summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/msr.h
diff options
context:
space:
mode:
authorAndi Kleen <andi@firstfloor.org>2010-07-20 15:19:48 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2010-07-20 15:38:18 -0700
commit5f755293ca61520b70b11afe1b1d6e1635cb6c00 (patch)
tree53224e1ab312052a8dce961c5ddb723c19007cfe /arch/x86/include/asm/msr.h
parentd0c6f6258478e1dba532bf7c28e2cd6e1047d3a4 (diff)
x86, gcc-4.6: Avoid unused by set variables in rdmsr
Avoids quite a lot of warnings with a gcc 4.6 -Wall build because this happens in a commonly used header file (apic.h) Signed-off-by: Andi Kleen <ak@linux.intel.com> LKML-Reference: <201007202219.o6KMJme6021066@imap1.linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/include/asm/msr.h')
-rw-r--r--arch/x86/include/asm/msr.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index c5bc4c2d33f5..084ef95274cd 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -148,8 +148,8 @@ static inline unsigned long long native_read_pmc(int counter)
#define rdmsr(msr, val1, val2) \
do { \
u64 __val = native_read_msr((msr)); \
- (val1) = (u32)__val; \
- (val2) = (u32)(__val >> 32); \
+ (void)((val1) = (u32)__val); \
+ (void)((val2) = (u32)(__val >> 32)); \
} while (0)
static inline void wrmsr(unsigned msr, unsigned low, unsigned high)