Using wrmsr_safe() can make code a bit simpler by removing some condition check
Suggested-by: H. Peter Anvin <h...@zytor.com> Signed-off-by: Chang S. Bae <chang.seok....@intel.com> Cc: Andy Lutomirski <l...@kernel.org> Cc: Andi Kleen <a...@linux.intel.com> Cc: Dave Hansen <dave.han...@linux.intel.com> Cc: Thomas Gleixner <t...@linutronix.de> Cc: Ingo Molnar <mi...@kernel.org> --- arch/x86/include/asm/msr.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h index 04addd6..09bec62 100644 --- a/arch/x86/include/asm/msr.h +++ b/arch/x86/include/asm/msr.h @@ -317,7 +317,7 @@ static inline int wrmsrl_safe(u32 msr, u64 val) #define write_tsc(low, high) wrmsr(MSR_IA32_TSC, (low), (high)) -#define write_rdtscp_aux(val) wrmsr(MSR_TSC_AUX, (val), 0) +#define write_rdtscp_aux(val) wrmsr_safe(MSR_TSC_AUX, (val), 0) struct msr *msrs_alloc(void); void msrs_free(struct msr *msrs); -- 2.7.4
