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xtensa: fix build with KASAN 

The commit 917538e212 ("kasan: clean up KASAN_SHADOW_SCALE_SHIFT
usage") removed KASAN_SHADOW_SCALE_SHIFT definition from
include/linux/kasan.h and added it to architecture-specific headers,
except for xtensa. This broke the xtensa build with KASAN enabled.
Define KASAN_SHADOW_SCALE_SHIFT in arch/xtensa/include/asm/kasan.h

Reported by: kbuild test robot <fengguang.wu@intel.com>
Fixes: 917538e212 ("kasan: clean up KASAN_SHADOW_SCALE_SHIFT usage")
Acked-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
zero-colors
Max Filippov 2018-02-11 01:07:54 -08:00
parent d48fcbd864
commit f8d0cbf28d
1 changed files with 2 additions and 0 deletions
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2
arch/xtensa/include/asm/kasan.h
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@ -10,6 +10,8 @@
#include <linux/sizes.h>
#include <asm/kmem_layout.h>
#define KASAN_SHADOW_SCALE_SHIFT 3
/* Start of area covered by KASAN */
#define KASAN_START_VADDR __XTENSA_UL_CONST(0x90000000)
/* Start of the shadow map */