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Subject[PATCH 4/5] x86, msr: Unify variable names
Date
From: Borislav Petkov <bp@suse.de>

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>
---
arch/x86/include/asm/msr.h | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 9264802e2824..cb7502852acb 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -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)

--
1.8.1.3.535.ga923c31


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