1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 9d75bd6faf65..ff3c5624972c 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -577,9 +577,12 @@ static inline void intel_pstate_calc_busy(struct cpudata *cpu)
 static inline void intel_pstate_sample(struct cpudata *cpu)
 {
         u64 aperf, mperf;
+        unsigned long flags;
 
+        local_irq_save(flags);
         rdmsrl(MSR_IA32_APERF, aperf);
         rdmsrl(MSR_IA32_MPERF, mperf);
+        local_irq_restore(flags);
 
         aperf = aperf >> FRAC_BITS;
         mperf = mperf >> FRAC_BITS;