diff options
| author | Andrey Konovalov <andreyknvl@google.com> | 2020-12-22 12:02:56 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-22 12:55:08 -0800 |
| commit | d8dd397120be14a80220c78dad2bbcb9b0768959 (patch) | |
| tree | 1761fff0dce5ecd9a0a5e19fafbd06ff339d1c15 /mm/kasan/hw_tags.c | |
| parent | c0054c565ae598073d6c27762c7d4f7de49a45d9 (diff) | |
| download | linux-d8dd397120be14a80220c78dad2bbcb9b0768959.tar.bz2 | |
kasan: inline random_tag for HW_TAGS
Using random_tag() currently results in a function call. Move its
definition to mm/kasan/kasan.h and turn it into a static inline function
for hardware tag-based mode to avoid uneeded function calls.
Link: https://lkml.kernel.org/r/be438471690e351e1d792e6bb432e8c03ccb15d3.1606162397.git.andreyknvl@google.com
Link: https://linux-review.googlesource.com/id/Iac5b2faf9a912900e16cca6834d621f5d4abf427
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.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: Evgenii Stepanov <eugenis@google.com>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Vasily Gorbik <gor@linux.ibm.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/hw_tags.c')
| -rw-r--r-- | mm/kasan/hw_tags.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/mm/kasan/hw_tags.c b/mm/kasan/hw_tags.c index 227599e54e8e..09c8e9d2035d 100644 --- a/mm/kasan/hw_tags.c +++ b/mm/kasan/hw_tags.c @@ -42,11 +42,6 @@ void unpoison_range(const void *address, size_t size) round_up(size, KASAN_GRANULE_SIZE), get_tag(address)); } -u8 random_tag(void) -{ - return hw_get_random_tag(); -} - bool check_invalid_free(void *addr) { u8 ptr_tag = get_tag(addr); |