Messages in this thread Patch in this message | | | From | andrey.konovalov@linux ... | Subject | [PATCH mm] xtensa, kasan: define KASAN_SHADOW_END | Date | Mon, 25 Dec 2023 16:19:24 +0100 |
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From: Andrey Konovalov <andreyknvl@google.com>
Common KASAN code might rely on the definitions of the shadow mapping start, end, and size. Define KASAN_SHADOW_END in addition to KASAN_SHADOW_START and KASAN_SHADOW_SIZE.
Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202312240755.MqsWuTno-lkp@intel.com/ Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
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Andrew, please put this patch before "kasan: improve kasan_non_canonical_hook". --- arch/xtensa/include/asm/kasan.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/xtensa/include/asm/kasan.h b/arch/xtensa/include/asm/kasan.h index 216b6f32c375..8d2b4248466f 100644 --- a/arch/xtensa/include/asm/kasan.h +++ b/arch/xtensa/include/asm/kasan.h @@ -18,6 +18,8 @@ #define KASAN_SHADOW_START (XCHAL_PAGE_TABLE_VADDR + XCHAL_PAGE_TABLE_SIZE) /* Size of the shadow map */ #define KASAN_SHADOW_SIZE (-KASAN_START_VADDR >> KASAN_SHADOW_SCALE_SHIFT) +/* End of the shadow map */ +#define KASAN_SHADOW_END (KASAN_SHADOW_START + KASAN_SHADOW_SIZE) /* Offset for mem to shadow address transformation */ #define KASAN_SHADOW_OFFSET __XTENSA_UL_CONST(CONFIG_KASAN_SHADOW_OFFSET) -- 2.25.1
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