __P000 PAGE_NONE
-#define __P001 PAGE_READONLY
-#define __P010 PAGE_COPY
-#define __P011 PAGE_COPY
-#define __P100 PAGE_READONLY_X
-#define __P101 PAGE_READONLY_X
-#define __P110 PAGE_COPY_X
-#define __P111 PAGE_COPY_X
-
-#define __S000 PAGE_NONE
-#define __S001 PAGE_READONLY
-#define __S010 PAGE_SHARED
-#define __S011 PAGE_SHARED
-#define __S100 PAGE_READONLY_X
-#define __S101 PAGE_READONLY_X
-#define __S110 PAGE_SHARED_X
-#define __S111 PAGE_SHARED_X
-
#ifndef __ASSEMBLY__
#ifndef MAX_PTRS_PER_PGD
diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c
index c475cf810aa8..ee275937fe19 100644
--- a/arch/powerpc/mm/mmap.c
+++ b/arch/powerpc/mm/mmap.c
@@ -254,3 +254,62 @@ void arch_pick_mmap_layout(struct mm_struct *mm, struct rlimit *rlim_stack)
mm->get_unmapped_area = arch_get_unmapped_area_topdown;
}
}
+
+static inline pgprot_t __vm_get_page_prot(unsigned long vm_flags)
+{
+ switch (vm_flags & (VM_READ | VM_WRITE | VM_EXEC | VM_SHARED)) {
+ case VM_NONE:
+ return PAGE_NONE;
+ case VM_READ:
+ return PAGE_READONLY;
+ case VM_WRITE:
+ case VM_WRITE | VM_READ:
+ return PAGE_COPY;
+ case VM_EXEC:
+ case VM_EXEC | VM_READ:
+ return PAGE_READONLY_X;
+ case VM_EXEC | VM_WRITE:
+ case VM_EXEC | VM_WRITE | VM_READ:
+ return PAGE_COPY_X;
+ case VM_SHARED:
+ return PAGE_NONE;
+ case VM_SHARED | VM_READ:
+ return PAGE_READONLY;
+ case VM_SHARED | VM_WRITE:
+ case VM_SHARED | VM_WRITE | VM_READ:
+ return PAGE_SHARED;
+ case VM_SHARED | VM_EXEC:
+ case VM_SHARED | VM_EXEC | VM_READ:
+ return PAGE_READONLY_X;
+ case VM_SHARED | VM_EXEC | VM_WRITE:
+ case VM_SHARED | VM_EXEC | VM_WRITE | VM_READ:
+ return PAGE_SHARED_X;
+ default:
+ BUILD_BUG();
+ }
+}
+
+#ifdef CONFIG_PPC64
+static pgprot_t powerpc_vm_get_page_prot(unsigned long vm_flags)
+{
+#ifdef CONFIG_PPC_MEM_KEYS
+ return (vm_flags & VM_SAO) ?
+ __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) :
+ __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags));
+#else
+ return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
+#endif
+}
+#else
+static pgprot_t powerpc_vm_get_page_prot(unsigned long vm_flags)
+{
+ return __pgprot(0);
+}
+#endif /* CONFIG_PPC64 */
+
+pgprot_t vm_get_page_prot(unsigned long vm_flags)
+{
+ return __pgprot(pgprot_val(__vm_get_page_prot(vm_flags)) |
+ pgprot_val(powerpc_vm_get_page_prot(vm_flags)));
+}
+EXPORT_SYMBOL(vm_get_page_prot);
--
2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-mm@kvack.org, akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org, geert@linux-m68k.org,
Anshuman Khandual <anshuman.khandual@arm.com>,
Christoph Hellwig <hch@infradead.org>,
linuxppc-dev@lists.ozlabs.org,
linux-arm-kernel@lists.infradead.org, sparclinux@vger.kernel.org,
linux-mips@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-s390@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-alpha@vger.kernel.org, linux-sh@vger.kernel.org,
linux-snps-arc@lists.infradead.org, linux-csky@vger.kernel.org,
linux-xtensa@linux-xtensa.org, linux-parisc@vger.kernel.org,
openrisc@lists.librecores.org, linux-um@lists.infradead.org,
linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org,
linux-arch@vger.kernel.org, Michael Ellerman <mpe@ellerman.id.au>,
Paul Mackerras <paulus@samba.org>
Subject: [PATCH V3 04/30] powerpc/mm: Enable ARCH_HAS_VM_GET_PAGE_PROT
Date: Mon, 28 Feb 2022 16:17:27 +0530 [thread overview]
Message-ID: <1646045273-9343-5-git-send-email-anshuman.khandual@arm.com> (raw)
In-Reply-To: <1646045273-9343-1-git-send-email-anshuman.khandual@arm.com>
This defines and exports a platform specific custom vm_get_page_prot() via
subscribing ARCH_HAS_VM_GET_PAGE_PROT. Subsequently all __SXXX and __PXXX
macros can be dropped which are no longer needed. While here, this also
localizes arch_vm_get_page_prot() as powerpc_vm_get_page_prot() and moves
it near vm_get_page_prot().
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
arch/powerpc/Kconfig | 1 +
arch/powerpc/include/asm/mman.h | 12 ------
arch/powerpc/include/asm/pgtable.h | 19 ----------
arch/powerpc/mm/mmap.c | 59 ++++++++++++++++++++++++++++++
4 files changed, 60 insertions(+), 31 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b779603978e1..ddb4a3687c05 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -135,6 +135,7 @@ config PPC
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_UACCESS_FLUSHCACHE
select ARCH_HAS_UBSAN_SANITIZE_ALL
+ select ARCH_HAS_VM_GET_PAGE_PROT
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_KEEP_MEMBLOCK
select ARCH_MIGHT_HAVE_PC_PARPORT
diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h
index 7cb6d18f5cd6..1b024e64c8ec 100644
--- a/arch/powerpc/include/asm/mman.h
+++ b/arch/powerpc/include/asm/mman.h
@@ -24,18 +24,6 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
}
#define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey)
-static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
-{
-#ifdef CONFIG_PPC_MEM_KEYS
- return (vm_flags & VM_SAO) ?
- __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) :
- __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags));
-#else
- return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
-#endif
-}
-#define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags)
-
static inline bool arch_validate_prot(unsigned long prot, unsigned long addr)
{
if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM | PROT_SAO))
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index d564d0ecd4cd..3cbb6de20f9d 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -20,25 +20,6 @@ struct mm_struct;
#include <asm/nohash/pgtable.h>
#endif /* !CONFIG_PPC_BOOK3S */
-/* Note due to the way vm flags are laid out, the bits are XWR */
-#define __P000 PAGE_NONE
-#define __P001 PAGE_READONLY
-#define __P010 PAGE_COPY
-#define __P011 PAGE_COPY
-#define __P100 PAGE_READONLY_X
-#define __P101 PAGE_READONLY_X
-#define __P110 PAGE_COPY_X
-#define __P111 PAGE_COPY_X
-
-#define __S000 PAGE_NONE
-#define __S001 PAGE_READONLY
-#define __S010 PAGE_SHARED
-#define __S011 PAGE_SHARED
-#define __S100 PAGE_READONLY_X
-#define __S101 PAGE_READONLY_X
-#define __S110 PAGE_SHARED_X
-#define __S111 PAGE_SHARED_X
-
#ifndef __ASSEMBLY__
#ifndef MAX_PTRS_PER_PGD
diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c
index c475cf810aa8..ee275937fe19 100644
--- a/arch/powerpc/mm/mmap.c
+++ b/arch/powerpc/mm/mmap.c
@@ -254,3 +254,62 @@ void arch_pick_mmap_layout(struct mm_struct *mm, struct rlimit *rlim_stack)
mm->get_unmapped_area = arch_get_unmapped_area_topdown;
}
}
+
+static inline pgprot_t __vm_get_page_prot(unsigned long vm_flags)
+{
+ switch (vm_flags & (VM_READ | VM_WRITE | VM_EXEC | VM_SHARED)) {
+ case VM_NONE:
+ return PAGE_NONE;
+ case VM_READ:
+ return PAGE_READONLY;
+ case VM_WRITE:
+ case VM_WRITE | VM_READ:
+ return PAGE_COPY;
+ case VM_EXEC:
+ case VM_EXEC | VM_READ:
+ return PAGE_READONLY_X;
+ case VM_EXEC | VM_WRITE:
+ case VM_EXEC | VM_WRITE | VM_READ:
+ return PAGE_COPY_X;
+ case VM_SHARED:
+ return PAGE_NONE;
+ case VM_SHARED | VM_READ:
+ return PAGE_READONLY;
+ case VM_SHARED | VM_WRITE:
+ case VM_SHARED | VM_WRITE | VM_READ:
+ return PAGE_SHARED;
+ case VM_SHARED | VM_EXEC:
+ case VM_SHARED | VM_EXEC | VM_READ:
+ return PAGE_READONLY_X;
+ case VM_SHARED | VM_EXEC | VM_WRITE:
+ case VM_SHARED | VM_EXEC | VM_WRITE | VM_READ:
+ return PAGE_SHARED_X;
+ default:
+ BUILD_BUG();
+ }
+}
+
+#ifdef CONFIG_PPC64
+static pgprot_t powerpc_vm_get_page_prot(unsigned long vm_flags)
+{
+#ifdef CONFIG_PPC_MEM_KEYS
+ return (vm_flags & VM_SAO) ?
+ __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) :
+ __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags));
+#else
+ return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
+#endif
+}
+#else
+static pgprot_t powerpc_vm_get_page_prot(unsigned long vm_flags)
+{
+ return __pgprot(0);
+}
+#endif /* CONFIG_PPC64 */
+
+pgprot_t vm_get_page_prot(unsigned long vm_flags)
+{
+ return __pgprot(pgprot_val(__vm_get_page_prot(vm_flags)) |
+ pgprot_val(powerpc_vm_get_page_prot(vm_flags)));
+}
+EXPORT_SYMBOL(vm_get_page_prot);
--
2.25.1
_______________________________________________
linux-snps-arc mailing list
linux-snps-arc@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-snps-arc
WARNING: multiple messages have this Message-ID (diff)
From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-mm@kvack.org, akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org, geert@linux-m68k.org,
Anshuman Khandual <anshuman.khandual@arm.com>,
Christoph Hellwig <hch@infradead.org>,
linuxppc-dev@lists.ozlabs.org,
linux-arm-kernel@lists.infradead.org, sparclinux@vger.kernel.org,
linux-mips@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-s390@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-alpha@vger.kernel.org, linux-sh@vger.kernel.org,
linux-snps-arc@lists.infradead.org, linux-csky@vger.kernel.org,
linux-xtensa@linux-xtensa.org, linux-parisc@vger.kernel.org,
openrisc@lists.librecores.org, linux-um@lists.infradead.org,
linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org,
linux-arch@vger.kernel.org, Michael Ellerman <mpe@ellerman.id.au>,
Paul Mackerras <paulus@samba.org>
Subject: [PATCH V3 04/30] powerpc/mm: Enable ARCH_HAS_VM_GET_PAGE_PROT
Date: Mon, 28 Feb 2022 16:17:27 +0530 [thread overview]
Message-ID: <1646045273-9343-5-git-send-email-anshuman.khandual@arm.com> (raw)
In-Reply-To: <1646045273-9343-1-git-send-email-anshuman.khandual@arm.com>
This defines and exports a platform specific custom vm_get_page_prot() via
subscribing ARCH_HAS_VM_GET_PAGE_PROT. Subsequently all __SXXX and __PXXX
macros can be dropped which are no longer needed. While here, this also
localizes arch_vm_get_page_prot() as powerpc_vm_get_page_prot() and moves
it near vm_get_page_prot().
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
arch/powerpc/Kconfig | 1 +
arch/powerpc/include/asm/mman.h | 12 ------
arch/powerpc/include/asm/pgtable.h | 19 ----------
arch/powerpc/mm/mmap.c | 59 ++++++++++++++++++++++++++++++
4 files changed, 60 insertions(+), 31 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b779603978e1..ddb4a3687c05 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -135,6 +135,7 @@ config PPC
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_UACCESS_FLUSHCACHE
select ARCH_HAS_UBSAN_SANITIZE_ALL
+ select ARCH_HAS_VM_GET_PAGE_PROT
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_KEEP_MEMBLOCK
select ARCH_MIGHT_HAVE_PC_PARPORT
diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h
index 7cb6d18f5cd6..1b024e64c8ec 100644
--- a/arch/powerpc/include/asm/mman.h
+++ b/arch/powerpc/include/asm/mman.h
@@ -24,18 +24,6 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
}
#define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey)
-static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
-{
-#ifdef CONFIG_PPC_MEM_KEYS
- return (vm_flags & VM_SAO) ?
- __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) :
- __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags));
-#else
- return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
-#endif
-}
-#define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags)
-
static inline bool arch_validate_prot(unsigned long prot, unsigned long addr)
{
if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM | PROT_SAO))
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index d564d0ecd4cd..3cbb6de20f9d 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -20,25 +20,6 @@ struct mm_struct;
#include <asm/nohash/pgtable.h>
#endif /* !CONFIG_PPC_BOOK3S */
-/* Note due to the way vm flags are laid out, the bits are XWR */
-#define __P000 PAGE_NONE
-#define __P001 PAGE_READONLY
-#define __P010 PAGE_COPY
-#define __P011 PAGE_COPY
-#define __P100 PAGE_READONLY_X
-#define __P101 PAGE_READONLY_X
-#define __P110 PAGE_COPY_X
-#define __P111 PAGE_COPY_X
-
-#define __S000 PAGE_NONE
-#define __S001 PAGE_READONLY
-#define __S010 PAGE_SHARED
-#define __S011 PAGE_SHARED
-#define __S100 PAGE_READONLY_X
-#define __S101 PAGE_READONLY_X
-#define __S110 PAGE_SHARED_X
-#define __S111 PAGE_SHARED_X
-
#ifndef __ASSEMBLY__
#ifndef MAX_PTRS_PER_PGD
diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c
index c475cf810aa8..ee275937fe19 100644
--- a/arch/powerpc/mm/mmap.c
+++ b/arch/powerpc/mm/mmap.c
@@ -254,3 +254,62 @@ void arch_pick_mmap_layout(struct mm_struct *mm, struct rlimit *rlim_stack)
mm->get_unmapped_area = arch_get_unmapped_area_topdown;
}
}
+
+static inline pgprot_t __vm_get_page_prot(unsigned long vm_flags)
+{
+ switch (vm_flags & (VM_READ | VM_WRITE | VM_EXEC | VM_SHARED)) {
+ case VM_NONE:
+ return PAGE_NONE;
+ case VM_READ:
+ return PAGE_READONLY;
+ case VM_WRITE:
+ case VM_WRITE | VM_READ:
+ return PAGE_COPY;
+ case VM_EXEC:
+ case VM_EXEC | VM_READ:
+ return PAGE_READONLY_X;
+ case VM_EXEC | VM_WRITE:
+ case VM_EXEC | VM_WRITE | VM_READ:
+ return PAGE_COPY_X;
+ case VM_SHARED:
+ return PAGE_NONE;
+ case VM_SHARED | VM_READ:
+ return PAGE_READONLY;
+ case VM_SHARED | VM_WRITE:
+ case VM_SHARED | VM_WRITE | VM_READ:
+ return PAGE_SHARED;
+ case VM_SHARED | VM_EXEC:
+ case VM_SHARED | VM_EXEC | VM_READ:
+ return PAGE_READONLY_X;
+ case VM_SHARED | VM_EXEC | VM_WRITE:
+ case VM_SHARED | VM_EXEC | VM_WRITE | VM_READ:
+ return PAGE_SHARED_X;
+ default:
+ BUILD_BUG();
+ }
+}
+
+#ifdef CONFIG_PPC64
+static pgprot_t powerpc_vm_get_page_prot(unsigned long vm_flags)
+{
+#ifdef CONFIG_PPC_MEM_KEYS
+ return (vm_flags & VM_SAO) ?
+ __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) :
+ __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags));
+#else
+ return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
+#endif
+}
+#else
+static pgprot_t powerpc_vm_get_page_prot(unsigned long vm_flags)
+{
+ return __pgprot(0);
+}
+#endif /* CONFIG_PPC64 */
+
+pgprot_t vm_get_page_prot(unsigned long vm_flags)
+{
+ return __pgprot(pgprot_val(__vm_get_page_prot(vm_flags)) |
+ pgprot_val(powerpc_vm_get_page_prot(vm_flags)));
+}
+EXPORT_SYMBOL(vm_get_page_prot);
--
2.25.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Anshuman Khandual <anshuman.khandual@arm.com>
To: openrisc@lists.librecores.org
Subject: [OpenRISC] [PATCH V3 04/30] powerpc/mm: Enable ARCH_HAS_VM_GET_PAGE_PROT
Date: Mon, 28 Feb 2022 16:17:27 +0530 [thread overview]
Message-ID: <1646045273-9343-5-git-send-email-anshuman.khandual@arm.com> (raw)
In-Reply-To: <1646045273-9343-1-git-send-email-anshuman.khandual@arm.com>
This defines and exports a platform specific custom vm_get_page_prot() via
subscribing ARCH_HAS_VM_GET_PAGE_PROT. Subsequently all __SXXX and __PXXX
macros can be dropped which are no longer needed. While here, this also
localizes arch_vm_get_page_prot() as powerpc_vm_get_page_prot() and moves
it near vm_get_page_prot().
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev at lists.ozlabs.org
Cc: linux-kernel at vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
arch/powerpc/Kconfig | 1 +
arch/powerpc/include/asm/mman.h | 12 ------
arch/powerpc/include/asm/pgtable.h | 19 ----------
arch/powerpc/mm/mmap.c | 59 ++++++++++++++++++++++++++++++
4 files changed, 60 insertions(+), 31 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b779603978e1..ddb4a3687c05 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -135,6 +135,7 @@ config PPC
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_UACCESS_FLUSHCACHE
select ARCH_HAS_UBSAN_SANITIZE_ALL
+ select ARCH_HAS_VM_GET_PAGE_PROT
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_KEEP_MEMBLOCK
select ARCH_MIGHT_HAVE_PC_PARPORT
diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h
index 7cb6d18f5cd6..1b024e64c8ec 100644
--- a/arch/powerpc/include/asm/mman.h
+++ b/arch/powerpc/include/asm/mman.h
@@ -24,18 +24,6 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
}
#define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey)
-static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
-{
-#ifdef CONFIG_PPC_MEM_KEYS
- return (vm_flags & VM_SAO) ?
- __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) :
- __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags));
-#else
- return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
-#endif
-}
-#define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags)
-
static inline bool arch_validate_prot(unsigned long prot, unsigned long addr)
{
if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM | PROT_SAO))
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index d564d0ecd4cd..3cbb6de20f9d 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -20,25 +20,6 @@ struct mm_struct;
#include <asm/nohash/pgtable.h>
#endif /* !CONFIG_PPC_BOOK3S */
-/* Note due to the way vm flags are laid out, the bits are XWR */
-#define __P000 PAGE_NONE
-#define __P001 PAGE_READONLY
-#define __P010 PAGE_COPY
-#define __P011 PAGE_COPY
-#define __P100 PAGE_READONLY_X
-#define __P101 PAGE_READONLY_X
-#define __P110 PAGE_COPY_X
-#define __P111 PAGE_COPY_X
-
-#define __S000 PAGE_NONE
-#define __S001 PAGE_READONLY
-#define __S010 PAGE_SHARED
-#define __S011 PAGE_SHARED
-#define __S100 PAGE_READONLY_X
-#define __S101 PAGE_READONLY_X
-#define __S110 PAGE_SHARED_X
-#define __S111 PAGE_SHARED_X
-
#ifndef __ASSEMBLY__
#ifndef MAX_PTRS_PER_PGD
diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c
index c475cf810aa8..ee275937fe19 100644
--- a/arch/powerpc/mm/mmap.c
+++ b/arch/powerpc/mm/mmap.c
@@ -254,3 +254,62 @@ void arch_pick_mmap_layout(struct mm_struct *mm, struct rlimit *rlim_stack)
mm->get_unmapped_area = arch_get_unmapped_area_topdown;
}
}
+
+static inline pgprot_t __vm_get_page_prot(unsigned long vm_flags)
+{
+ switch (vm_flags & (VM_READ | VM_WRITE | VM_EXEC | VM_SHARED)) {
+ case VM_NONE:
+ return PAGE_NONE;
+ case VM_READ:
+ return PAGE_READONLY;
+ case VM_WRITE:
+ case VM_WRITE | VM_READ:
+ return PAGE_COPY;
+ case VM_EXEC:
+ case VM_EXEC | VM_READ:
+ return PAGE_READONLY_X;
+ case VM_EXEC | VM_WRITE:
+ case VM_EXEC | VM_WRITE | VM_READ:
+ return PAGE_COPY_X;
+ case VM_SHARED:
+ return PAGE_NONE;
+ case VM_SHARED | VM_READ:
+ return PAGE_READONLY;
+ case VM_SHARED | VM_WRITE:
+ case VM_SHARED | VM_WRITE | VM_READ:
+ return PAGE_SHARED;
+ case VM_SHARED | VM_EXEC:
+ case VM_SHARED | VM_EXEC | VM_READ:
+ return PAGE_READONLY_X;
+ case VM_SHARED | VM_EXEC | VM_WRITE:
+ case VM_SHARED | VM_EXEC | VM_WRITE | VM_READ:
+ return PAGE_SHARED_X;
+ default:
+ BUILD_BUG();
+ }
+}
+
+#ifdef CONFIG_PPC64
+static pgprot_t powerpc_vm_get_page_prot(unsigned long vm_flags)
+{
+#ifdef CONFIG_PPC_MEM_KEYS
+ return (vm_flags & VM_SAO) ?
+ __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) :
+ __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags));
+#else
+ return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
+#endif
+}
+#else
+static pgprot_t powerpc_vm_get_page_prot(unsigned long vm_flags)
+{
+ return __pgprot(0);
+}
+#endif /* CONFIG_PPC64 */
+
+pgprot_t vm_get_page_prot(unsigned long vm_flags)
+{
+ return __pgprot(pgprot_val(__vm_get_page_prot(vm_flags)) |
+ pgprot_val(powerpc_vm_get_page_prot(vm_flags)));
+}
+EXPORT_SYMBOL(vm_get_page_prot);
--
2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-mm@kvack.org, akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org, geert@linux-m68k.org,
Anshuman Khandual <anshuman.khandual@arm.com>,
Christoph Hellwig <hch@infradead.org>,
linuxppc-dev@lists.ozlabs.org,
linux-arm-kernel@lists.infradead.org, sparclinux@vger.kernel.org,
linux-mips@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-s390@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-alpha@vger.kernel.org, linux-sh@vger.kernel.org,
linux-snps-arc@lists.infradead.org, linux-csky@vger.kernel.org,
linux-xtensa@linux-xtensa.org, linux-parisc@vger.kernel.org,
openrisc@lists.librecores.org, linux-um@lists.infradead.org,
linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org,
linux-arch@vger.kernel.org, Michael Ellerman <mpe@ellerman.id.au>,
Paul Mackerras <paulus@samba.org>
Subject: [PATCH V3 04/30] powerpc/mm: Enable ARCH_HAS_VM_GET_PAGE_PROT
Date: Mon, 28 Feb 2022 10:59:27 +0000 [thread overview]
Message-ID: <1646045273-9343-5-git-send-email-anshuman.khandual@arm.com> (raw)
In-Reply-To: <1646045273-9343-1-git-send-email-anshuman.khandual@arm.com>
This defines and exports a platform specific custom vm_get_page_prot() via
subscribing ARCH_HAS_VM_GET_PAGE_PROT. Subsequently all __SXXX and __PXXX
macros can be dropped which are no longer needed. While here, this also
localizes arch_vm_get_page_prot() as powerpc_vm_get_page_prot() and moves
it near vm_get_page_prot().
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
arch/powerpc/Kconfig | 1 +
arch/powerpc/include/asm/mman.h | 12 ------
arch/powerpc/include/asm/pgtable.h | 19 ----------
arch/powerpc/mm/mmap.c | 59 ++++++++++++++++++++++++++++++
4 files changed, 60 insertions(+), 31 deletions(-)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b779603978e1..ddb4a3687c05 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -135,6 +135,7 @@ config PPC
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_UACCESS_FLUSHCACHE
select ARCH_HAS_UBSAN_SANITIZE_ALL
+ select ARCH_HAS_VM_GET_PAGE_PROT
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_KEEP_MEMBLOCK
select ARCH_MIGHT_HAVE_PC_PARPORT
diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h
index 7cb6d18f5cd6..1b024e64c8ec 100644
--- a/arch/powerpc/include/asm/mman.h
+++ b/arch/powerpc/include/asm/mman.h
@@ -24,18 +24,6 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
}
#define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey)
-static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
-{
-#ifdef CONFIG_PPC_MEM_KEYS
- return (vm_flags & VM_SAO) ?
- __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) :
- __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags));
-#else
- return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
-#endif
-}
-#define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags)
-
static inline bool arch_validate_prot(unsigned long prot, unsigned long addr)
{
if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM | PROT_SAO))
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index d564d0ecd4cd..3cbb6de20f9d 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -20,25 +20,6 @@ struct mm_struct;
#include <asm/nohash/pgtable.h>
#endif /* !CONFIG_PPC_BOOK3S */
-/* Note due to the way vm flags are laid out, the bits are XWR */
-#define __P000 PAGE_NONE
-#define __P001 PAGE_READONLY
-#define __P010 PAGE_COPY
-#define __P011 PAGE_COPY
-#define __P100 PAGE_READONLY_X
-#define __P101 PAGE_READONLY_X
-#define __P110 PAGE_COPY_X
-#define __P111 PAGE_COPY_X
-
-#define __S000 PAGE_NONE
-#define __S001 PAGE_READONLY
-#define __S010 PAGE_SHARED
-#define __S011 PAGE_SHARED
-#define __S100 PAGE_READONLY_X
-#define __S101 PAGE_READONLY_X
-#define __S110 PAGE_SHARED_X
-#define __S111 PAGE_SHARED_X
-
#ifndef __ASSEMBLY__
#ifndef MAX_PTRS_PER_PGD
diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c
index c475cf810aa8..ee275937fe19 100644
--- a/arch/powerpc/mm/mmap.c
+++ b/arch/powerpc/mm/mmap.c
@@ -254,3 +254,62 @@ void arch_pick_mmap_layout(struct mm_struct *mm, struct rlimit *rlim_stack)
mm->get_unmapped_area = arch_get_unmapped_area_topdown;
}
}
+
+static inline pgprot_t __vm_get_page_prot(unsigned long vm_flags)
+{
+ switch (vm_flags & (VM_READ | VM_WRITE | VM_EXEC | VM_SHARED)) {
+ case VM_NONE:
+ return PAGE_NONE;
+ case VM_READ:
+ return PAGE_READONLY;
+ case VM_WRITE:
+ case VM_WRITE | VM_READ:
+ return PAGE_COPY;
+ case VM_EXEC:
+ case VM_EXEC | VM_READ:
+ return PAGE_READONLY_X;
+ case VM_EXEC | VM_WRITE:
+ case VM_EXEC | VM_WRITE | VM_READ:
+ return PAGE_COPY_X;
+ case VM_SHARED:
+ return PAGE_NONE;
+ case VM_SHARED | VM_READ:
+ return PAGE_READONLY;
+ case VM_SHARED | VM_WRITE:
+ case VM_SHARED | VM_WRITE | VM_READ:
+ return PAGE_SHARED;
+ case VM_SHARED | VM_EXEC:
+ case VM_SHARED | VM_EXEC | VM_READ:
+ return PAGE_READONLY_X;
+ case VM_SHARED | VM_EXEC | VM_WRITE:
+ case VM_SHARED | VM_EXEC | VM_WRITE | VM_READ:
+ return PAGE_SHARED_X;
+ default:
+ BUILD_BUG();
+ }
+}
+
+#ifdef CONFIG_PPC64
+static pgprot_t powerpc_vm_get_page_prot(unsigned long vm_flags)
+{
+#ifdef CONFIG_PPC_MEM_KEYS
+ return (vm_flags & VM_SAO) ?
+ __pgprot(_PAGE_SAO | vmflag_to_pte_pkey_bits(vm_flags)) :
+ __pgprot(0 | vmflag_to_pte_pkey_bits(vm_flags));
+#else
+ return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
+#endif
+}
+#else
+static pgprot_t powerpc_vm_get_page_prot(unsigned long vm_flags)
+{
+ return __pgprot(0);
+}
+#endif /* CONFIG_PPC64 */
+
+pgprot_t vm_get_page_prot(unsigned long vm_flags)
+{
+ return __pgprot(pgprot_val(__vm_get_page_prot(vm_flags)) |
+ pgprot_val(powerpc_vm_get_page_prot(vm_flags)));
+}
+EXPORT_SYMBOL(vm_get_page_prot);
--
2.25.1
next prev parent reply other threads:[~2022-02-28 10:49 UTC|newest]
Thread overview: 355+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-28 10:47 [PATCH V3 00/30] mm/mmap: Drop protection_map[] and platform's __SXXX/__PXXX requirements Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 01/30] mm/debug_vm_pgtable: Drop protection_map[] usage Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 02/30] mm/mmap: Clarify protection_map[] indices Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 03/30] mm/mmap: Add new config ARCH_HAS_VM_GET_PAGE_PROT Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual [this message]
2022-02-28 10:59 ` [PATCH V3 04/30] powerpc/mm: Enable ARCH_HAS_VM_GET_PAGE_PROT Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-03-02 5:23 ` Michael Ellerman
2022-03-02 5:23 ` Michael Ellerman
2022-03-02 5:23 ` [OpenRISC] " Michael Ellerman
2022-03-02 5:23 ` Michael Ellerman
2022-03-02 5:23 ` Michael Ellerman
2022-03-02 5:23 ` Michael Ellerman
2022-03-02 5:23 ` Michael Ellerman
2022-02-28 10:47 ` [PATCH V3 05/30] arm64/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-03-03 15:28 ` Catalin Marinas
2022-03-03 15:28 ` Catalin Marinas
2022-03-03 15:28 ` [OpenRISC] " Catalin Marinas
2022-03-03 15:28 ` Catalin Marinas
2022-03-03 15:28 ` Catalin Marinas
2022-03-03 15:28 ` Catalin Marinas
2022-03-03 15:28 ` Catalin Marinas
2022-03-09 11:31 ` Anshuman Khandual
2022-03-09 11:43 ` Anshuman Khandual
2022-03-09 11:31 ` [OpenRISC] " Anshuman Khandual
2022-03-09 11:31 ` Anshuman Khandual
2022-03-09 11:31 ` Anshuman Khandual
2022-03-09 11:31 ` Anshuman Khandual
2022-03-09 11:31 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 06/30] sparc/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 07/30] mips/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 08/30] m68k/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 09/30] arm/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:57 ` Russell King (Oracle)
2022-02-28 10:57 ` [OpenRISC] " Russell King
2022-02-28 10:57 ` Russell King (Oracle)
2022-02-28 10:57 ` Russell King (Oracle)
2022-02-28 10:57 ` Russell King (Oracle)
2022-02-28 10:57 ` Russell King (Oracle)
2022-02-28 13:49 ` Geert Uytterhoeven
2022-02-28 13:49 ` Geert Uytterhoeven
2022-02-28 13:49 ` Geert Uytterhoeven
2022-02-28 13:49 ` [OpenRISC] " Geert Uytterhoeven
2022-02-28 13:49 ` Geert Uytterhoeven
2022-02-28 13:49 ` Geert Uytterhoeven
2022-02-28 13:49 ` Geert Uytterhoeven
2022-02-28 13:49 ` Geert Uytterhoeven
2022-03-01 0:00 ` Anshuman Khandual
2022-03-01 0:12 ` Anshuman Khandual
2022-03-01 0:00 ` [OpenRISC] " Anshuman Khandual
2022-03-01 0:00 ` Anshuman Khandual
2022-03-01 0:00 ` Anshuman Khandual
2022-03-01 0:00 ` Anshuman Khandual
2022-03-01 0:00 ` Anshuman Khandual
2022-03-01 0:31 ` Russell King (Oracle)
2022-03-01 0:31 ` Russell King (Oracle)
2022-03-01 0:31 ` [OpenRISC] " Russell King
2022-03-01 0:31 ` Russell King (Oracle)
2022-03-01 0:31 ` Russell King (Oracle)
2022-03-01 0:31 ` Russell King (Oracle)
2022-03-01 0:31 ` Russell King (Oracle)
2022-03-01 8:16 ` Christophe Leroy
2022-03-01 8:16 ` Christophe Leroy
2022-03-01 8:16 ` Christophe Leroy
2022-03-01 8:16 ` [OpenRISC] " Christophe Leroy
2022-03-01 8:16 ` Christophe Leroy
2022-03-01 8:16 ` Christophe Leroy
2022-03-01 8:16 ` Christophe Leroy
2022-03-01 8:16 ` Christophe Leroy
2022-03-02 3:22 ` Anshuman Khandual
2022-03-02 3:34 ` Anshuman Khandual
2022-03-02 3:22 ` Anshuman Khandual
2022-03-02 3:22 ` [OpenRISC] " Anshuman Khandual
2022-03-02 3:22 ` Anshuman Khandual
2022-03-02 3:22 ` Anshuman Khandual
2022-03-02 3:22 ` Anshuman Khandual
2022-03-02 3:22 ` Anshuman Khandual
2022-03-02 7:05 ` Christophe Leroy
2022-03-02 7:05 ` Christophe Leroy
2022-03-02 7:05 ` Christophe Leroy
2022-03-02 7:05 ` [OpenRISC] " Christophe Leroy
2022-03-02 7:05 ` Christophe Leroy
2022-03-02 7:05 ` Christophe Leroy
2022-03-02 7:05 ` Christophe Leroy
2022-03-02 7:05 ` Christophe Leroy
2022-03-02 9:51 ` Anshuman Khandual
2022-03-02 9:51 ` Anshuman Khandual
2022-03-02 9:51 ` [OpenRISC] " Anshuman Khandual
2022-03-02 9:51 ` Anshuman Khandual
2022-03-02 9:51 ` Anshuman Khandual
2022-03-02 9:51 ` Anshuman Khandual
2022-03-02 9:51 ` Anshuman Khandual
2022-03-02 9:51 ` Anshuman Khandual
2022-03-02 10:05 ` Geert Uytterhoeven
2022-03-02 10:05 ` Geert Uytterhoeven
2022-03-02 10:05 ` Geert Uytterhoeven
2022-03-02 10:05 ` [OpenRISC] " Geert Uytterhoeven
2022-03-02 10:05 ` Geert Uytterhoeven
2022-03-02 10:05 ` Geert Uytterhoeven
2022-03-02 10:05 ` Geert Uytterhoeven
2022-03-02 10:05 ` Geert Uytterhoeven
2022-03-02 11:06 ` Anshuman Khandual
2022-03-02 11:18 ` Anshuman Khandual
2022-03-02 11:06 ` Anshuman Khandual
2022-03-02 11:06 ` [OpenRISC] " Anshuman Khandual
2022-03-02 11:06 ` Anshuman Khandual
2022-03-02 11:06 ` Anshuman Khandual
2022-03-02 11:06 ` Anshuman Khandual
2022-03-02 11:06 ` Anshuman Khandual
2022-03-02 11:14 ` Geert Uytterhoeven
2022-03-02 11:14 ` Geert Uytterhoeven
2022-03-02 11:14 ` Geert Uytterhoeven
2022-03-02 11:14 ` [OpenRISC] " Geert Uytterhoeven
2022-03-02 11:14 ` Geert Uytterhoeven
2022-03-02 11:14 ` Geert Uytterhoeven
2022-03-02 11:14 ` Geert Uytterhoeven
2022-03-02 11:14 ` Geert Uytterhoeven
2022-03-09 11:33 ` Anshuman Khandual
2022-03-09 11:45 ` Anshuman Khandual
2022-03-09 11:33 ` Anshuman Khandual
2022-03-09 11:33 ` [OpenRISC] " Anshuman Khandual
2022-03-09 11:33 ` Anshuman Khandual
2022-03-09 11:33 ` Anshuman Khandual
2022-03-09 11:33 ` Anshuman Khandual
2022-03-09 11:33 ` Anshuman Khandual
2022-03-02 11:19 ` Russell King (Oracle)
2022-03-02 11:19 ` Russell King (Oracle)
2022-03-02 11:19 ` Russell King (Oracle)
2022-03-02 11:19 ` [OpenRISC] " Russell King
2022-03-02 11:19 ` Russell King (Oracle)
2022-03-02 11:19 ` Russell King (Oracle)
2022-03-02 11:19 ` Russell King (Oracle)
2022-03-02 11:19 ` Russell King (Oracle)
2022-03-02 3:15 ` Anshuman Khandual
2022-03-02 3:27 ` Anshuman Khandual
2022-03-02 3:15 ` [OpenRISC] " Anshuman Khandual
2022-03-02 3:15 ` Anshuman Khandual
2022-03-02 3:15 ` Anshuman Khandual
2022-03-02 3:15 ` Anshuman Khandual
2022-03-02 3:15 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 10/30] x86/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 11/30] mm/mmap: Drop protection_map[] Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 12/30] mm/mmap: Drop arch_filter_pgprot() Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 13/30] mm/mmap: Drop arch_vm_get_page_pgprot() Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 14/30] s390/mm: Enable ARCH_HAS_VM_GET_PAGE_PROT Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 15/30] riscv/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 16/30] alpha/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 17/30] sh/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 18/30] arc/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 19/30] csky/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-03-01 14:00 ` Guo Ren
2022-03-01 14:00 ` Guo Ren
2022-03-01 14:00 ` Guo Ren
2022-03-01 14:00 ` [OpenRISC] " Guo Ren
2022-03-01 14:00 ` Guo Ren
2022-03-01 14:00 ` Guo Ren
2022-03-01 14:00 ` Guo Ren
2022-03-01 14:00 ` Guo Ren
2022-02-28 10:47 ` [PATCH V3 20/30] xtensa/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 21/30] parisc/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 22/30] openrisc/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 23/30] um/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 24/30] microblaze/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 25/30] nios2/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 26/30] hexagon/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 27/30] nds32/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 28/30] ia64/mm: " Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 29/30] mm/mmap: Drop generic vm_get_page_prot() Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` [PATCH V3 30/30] mm/mmap: Drop ARCH_HAS_VM_GET_PAGE_PROT Anshuman Khandual
2022-02-28 10:59 ` Anshuman Khandual
2022-02-28 10:47 ` [OpenRISC] " Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-02-28 10:47 ` Anshuman Khandual
2022-03-09 10:59 ` [PATCH V3 00/30] mm/mmap: Drop protection_map[] and platform's __SXXX/__PXXX requirements Anshuman Khandual
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