diff options
| author | Andi Kleen <andi@firstfloor.org> | 2010-07-20 15:19:48 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2010-07-20 15:38:18 -0700 |
| commit | 5f755293ca61520b70b11afe1b1d6e1635cb6c00 (patch) | |
| tree | 53224e1ab312052a8dce961c5ddb723c19007cfe /arch/x86/include/asm/msr.h | |
| parent | d0c6f6258478e1dba532bf7c28e2cd6e1047d3a4 (diff) | |
| download | blackbird-op-linux-5f755293ca61520b70b11afe1b1d6e1635cb6c00.tar.gz blackbird-op-linux-5f755293ca61520b70b11afe1b1d6e1635cb6c00.zip | |
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.h | 4 |
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) |
