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Message-Id: <1353055989-31939-3-git-send-email-yinghai@kernel.org>
Date:	Fri, 16 Nov 2012 00:53:02 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>
Cc:	linux-kernel@...r.kernel.org, Yinghai Lu <yinghai@...nel.org>,
	Matt Fleming <matt.fleming@...el.com>
Subject: [PATCH 2/9] x86: Add macro for 64bit entry for bzImage

will use it with bzImage header.

Signed-off-by: Yinghai Lu <yinghai@...nel.org>
Cc: Matt Fleming <matt.fleming@...el.com>
---
 arch/x86/boot/compressed/head_64.S |    2 +-
 arch/x86/include/asm/boot.h        |    2 ++
 2 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 4c8af67..0733638 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -197,7 +197,7 @@ no_longmode:
 	 * it may change in the future.
 	 */
 	.code64
-	.org 0x208
+	.org BOOT_CODE64_START_OFFSET
 ENTRY(startup_64)
 	/*
 	 * We come here either from startup_32 or directly from a
diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h
index b13fe63..bcae405 100644
--- a/arch/x86/include/asm/boot.h
+++ b/arch/x86/include/asm/boot.h
@@ -38,8 +38,10 @@
 
 #ifdef CONFIG_X86_64
 #define BOOT_STACK_SIZE	0x4000
+#define BOOT_CODE64_START_OFFSET 0x208
 #else
 #define BOOT_STACK_SIZE	0x1000
+#define BOOT_CODE64_START_OFFSET 0
 #endif
 
 #endif /* __KERNEL__ */
-- 
1.7.7

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