linux-kernel - [tip:x86/fpu] x86: Use correct type for %cr4

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Message-ID: <tip-2df7a6e9e8e67c19e5fe2eac3f2d2223b7bb4a7b@git.kernel.org>
Date:	Fri, 10 Sep 2010 01:46:10 GMT
From:	tip-bot for Brian Gerst <brgerst@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	brgerst@...il.com, penberg@...nel.org, suresh.b.siddha@...el.com,
	tglx@...utronix.de, hpa@...ux.intel.com
Subject: [tip:x86/fpu] x86: Use correct type for %cr4

Commit-ID:  2df7a6e9e8e67c19e5fe2eac3f2d2223b7bb4a7b
Gitweb:     http://git.kernel.org/tip/2df7a6e9e8e67c19e5fe2eac3f2d2223b7bb4a7b
Author:     Brian Gerst <brgerst@...il.com>
AuthorDate: Fri, 3 Sep 2010 21:17:08 -0400
Committer:  H. Peter Anvin <hpa@...ux.intel.com>
CommitDate: Thu, 9 Sep 2010 14:16:13 -0700

x86: Use correct type for %cr4

%cr4 is 64-bit in 64-bit mode (although the upper 32-bits are currently reserved).
Use unsigned long for the temporary variable to get the right size.

Signed-off-by: Brian Gerst <brgerst@...il.com>
Acked-by: Pekka Enberg <penberg@...nel.org>
Cc: Suresh Siddha <suresh.b.siddha@...el.com>
LKML-Reference: <1283563039-3466-2-git-send-email-brgerst@...il.com>
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
---
 arch/x86/include/asm/processor.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 325b7bd..396b80f 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -602,7 +602,7 @@ extern unsigned long		mmu_cr4_features;
 
 static inline void set_in_cr4(unsigned long mask)
 {
-	unsigned cr4;
+	unsigned long cr4;
 
 	mmu_cr4_features |= mask;
 	cr4 = read_cr4();
@@ -612,7 +612,7 @@ static inline void set_in_cr4(unsigned long mask)
 
 static inline void clear_in_cr4(unsigned long mask)
 {
-	unsigned cr4;
+	unsigned long cr4;
 
 	mmu_cr4_features &= ~mask;
 	cr4 = read_cr4();
--
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