Merge branches 'x86/alternatives', 'x86/cleanups', 'x86/commandline', 'x86/crashdump...

[cascardo/linux.git] / include / asm-x86 / paravirt.h

diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h
index 497aea0..891971f 100644 (file)
--- a/include/asm-x86/paravirt.h
+++ b/include/asm-x86/paravirt.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_PARAVIRT_H
-#define __ASM_PARAVIRT_H
+#ifndef ASM_X86__PARAVIRT_H
+#define ASM_X86__PARAVIRT_H
 /* Various instructions on x86 need to be replaced for
  * para-virtualization: those hooks are defined here. */
 
@@ -137,6 +137,7 @@ struct pv_cpu_ops {
 
        /* MSR, PMC and TSR operations.
           err = 0/-EFAULT.  wrmsr returns 0/-EFAULT. */
+       u64 (*read_msr_amd)(unsigned int msr, int *err);
        u64 (*read_msr)(unsigned int msr, int *err);
        int (*write_msr)(unsigned int msr, unsigned low, unsigned high);
 
@@ -726,6 +727,10 @@ static inline u64 paravirt_read_msr(unsigned msr, int *err)
 {
        return PVOP_CALL2(u64, pv_cpu_ops.read_msr, msr, err);
 }
+static inline u64 paravirt_read_msr_amd(unsigned msr, int *err)
+{
+       return PVOP_CALL2(u64, pv_cpu_ops.read_msr_amd, msr, err);
+}
 static inline int paravirt_write_msr(unsigned msr, unsigned low, unsigned high)
 {
        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)
        *p = paravirt_read_msr(msr, &err);
        return err;
 }
+static inline int rdmsrl_amd_safe(unsigned msr, unsigned long long *p)
+{
+       int err;
+
+       *p = paravirt_read_msr_amd(msr, &err);
+       return err;
+}
 
 static inline u64 paravirt_read_tsc(void)
 {
@@ -1634,4 +1646,4 @@ static inline unsigned long __raw_local_irq_save(void)
 
 #endif /* __ASSEMBLY__ */
 #endif /* CONFIG_PARAVIRT */
-#endif /* __ASM_PARAVIRT_H */
+#endif /* ASM_X86__PARAVIRT_H */