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authorAndrey Konovalov <andreyknvl@google.com>2021-02-26 04:20:35 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-02-26 20:41:03 +0300
commitc80a03664e154b7263af1c4dd53f42221d0c8283 (patch)
treea49a28ac424e5f42a95f00583dc191098827fdf3 /mm/kasan
parent2cb34276427a093e2d7cc6ea63ac447bad1ff4c1 (diff)
downloadlinux-c80a03664e154b7263af1c4dd53f42221d0c8283.tar.xz
kasan: inline HW_TAGS helper functions
Mark all static functions in common.c and kasan.h that are used for hardware tag-based KASAN as inline to avoid unnecessary function calls. Link: https://lkml.kernel.org/r/2c94a2af0657f2b95b9337232339ff5ffa643ab5.1612546384.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Reviewed-by: Marco Elver <elver@google.com> Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Branislav Rankov <Branislav.Rankov@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Evgenii Stepanov <eugenis@google.com> Cc: Kevin Brodsky <kevin.brodsky@arm.com> Cc: Peter Collingbourne <pcc@google.com> Cc: Vincenzo Frascino <vincenzo.frascino@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/kasan')
-rw-r--r--mm/kasan/common.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index dec7375fb884..b5e08d4cefec 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -279,7 +279,8 @@ void __kasan_poison_object_data(struct kmem_cache *cache, void *object)
* based on objects indexes, so that objects that are next to each other
* get different tags.
*/
-static u8 assign_tag(struct kmem_cache *cache, const void *object, bool init)
+static inline u8 assign_tag(struct kmem_cache *cache,
+ const void *object, bool init)
{
if (IS_ENABLED(CONFIG_KASAN_GENERIC))
return 0xff;
@@ -321,8 +322,8 @@ void * __must_check __kasan_init_slab_obj(struct kmem_cache *cache,
return (void *)object;
}
-static bool ____kasan_slab_free(struct kmem_cache *cache, void *object,
- unsigned long ip, bool quarantine)
+static inline bool ____kasan_slab_free(struct kmem_cache *cache,
+ void *object, unsigned long ip, bool quarantine)
{
u8 tag;
void *tagged_object;
@@ -366,7 +367,7 @@ bool __kasan_slab_free(struct kmem_cache *cache, void *object, unsigned long ip)
return ____kasan_slab_free(cache, object, ip, true);
}
-static bool ____kasan_kfree_large(void *ptr, unsigned long ip)
+static inline bool ____kasan_kfree_large(void *ptr, unsigned long ip)
{
if (ptr != page_address(virt_to_head_page(ptr))) {
kasan_report_invalid_free(ptr, ip);
@@ -461,8 +462,8 @@ void * __must_check __kasan_slab_alloc(struct kmem_cache *cache,
return tagged_object;
}
-static void *____kasan_kmalloc(struct kmem_cache *cache, const void *object,
- size_t size, gfp_t flags)
+static inline void *____kasan_kmalloc(struct kmem_cache *cache,
+ const void *object, size_t size, gfp_t flags)
{
unsigned long redzone_start;
unsigned long redzone_end;