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x86, msr: Unify variable names

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Make sure all MSR-accessing primitives which split MSR values in
two 32-bit parts have their variables called 'low' and 'high' for
consistence with the rest of the code and for ease of staring.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1362428180-8865-5-git-send-email-bp@alien8.de
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Borislav Petkov 2013-03-04 21:16:19 +01:00 committed by H. Peter Anvin
parent aca91bfc67
commit 1423bed239
1 changed files with 7 additions and 7 deletions
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14
arch/x86/include/asm/msr.h
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@ -137,11 +137,11 @@ static inline unsigned long long native_read_pmc(int counter)
* pointer indirection), this allows gcc to optimize better
*/
#define rdmsr(msr, val1, val2) \
#define rdmsr(msr, low, high) \
do { \
u64 __val = native_read_msr((msr)); \
(void)((val1) = (u32)__val); \
(void)((val2) = (u32)(__val >> 32)); \
(void)((low) = (u32)__val); \
(void)((high) = (u32)(__val >> 32)); \
} while (0)
static inline void wrmsr(unsigned msr, unsigned low, unsigned high)
@ -162,12 +162,12 @@ static inline int wrmsr_safe(unsigned msr, unsigned low, unsigned high)
}
/* rdmsr with exception handling */
#define rdmsr_safe(msr, p1, p2) \
#define rdmsr_safe(msr, low, high) \
({ \
int __err; \
u64 __val = native_read_msr_safe((msr), &__err); \
(*p1) = (u32)__val; \
(*p2) = (u32)(__val >> 32); \
(*low) = (u32)__val; \
(*high) = (u32)(__val >> 32); \
__err; \
})
@ -208,7 +208,7 @@ do { \
#define wrmsrl_safe(msr, val) wrmsr_safe((msr), (u32)(val), \
(u32)((val) >> 32))
#define write_tsc(val1, val2) wrmsr(MSR_IA32_TSC, (val1), (val2))
#define write_tsc(low, high) wrmsr(MSR_IA32_TSC, (low), (high))
#define write_rdtscp_aux(val) wrmsr(MSR_TSC_AUX, (val), 0)