1 files changed, 3 insertions, 0 deletions

diff --git a/include/asm-i386/msr.h b/include/asm-i386/msr.h
index 62b76cd96957..0aa15fc8d918 100644
--- a/include/asm-i386/msr.h
+++ b/include/asm-i386/msr.h
@@ -125,6 +125,9 @@ static inline void wrmsrl (unsigned long msr, unsigned long long val)
 #define MSR_IA32_PERF_STATUS            0x198
 #define MSR_IA32_PERF_CTL               0x199
 
+#define MSR_IA32_MPERF                  0xE7
+#define MSR_IA32_APERF                  0xE8
+
 #define MSR_IA32_THERM_CONTROL          0x19a
 #define MSR_IA32_THERM_INTERRUPT        0x19b
 #define MSR_IA32_THERM_STATUS           0x19c