From: Max Filippov <jcmvbkbc@gmail.com>
To: linux-xtensa@linux-xtensa.org
Cc: Chris Zankel <chris@zankel.net>,
Andrey Konovalov <andreyknvl@google.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Dmitry Vyukov <dvyukov@google.com>,
linux-kernel@vger.kernel.org, Max Filippov <jcmvbkbc@gmail.com>
Subject: [PATCH] xtensa: fix build with KASAN
Date: Sun, 11 Feb 2018 01:15:46 -0800 [thread overview]
Message-ID: <1518340546-6690-1-git-send-email-jcmvbkbc@gmail.com> (raw)
The commit 917538e212a2 ("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: 917538e212a2 ("kasan: clean up KASAN_SHADOW_SCALE_SHIFT usage")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---
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 54be80876e57..216b6f32c375 100644
--- a/arch/xtensa/include/asm/kasan.h
+++ b/arch/xtensa/include/asm/kasan.h
@@ -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 */
--
2.1.4
next reply other threads:[~2018-02-11 9:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-11 9:15 Max Filippov [this message]
2018-02-11 10:21 ` Andrey Konovalov
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