Messages in this thread Patch in this message | | | Subject | [patch] x86: shift bits the right way in native_read_tscp | From | Max Asbock <> | Date | Wed, 25 Jun 2008 14:45:28 -0700 |
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native_read_tscp shifts the bits in the high order value in the wrong direction, the attached patch fixes that.
Signed-off-by: Max Asbock <masbock@linux.vnet.ibm.com>
diff -pburN linux/include/asm-x86/msr.h linux.rdtscp/include/asm-x86/msr.h --- linux/include/asm-x86/msr.h 2008-06-20 11:51:17.000000000 -0700 +++ linux.rdtscp/include/asm-x86/msr.h 2008-06-25 14:26:35.000000000 -0700 @@ -18,7 +18,7 @@ static inline unsigned long long native_ unsigned long low, high; asm volatile(".byte 0x0f,0x01,0xf9" : "=a" (low), "=d" (high), "=c" (*aux)); - return low | ((u64)high >> 32); + return low | ((u64)high << 32); } /*
--- Max
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