linux-kernel - [PATCH] x86: Use X86_CR4_PGE in x86/power/hibernate_asm

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Message-ID: <5787cf470808200144ta2f28b4nd9b2922cbec73d78@mail.gmail.com>
Date:	Wed, 20 Aug 2008 10:44:47 +0200
From:	"Uros Bizjak" <ubizjak@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: [PATCH] x86: Use X86_CR4_PGE in x86/power/hibernate_asm_32.S

Signed-off-by: Uros Bizjak <ubizjak@...il.com>
---
diff --git a/arch/x86/power/hibernate_asm_32.S
b/arch/x86/power/hibernate_asm_32.S
index 4fc7e87..6fa219e 100644
--- a/arch/x86/power/hibernate_asm_32.S
+++ b/arch/x86/power/hibernate_asm_32.S
@@ -1,5 +1,3 @@
-.text
-
 /*
  * This may not use any stack, nor any variable that is not "NoSave":
  *
@@ -8,21 +6,21 @@
  * your own stack under you is bad idea.
  */

+	.text
 #include <linux/linkage.h>
 #include <asm/segment.h>
 #include <asm/page.h>
 #include <asm/asm-offsets.h>
-
-	.text
+#include <asm/processor-flags.h>

 ENTRY(swsusp_arch_suspend)
-
 	movl %esp, saved_context_esp
 	movl %ebx, saved_context_ebx
 	movl %ebp, saved_context_ebp
 	movl %esi, saved_context_esi
 	movl %edi, saved_context_edi
-	pushfl ; popl saved_context_eflags
+	pushfl
+	popl saved_context_eflags

 	call swsusp_save
 	ret
@@ -59,7 +57,7 @@ done:
 	movl	mmu_cr4_features, %ecx
 	jecxz	1f	# cr4 Pentium and higher, skip if zero
 	movl	%ecx, %edx
-	andl	$~(1<<7), %edx;  # PGE
+	andl	$~(X86_CR4_PGE), %edx
 	movl	%edx, %cr4;  # turn off PGE
 1:
 	movl	%cr3, %eax;  # flush TLB
@@ -74,7 +72,8 @@ done:
 	movl saved_context_esi, %esi
 	movl saved_context_edi, %edi

-	pushl saved_context_eflags ; popfl
+	pushl saved_context_eflags
+	popfl

 	xorl	%eax, %eax
--
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