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| author | Vincenzo Frascino <vincenzo.frascino@arm.com> | 2020-12-22 21:01:24 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-22 21:55:07 +0100 |
| commit | f469c032c05e0572be806149307b45d0fc9ae706 (patch) | |
| tree | c972e34895b0ab41bc9c8c123205b3645a50a363 /arch/arm64/include | |
| parent | kasan: introduce CONFIG_KASAN_HW_TAGS (diff) | |
| download | linux-f469c032c05e0572be806149307b45d0fc9ae706.tar.xz linux-f469c032c05e0572be806149307b45d0fc9ae706.zip | |
arm64: enable armv8.5-a asm-arch option
Hardware tag-based KASAN relies on Memory Tagging Extension (MTE) which is
an armv8.5-a architecture extension.
Enable the correct asm option when the compiler supports it in order to
allow the usage of ALTERNATIVE()s with MTE instructions.
Link: https://lkml.kernel.org/r/d03d1157124ea3532eaeb77507988733f5734986.1606161801.git.andreyknvl@google.com
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Branislav Rankov <Branislav.Rankov@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Marco Elver <elver@google.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 'arch/arm64/include')
0 files changed, 0 insertions, 0 deletions