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-rw-r--r--include/asm-x86/paravirt.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h
index fbbde93f12d6..d5cfc5e3eb5b 100644
--- a/include/asm-x86/paravirt.h
+++ b/include/asm-x86/paravirt.h
@@ -137,6 +137,7 @@ struct pv_cpu_ops {
137 137
138 /* MSR, PMC and TSR operations. 138 /* MSR, PMC and TSR operations.
139 err = 0/-EFAULT. wrmsr returns 0/-EFAULT. */ 139 err = 0/-EFAULT. wrmsr returns 0/-EFAULT. */
140 u64 (*read_msr_amd)(unsigned int msr, int *err);
140 u64 (*read_msr)(unsigned int msr, int *err); 141 u64 (*read_msr)(unsigned int msr, int *err);
141 int (*write_msr)(unsigned int msr, unsigned low, unsigned high); 142 int (*write_msr)(unsigned int msr, unsigned low, unsigned high);
142 143
@@ -726,6 +727,10 @@ static inline u64 paravirt_read_msr(unsigned msr, int *err)
726{ 727{
727 return PVOP_CALL2(u64, pv_cpu_ops.read_msr, msr, err); 728 return PVOP_CALL2(u64, pv_cpu_ops.read_msr, msr, err);
728} 729}
730static inline u64 paravirt_read_msr_amd(unsigned msr, int *err)
731{
732 return PVOP_CALL2(u64, pv_cpu_ops.read_msr_amd, msr, err);
733}
729static inline int paravirt_write_msr(unsigned msr, unsigned low, unsigned high) 734static inline int paravirt_write_msr(unsigned msr, unsigned low, unsigned high)
730{ 735{
731 return PVOP_CALL3(int, pv_cpu_ops.write_msr, msr, low, high); 736 return PVOP_CALL3(int, pv_cpu_ops.write_msr, msr, low, high);
@@ -771,6 +776,13 @@ static inline int rdmsrl_safe(unsigned msr, unsigned long long *p)
771 *p = paravirt_read_msr(msr, &err); 776 *p = paravirt_read_msr(msr, &err);
772 return err; 777 return err;
773} 778}
779static inline int rdmsrl_amd_safe(unsigned msr, unsigned long long *p)
780{
781 int err;
782
783 *p = paravirt_read_msr_amd(msr, &err);
784 return err;
785}
774 786
775static inline u64 paravirt_read_tsc(void) 787static inline u64 paravirt_read_tsc(void)
776{ 788{