linux-kernel - [PATCH v6 1/2] x86/kasan: define KASAN_SHADOW

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Message-Id: <1439444244-26057-2-git-send-email-ryabinin.a.a@gmail.com>
Date:	Thu, 13 Aug 2015 08:37:23 +0300
From:	Andrey Ryabinin <ryabinin.a.a@...il.com>
To:	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Cc:	Andrey Ryabinin <ryabinin.a.a@...il.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	linux-arm-kernel@...ts.infradead.org,
	Arnd Bergmann <arnd@...db.de>,
	Linus Walleij <linus.walleij@...aro.org>,
	David Keitel <dkeitel@...eaurora.org>,
	Alexander Potapenko <glider@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dmitry Vyukov <dvyukov@...gle.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Alexey Klimov <klimov.linux@...il.com>,
	Yury <yury.norov@...il.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Subject: [PATCH v6 1/2] 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@...il.com>
---
 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>
-- 
2.4.6

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