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| author | Andrey Konovalov <andreyknvl@google.com> | 2022-09-05 23:05:26 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-10-03 14:02:58 -0700 |
| commit | 284f8590a1dfbe1c33b50bf6e8f8dc714e61bfd3 (patch) | |
| tree | 74be3b66761d656f58efbd6625d158adce0973b7 /mm/kasan/tags.c | |
| parent | 2f3568017268fc34eb0b6b4b3163c0f2e619fde6 (diff) | |
| download | linux-stable-284f8590a1dfbe1c33b50bf6e8f8dc714e61bfd3.tar.gz linux-stable-284f8590a1dfbe1c33b50bf6e8f8dc714e61bfd3.tar.bz2 linux-stable-284f8590a1dfbe1c33b50bf6e8f8dc714e61bfd3.zip | |
kasan: introduce kasan_requires_meta
Add a kasan_requires_meta() helper that indicates whether the enabled
KASAN mode requires per-object metadata and use this helper in the common
code.
Also hide kasan_init_object_meta() under CONFIG_KASAN_GENERIC ifdef check,
as Generic is the only mode that uses per-object metadata.
To allow for a potential future change that makes Generic KASAN support
the kasan.stacktrace command-line parameter, let kasan_requires_meta()
return kasan_stack_collection_enabled() instead of simply returning true.
Link: https://lkml.kernel.org/r/cf837e9996246aaaeebf704ccf8ec26a34fcf64f.1662411799.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 <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Peter Collingbourne <pcc@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/kasan/tags.c')
| -rw-r--r-- | mm/kasan/tags.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/mm/kasan/tags.c b/mm/kasan/tags.c index f11c89505c77..4f24669085e9 100644 --- a/mm/kasan/tags.c +++ b/mm/kasan/tags.c @@ -17,10 +17,6 @@ #include "kasan.h" -void kasan_init_object_meta(struct kmem_cache *cache, const void *object) -{ -} - void kasan_save_alloc_info(struct kmem_cache *cache, void *object, gfp_t flags) { } |