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FROMGIT: kasan: Add report for async mode

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KASAN provides an asynchronous mode of execution.

Add reporting functionality for this mode.

Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Link: https://lore.kernel.org/r/20210315132019.33202-5-vincenzo.frascino@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

Bug: 170327579
Bug: 172318110
(cherry picked from commit 8f7b5054755e48cc7b217a41e3f1891e01338d2f
 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/
 for-next/mte-async-kernel-mode)
Signed-off-by: Alexander Potapenko <glider@google.com>
Change-Id: Ida1f470c21f378034dfa201c2b392e8af6bddee3
This commit is contained in:
Vincenzo Frascino
2021-03-15 13:20:14 +00:00
committed by Alexander Potapenko
parent f47de37f1f
commit 9a928af2cc
3 changed files with 38 additions and 1 deletions
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6
include/linux/kasan.h
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@@ -393,6 +393,12 @@ static inline void *kasan_reset_tag(const void *addr)
#endif /* CONFIG_KASAN_SW_TAGS || CONFIG_KASAN_HW_TAGS*/
#ifdef CONFIG_KASAN_HW_TAGS
void kasan_report_async(void);
#endif /* CONFIG_KASAN_HW_TAGS */
#ifdef CONFIG_KASAN_SW_TAGS
void __init kasan_init_sw_tags(void);
#else