From: Andrey Konovalov <andreyknvl@google.com> To: Andrew Morton <akpm@linux-foundation.org> Cc: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Dmitry Vyukov <dvyukov@google.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Alexander Potapenko <glider@google.com>, Marco Elver <elver@google.com>, Evgenii Stepanov <eugenis@google.com>, Branislav Rankov <Branislav.Rankov@arm.com>, Kevin Brodsky <kevin.brodsky@arm.com>, kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov <andreyknvl@google.com> Subject: [PATCH mm v10 03/42] kasan: group vmalloc code Date: Fri, 13 Nov 2020 23:15:31 +0100 [thread overview] Message-ID: <62b55eaabb9bfb642989413fee2b9cd780b046ce.1605305705.git.andreyknvl@google.com> (raw) In-Reply-To: <cover.1605305705.git.andreyknvl@google.com> This is a preparatory commit for the upcoming addition of a new hardware tag-based (MTE-based) KASAN mode. Group all vmalloc-related function declarations in include/linux/kasan.h, and their implementations in mm/kasan/common.c. No functional changes. Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Reviewed-by: Marco Elver <elver@google.com> Reviewed-by: Alexander Potapenko <glider@google.com> --- Change-Id: Ie20b6c689203cd6de4fd7f2c465ec081c00c5f15 --- include/linux/kasan.h | 41 +++++++++++++---------- mm/kasan/common.c | 78 ++++++++++++++++++++++--------------------- 2 files changed, 63 insertions(+), 56 deletions(-) diff --git a/include/linux/kasan.h b/include/linux/kasan.h index 30d343b4a40a..59538e795df4 100644 --- a/include/linux/kasan.h +++ b/include/linux/kasan.h @@ -75,19 +75,6 @@ struct kasan_cache { int free_meta_offset; }; -/* - * These functions provide a special case to support backing module - * allocations with real shadow memory. With KASAN vmalloc, the special - * case is unnecessary, as the work is handled in the generic case. - */ -#ifndef CONFIG_KASAN_VMALLOC -int kasan_module_alloc(void *addr, size_t size); -void kasan_free_shadow(const struct vm_struct *vm); -#else -static inline int kasan_module_alloc(void *addr, size_t size) { return 0; } -static inline void kasan_free_shadow(const struct vm_struct *vm) {} -#endif - int kasan_add_zero_shadow(void *start, unsigned long size); void kasan_remove_zero_shadow(void *start, unsigned long size); @@ -156,9 +143,6 @@ static inline bool kasan_slab_free(struct kmem_cache *s, void *object, return false; } -static inline int kasan_module_alloc(void *addr, size_t size) { return 0; } -static inline void kasan_free_shadow(const struct vm_struct *vm) {} - static inline int kasan_add_zero_shadow(void *start, unsigned long size) { return 0; @@ -211,13 +195,16 @@ static inline void *kasan_reset_tag(const void *addr) #endif /* CONFIG_KASAN_SW_TAGS */ #ifdef CONFIG_KASAN_VMALLOC + int kasan_populate_vmalloc(unsigned long addr, unsigned long size); void kasan_poison_vmalloc(const void *start, unsigned long size); void kasan_unpoison_vmalloc(const void *start, unsigned long size); void kasan_release_vmalloc(unsigned long start, unsigned long end, unsigned long free_region_start, unsigned long free_region_end); -#else + +#else /* CONFIG_KASAN_VMALLOC */ + static inline int kasan_populate_vmalloc(unsigned long start, unsigned long size) { @@ -232,7 +219,25 @@ static inline void kasan_release_vmalloc(unsigned long start, unsigned long end, unsigned long free_region_start, unsigned long free_region_end) {} -#endif + +#endif /* CONFIG_KASAN_VMALLOC */ + +#if defined(CONFIG_KASAN) && !defined(CONFIG_KASAN_VMALLOC) + +/* + * These functions provide a special case to support backing module + * allocations with real shadow memory. With KASAN vmalloc, the special + * case is unnecessary, as the work is handled in the generic case. + */ +int kasan_module_alloc(void *addr, size_t size); +void kasan_free_shadow(const struct vm_struct *vm); + +#else /* CONFIG_KASAN && !CONFIG_KASAN_VMALLOC */ + +static inline int kasan_module_alloc(void *addr, size_t size) { return 0; } +static inline void kasan_free_shadow(const struct vm_struct *vm) {} + +#endif /* CONFIG_KASAN && !CONFIG_KASAN_VMALLOC */ #ifdef CONFIG_KASAN_INLINE void kasan_non_canonical_hook(unsigned long addr); diff --git a/mm/kasan/common.c b/mm/kasan/common.c index 578d34b12a21..f5739be60edc 100644 --- a/mm/kasan/common.c +++ b/mm/kasan/common.c @@ -555,44 +555,6 @@ void kasan_kfree_large(void *ptr, unsigned long ip) /* The object will be poisoned by page_alloc. */ } -#ifndef CONFIG_KASAN_VMALLOC -int kasan_module_alloc(void *addr, size_t size) -{ - void *ret; - size_t scaled_size; - size_t shadow_size; - unsigned long shadow_start; - - shadow_start = (unsigned long)kasan_mem_to_shadow(addr); - scaled_size = (size + KASAN_SHADOW_MASK) >> KASAN_SHADOW_SCALE_SHIFT; - shadow_size = round_up(scaled_size, PAGE_SIZE); - - if (WARN_ON(!PAGE_ALIGNED(shadow_start))) - return -EINVAL; - - ret = __vmalloc_node_range(shadow_size, 1, shadow_start, - shadow_start + shadow_size, - GFP_KERNEL, - PAGE_KERNEL, VM_NO_GUARD, NUMA_NO_NODE, - __builtin_return_address(0)); - - if (ret) { - __memset(ret, KASAN_SHADOW_INIT, shadow_size); - find_vm_area(addr)->flags |= VM_KASAN; - kmemleak_ignore(ret); - return 0; - } - - return -ENOMEM; -} - -void kasan_free_shadow(const struct vm_struct *vm) -{ - if (vm->flags & VM_KASAN) - vfree(kasan_mem_to_shadow(vm->addr)); -} -#endif - #ifdef CONFIG_MEMORY_HOTPLUG static bool shadow_mapped(unsigned long addr) { @@ -704,6 +666,7 @@ core_initcall(kasan_memhotplug_init); #endif #ifdef CONFIG_KASAN_VMALLOC + static int kasan_populate_vmalloc_pte(pte_t *ptep, unsigned long addr, void *unused) { @@ -942,4 +905,43 @@ void kasan_release_vmalloc(unsigned long start, unsigned long end, (unsigned long)shadow_end); } } + +#else /* CONFIG_KASAN_VMALLOC */ + +int kasan_module_alloc(void *addr, size_t size) +{ + void *ret; + size_t scaled_size; + size_t shadow_size; + unsigned long shadow_start; + + shadow_start = (unsigned long)kasan_mem_to_shadow(addr); + scaled_size = (size + KASAN_SHADOW_MASK) >> KASAN_SHADOW_SCALE_SHIFT; + shadow_size = round_up(scaled_size, PAGE_SIZE); + + if (WARN_ON(!PAGE_ALIGNED(shadow_start))) + return -EINVAL; + + ret = __vmalloc_node_range(shadow_size, 1, shadow_start, + shadow_start + shadow_size, + GFP_KERNEL, + PAGE_KERNEL, VM_NO_GUARD, NUMA_NO_NODE, + __builtin_return_address(0)); + + if (ret) { + __memset(ret, KASAN_SHADOW_INIT, shadow_size); + find_vm_area(addr)->flags |= VM_KASAN; + kmemleak_ignore(ret); + return 0; + } + + return -ENOMEM; +} + +void kasan_free_shadow(const struct vm_struct *vm) +{ + if (vm->flags & VM_KASAN) + vfree(kasan_mem_to_shadow(vm->addr)); +} + #endif -- 2.29.2.299.gdc1121823c-goog
WARNING: multiple messages have this Message-ID (diff)
From: Andrey Konovalov <andreyknvl@google.com> To: Andrew Morton <akpm@linux-foundation.org> Cc: linux-arm-kernel@lists.infradead.org, Marco Elver <elver@google.com>, Catalin Marinas <catalin.marinas@arm.com>, Kevin Brodsky <kevin.brodsky@arm.com>, Will Deacon <will.deacon@arm.com>, Branislav Rankov <Branislav.Rankov@arm.com>, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Alexander Potapenko <glider@google.com>, Evgenii Stepanov <eugenis@google.com>, Andrey Konovalov <andreyknvl@google.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Dmitry Vyukov <dvyukov@google.com> Subject: [PATCH mm v10 03/42] kasan: group vmalloc code Date: Fri, 13 Nov 2020 23:15:31 +0100 [thread overview] Message-ID: <62b55eaabb9bfb642989413fee2b9cd780b046ce.1605305705.git.andreyknvl@google.com> (raw) In-Reply-To: <cover.1605305705.git.andreyknvl@google.com> This is a preparatory commit for the upcoming addition of a new hardware tag-based (MTE-based) KASAN mode. Group all vmalloc-related function declarations in include/linux/kasan.h, and their implementations in mm/kasan/common.c. No functional changes. Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Reviewed-by: Marco Elver <elver@google.com> Reviewed-by: Alexander Potapenko <glider@google.com> --- Change-Id: Ie20b6c689203cd6de4fd7f2c465ec081c00c5f15 --- include/linux/kasan.h | 41 +++++++++++++---------- mm/kasan/common.c | 78 ++++++++++++++++++++++--------------------- 2 files changed, 63 insertions(+), 56 deletions(-) diff --git a/include/linux/kasan.h b/include/linux/kasan.h index 30d343b4a40a..59538e795df4 100644 --- a/include/linux/kasan.h +++ b/include/linux/kasan.h @@ -75,19 +75,6 @@ struct kasan_cache { int free_meta_offset; }; -/* - * These functions provide a special case to support backing module - * allocations with real shadow memory. With KASAN vmalloc, the special - * case is unnecessary, as the work is handled in the generic case. - */ -#ifndef CONFIG_KASAN_VMALLOC -int kasan_module_alloc(void *addr, size_t size); -void kasan_free_shadow(const struct vm_struct *vm); -#else -static inline int kasan_module_alloc(void *addr, size_t size) { return 0; } -static inline void kasan_free_shadow(const struct vm_struct *vm) {} -#endif - int kasan_add_zero_shadow(void *start, unsigned long size); void kasan_remove_zero_shadow(void *start, unsigned long size); @@ -156,9 +143,6 @@ static inline bool kasan_slab_free(struct kmem_cache *s, void *object, return false; } -static inline int kasan_module_alloc(void *addr, size_t size) { return 0; } -static inline void kasan_free_shadow(const struct vm_struct *vm) {} - static inline int kasan_add_zero_shadow(void *start, unsigned long size) { return 0; @@ -211,13 +195,16 @@ static inline void *kasan_reset_tag(const void *addr) #endif /* CONFIG_KASAN_SW_TAGS */ #ifdef CONFIG_KASAN_VMALLOC + int kasan_populate_vmalloc(unsigned long addr, unsigned long size); void kasan_poison_vmalloc(const void *start, unsigned long size); void kasan_unpoison_vmalloc(const void *start, unsigned long size); void kasan_release_vmalloc(unsigned long start, unsigned long end, unsigned long free_region_start, unsigned long free_region_end); -#else + +#else /* CONFIG_KASAN_VMALLOC */ + static inline int kasan_populate_vmalloc(unsigned long start, unsigned long size) { @@ -232,7 +219,25 @@ static inline void kasan_release_vmalloc(unsigned long start, unsigned long end, unsigned long free_region_start, unsigned long free_region_end) {} -#endif + +#endif /* CONFIG_KASAN_VMALLOC */ + +#if defined(CONFIG_KASAN) && !defined(CONFIG_KASAN_VMALLOC) + +/* + * These functions provide a special case to support backing module + * allocations with real shadow memory. With KASAN vmalloc, the special + * case is unnecessary, as the work is handled in the generic case. + */ +int kasan_module_alloc(void *addr, size_t size); +void kasan_free_shadow(const struct vm_struct *vm); + +#else /* CONFIG_KASAN && !CONFIG_KASAN_VMALLOC */ + +static inline int kasan_module_alloc(void *addr, size_t size) { return 0; } +static inline void kasan_free_shadow(const struct vm_struct *vm) {} + +#endif /* CONFIG_KASAN && !CONFIG_KASAN_VMALLOC */ #ifdef CONFIG_KASAN_INLINE void kasan_non_canonical_hook(unsigned long addr); diff --git a/mm/kasan/common.c b/mm/kasan/common.c index 578d34b12a21..f5739be60edc 100644 --- a/mm/kasan/common.c +++ b/mm/kasan/common.c @@ -555,44 +555,6 @@ void kasan_kfree_large(void *ptr, unsigned long ip) /* The object will be poisoned by page_alloc. */ } -#ifndef CONFIG_KASAN_VMALLOC -int kasan_module_alloc(void *addr, size_t size) -{ - void *ret; - size_t scaled_size; - size_t shadow_size; - unsigned long shadow_start; - - shadow_start = (unsigned long)kasan_mem_to_shadow(addr); - scaled_size = (size + KASAN_SHADOW_MASK) >> KASAN_SHADOW_SCALE_SHIFT; - shadow_size = round_up(scaled_size, PAGE_SIZE); - - if (WARN_ON(!PAGE_ALIGNED(shadow_start))) - return -EINVAL; - - ret = __vmalloc_node_range(shadow_size, 1, shadow_start, - shadow_start + shadow_size, - GFP_KERNEL, - PAGE_KERNEL, VM_NO_GUARD, NUMA_NO_NODE, - __builtin_return_address(0)); - - if (ret) { - __memset(ret, KASAN_SHADOW_INIT, shadow_size); - find_vm_area(addr)->flags |= VM_KASAN; - kmemleak_ignore(ret); - return 0; - } - - return -ENOMEM; -} - -void kasan_free_shadow(const struct vm_struct *vm) -{ - if (vm->flags & VM_KASAN) - vfree(kasan_mem_to_shadow(vm->addr)); -} -#endif - #ifdef CONFIG_MEMORY_HOTPLUG static bool shadow_mapped(unsigned long addr) { @@ -704,6 +666,7 @@ core_initcall(kasan_memhotplug_init); #endif #ifdef CONFIG_KASAN_VMALLOC + static int kasan_populate_vmalloc_pte(pte_t *ptep, unsigned long addr, void *unused) { @@ -942,4 +905,43 @@ void kasan_release_vmalloc(unsigned long start, unsigned long end, (unsigned long)shadow_end); } } + +#else /* CONFIG_KASAN_VMALLOC */ + +int kasan_module_alloc(void *addr, size_t size) +{ + void *ret; + size_t scaled_size; + size_t shadow_size; + unsigned long shadow_start; + + shadow_start = (unsigned long)kasan_mem_to_shadow(addr); + scaled_size = (size + KASAN_SHADOW_MASK) >> KASAN_SHADOW_SCALE_SHIFT; + shadow_size = round_up(scaled_size, PAGE_SIZE); + + if (WARN_ON(!PAGE_ALIGNED(shadow_start))) + return -EINVAL; + + ret = __vmalloc_node_range(shadow_size, 1, shadow_start, + shadow_start + shadow_size, + GFP_KERNEL, + PAGE_KERNEL, VM_NO_GUARD, NUMA_NO_NODE, + __builtin_return_address(0)); + + if (ret) { + __memset(ret, KASAN_SHADOW_INIT, shadow_size); + find_vm_area(addr)->flags |= VM_KASAN; + kmemleak_ignore(ret); + return 0; + } + + return -ENOMEM; +} + +void kasan_free_shadow(const struct vm_struct *vm) +{ + if (vm->flags & VM_KASAN) + vfree(kasan_mem_to_shadow(vm->addr)); +} + #endif -- 2.29.2.299.gdc1121823c-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-11-13 22:22 UTC|newest] Thread overview: 155+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-13 22:15 [PATCH mm v10 00/42] kasan: add hardware tag-based mode for arm64 Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 01/42] kasan: drop unnecessary GPL text from comment headers Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 02/42] kasan: KASAN_VMALLOC depends on KASAN_GENERIC Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov [this message] 2020-11-13 22:15 ` [PATCH mm v10 03/42] kasan: group vmalloc code Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 04/42] kasan: shadow declarations only for software modes Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 05/42] kasan: rename (un)poison_shadow to (un)poison_range Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-18 15:30 ` Alexander Potapenko 2020-11-18 15:30 ` Alexander Potapenko 2020-11-18 15:30 ` Alexander Potapenko 2020-11-13 22:15 ` [PATCH mm v10 06/42] kasan: rename KASAN_SHADOW_* to KASAN_GRANULE_* Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 07/42] kasan: only build init.c for software modes Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 08/42] kasan: split out shadow.c from common.c Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 09/42] kasan: define KASAN_MEMORY_PER_SHADOW_PAGE Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-18 15:36 ` Alexander Potapenko 2020-11-18 15:36 ` Alexander Potapenko 2020-11-18 15:36 ` Alexander Potapenko 2020-11-13 22:15 ` [PATCH mm v10 10/42] kasan: rename report and tags files Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 11/42] kasan: don't duplicate config dependencies Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 12/42] kasan: hide invalid free check implementation Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 13/42] kasan: decode stack frame only with KASAN_STACK_ENABLE Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 14/42] kasan, arm64: only init shadow for software modes Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 15/42] kasan, arm64: only use kasan_depth " Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 16/42] kasan, arm64: move initialization message Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 17/42] kasan, arm64: rename kasan_init_tags and mark as __init Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 18/42] kasan: rename addr_has_shadow to addr_has_metadata Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 19/42] kasan: rename print_shadow_for_address to print_memory_metadata Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 20/42] kasan: rename SHADOW layout macros to META Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 21/42] kasan: separate metadata_fetch_row for each mode Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 22/42] kasan, arm64: don't allow SW_TAGS with ARM64_MTE Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 23/42] kasan: introduce CONFIG_KASAN_HW_TAGS Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-18 16:04 ` Alexander Potapenko 2020-11-18 16:04 ` Alexander Potapenko 2020-11-18 16:04 ` Alexander Potapenko 2020-11-13 22:15 ` [PATCH mm v10 24/42] arm64: Enable armv8.5-a asm-arch option Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-18 15:48 ` Alexander Potapenko 2020-11-18 15:48 ` Alexander Potapenko 2020-11-18 15:48 ` Alexander Potapenko 2020-11-13 22:15 ` [PATCH mm v10 25/42] arm64: mte: Add in-kernel MTE helpers Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 26/42] arm64: mte: Reset the page tag in page->flags Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-14 12:43 ` Catalin Marinas 2020-11-14 12:43 ` Catalin Marinas 2020-11-13 22:15 ` [PATCH mm v10 27/42] arm64: mte: Add in-kernel tag fault handler Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 28/42] arm64: kasan: Allow enabling in-kernel MTE Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-14 12:47 ` Catalin Marinas 2020-11-14 12:47 ` Catalin Marinas 2020-11-13 22:15 ` [PATCH mm v10 29/42] arm64: mte: Convert gcr_user into an exclude mask Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 30/42] arm64: mte: Switch GCR_EL1 in kernel entry and exit Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` [PATCH mm v10 31/42] kasan, mm: untag page address in free_reserved_area Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-13 22:15 ` Andrey Konovalov 2020-11-18 16:07 ` Alexander Potapenko 2020-11-18 16:07 ` Alexander Potapenko 2020-11-18 16:07 ` Alexander Potapenko 2020-11-13 22:16 ` [PATCH mm v10 32/42] arm64: kasan: Align allocations for HW_TAGS Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` [PATCH mm v10 33/42] arm64: kasan: Add arch layer for memory tagging helpers Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` [PATCH mm v10 34/42] kasan: define KASAN_GRANULE_SIZE for HW_TAGS Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` [PATCH mm v10 35/42] kasan, x86, s390: update undef CONFIG_KASAN Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` [PATCH mm v10 36/42] kasan, arm64: expand CONFIG_KASAN checks Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` [PATCH mm v10 37/42] kasan, arm64: implement HW_TAGS runtime Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` [PATCH mm v10 38/42] kasan, arm64: print report from tag fault handler Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` [PATCH mm v10 39/42] kasan, mm: reset tags when accessing metadata Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` [PATCH mm v10 40/42] kasan, arm64: enable CONFIG_KASAN_HW_TAGS Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` [PATCH mm v10 41/42] kasan: add documentation for hardware tag-based mode Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-18 15:43 ` Alexander Potapenko 2020-11-18 15:43 ` Alexander Potapenko 2020-11-18 15:43 ` Alexander Potapenko 2020-11-13 22:16 ` [PATCH mm v10 42/42] kselftest/arm64: Check GCR_EL1 after context switch Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 22:16 ` Andrey Konovalov 2020-11-13 23:35 ` [PATCH mm v10 00/42] kasan: add hardware tag-based mode for arm64 Andrew Morton 2020-11-13 23:35 ` Andrew Morton 2020-11-16 14:48 ` Vincenzo Frascino 2020-11-16 14:48 ` Vincenzo Frascino
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