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From: Andi Kleen on 10 Jun 2010 07:20

Avoids quite a lot of warnings with a gcc 4.6 -Wall build
because this happens in a commonly used header file (apic.h)

Cc: x86(a)kernel.org

Signed-off-by: Andi Kleen <ak(a)linux.intel.com>

---
arch/x86/include/asm/msr.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux-2.6.35-rc2-gcc/arch/x86/include/asm/msr.h
===================================================================
--- linux-2.6.35-rc2-gcc.orig/arch/x86/include/asm/msr.h
+++ linux-2.6.35-rc2-gcc/arch/x86/include/asm/msr.h
@@ -148,8 +148,8 @@ static inline unsigned long long native_
#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)
--
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