[tip:mm/kasan] x86/kasan: Define KASAN_SHADOW_OFFSET per architecture

[tip-bot for Andrey Ryabinin]

Commit-ID:  920e277e17f12870188f4564887a95ae9ac03e31
Gitweb:     http://git.kernel.org/tip/920e277e17f12870188f4564887a95ae9ac03e31
Author:     Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
AuthorDate: Thu, 13 Aug 2015 08:37:23 +0300
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Sat, 22 Aug 2015 14:54:55 +0200

x86/kasan: Define KASAN_SHADOW_OFFSET per architecture

Current definition of  KASAN_SHADOW_OFFSET in
include/linux/kasan.h will not work for upcomming arm64, so move
it to the arch header.

Signed-off-by: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Alexey Klimov <klimov.linux@xxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: David Keitel <dkeitel@xxxxxxxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: Yury <yury.norov@xxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-mm@xxxxxxxxx
Link: http://lkml.kernel.org/r/1439444244-26057-2-git-send-email-ryabinin.a.a@xxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/x86/include/asm/kasan.h | 3 +++
 include/linux/kasan.h        | 1 -
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/kasan.h b/arch/x86/include/asm/kasan.h
index 74a2a8d..1410b56 100644
--- a/arch/x86/include/asm/kasan.h
+++ b/arch/x86/include/asm/kasan.h
@@ -1,6 +1,9 @@
 #ifndef _ASM_X86_KASAN_H
 #define _ASM_X86_KASAN_H
 
+#include <linux/const.h>
+#define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
+
 /*
  * Compiler uses shadow offset assuming that addresses start
  * from 0. Kernel addresses don't start from 0, so shadow
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index 5486d77..6fb1c7d 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -10,7 +10,6 @@ struct vm_struct;
 #ifdef CONFIG_KASAN
 
 #define KASAN_SHADOW_SCALE_SHIFT 3
-#define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
 
 #include <asm/kasan.h>
 #include <linux/sched.h>
--
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