From: "Jan Beulich" <jbeulich@novell.com>
Subject: [PATCH] x86-64: access only 4 bytes a the reset vector
	location
Date: Thu, 22 Nov 2007 12:41:28 +0000
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Apparently the code was taken unmodified from 32-bit Linux...

Signed-off-by: Jan Beulich <jbeulich@novell.com>

Index: 2007-11-13/xen/include/asm-x86/mach-default/smpboot_hooks.h
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
--- 2007-11-13.orig/xen/include/asm-x86/mach-default/smpboot_hooks.h	=
2007-10-22 16:06:02.000000000 +0200
+++ 2007-11-13/xen/include/asm-x86/mach-default/smpboot_hooks.h	2007-11-20 =
14:22:19.000000000 +0100
@@ -30,7 +30,7 @@ static inline void smpboot_restore_warm_
 	 */
 	CMOS_WRITE(0, 0xf);
=20
-	*((volatile long *) maddr_to_virt(0x467)) =3D 0;
+	*((volatile int *) maddr_to_virt(0x467)) =3D 0;
 }
=20
 static inline void smpboot_setup_io_apic(void)