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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>
This commit is contained in:
Andi Kleen 2010-07-20 15:19:48 -07:00 committed by H. Peter Anvin
parent d0c6f62584
commit 5f755293ca
1 changed files with 2 additions and 2 deletions
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4
arch/x86/include/asm/msr.h
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@ -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)