From: gorcunov@gmail.com <gorcunov@gmail.com>
Date: Sat, 22 Mar 2008 21:00:06 +0000 (+0300)
Subject: x86: relocate_kernel_32.S - clear register in more elegant way
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=4039ae538030d1c5fc70a9c4e168a758d35b8159;p=openwrt%2Fstaging%2Fblogic.git

x86: relocate_kernel_32.S - clear register in more elegant way

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86/kernel/relocate_kernel_32.S b/arch/x86/kernel/relocate_kernel_32.S
index ec4e6a0e0c2e..fbc4fad23137 100644
--- a/arch/x86/kernel/relocate_kernel_32.S
+++ b/arch/x86/kernel/relocate_kernel_32.S
@@ -185,8 +185,7 @@ identity_mapped:
 	/* Set cr4 to a known state:
 	 * Setting everything to zero seems safe.
 	 */
-	movl	%cr4, %eax
-	andl	$0, %eax
+	xorl	%eax, %eax
 	movl	%eax, %cr4
 
 	jmp 1f