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authorAndrey Konovalov <andreyknvl@google.com>2023-12-25 16:19:24 +0100
committerAndrew Morton <akpm@linux-foundation.org>2023-12-29 11:58:43 -0800
commit51fb591edc867a11c7fcebfa88298e7ccdb61265 (patch)
tree0bcce10f8c9212e70aa89044520c08ca251edf63 /arch
parenta3c5cc5129ef55ac6c69f468e5ee6e4b0cd8179c (diff)
xtensa, kasan: define KASAN_SHADOW_END
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. Link: https://lkml.kernel.org/r/20231225151924.5422-1-andrey.konovalov@linux.dev Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202312240755.MqsWuTno-lkp@intel.com/ Cc: Alexander Potapenko <glider@google.com> Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com> Cc: Chris Zankel <chris@zankel.net> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Marco Elver <elver@google.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/xtensa/include/asm/kasan.h2
1 files changed, 2 insertions, 0 deletions
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)