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x86: Add IA32_TSC_AUX MSR and use it

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Clean up write_tsc() and write_tscp_aux() by replacing
hardcoded values.

No change in functionality.

Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Cc: Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
LKML-Reference: <1260942485-19156-4-git-send-email-sheng@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Sheng Yang
2009-12-16 13:48:04 +08:00
committed by Ingo Molnar
parent 0b962d473a
commit 5df974009f
2 changed files with 3 additions and 2 deletions
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4
arch/x86/include/asm/msr.h
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@@ -240,9 +240,9 @@ do { \
#define checking_wrmsrl(msr, val) wrmsr_safe((msr), (u32)(val), \
(u32)((val) >> 32))
#define write_tsc(val1, val2) wrmsr(0x10, (val1), (val2))
#define write_tsc(val1, val2) wrmsr(MSR_IA32_TSC, (val1), (val2))
#define write_rdtscp_aux(val) wrmsr(0xc0000103, (val), 0)
#define write_rdtscp_aux(val) wrmsr(MSR_TSC_AUX, (val), 0)
struct msr *msrs_alloc(void);
void msrs_free(struct msr *msrs);