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x86: shift bits the right way in native_read_tscp
author
Max Asbock
<masbock@us.ibm.com>
Wed, 25 Jun 2008 21:45:28 +0000
(14:45 -0700)
committer
Ingo Molnar
<mingo@elte.hu>
Thu, 26 Jun 2008 12:49:17 +0000
(14:49 +0200)
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>
Acked-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
include/asm-x86/msr.h
patch
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diff --git
a/include/asm-x86/msr.h
b/include/asm-x86/msr.h
index
3707650
..
2b5f2c9
100644
(file)
--- a/
include/asm-x86/msr.h
+++ b/
include/asm-x86/msr.h
@@
-18,7
+18,7
@@
static inline unsigned long long native_read_tscp(unsigned int *aux)
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);
}
/*