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x86: Use correct type for %cr4

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%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@gmail.com>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
LKML-Reference: <1283563039-3466-2-git-send-email-brgerst@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Brian Gerst 2010-09-03 21:17:08 -04:00 committed by H. Peter Anvin
parent 1f999ab5a1
commit 2df7a6e9e8
1 changed files with 2 additions and 2 deletions
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4
arch/x86/include/asm/processor.h
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@ -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();