1 files changed, 2 insertions, 0 deletions

diff --git a/arch/i386/kernel/timers/timer_tsc.c b/arch/i386/kernel/timers/timer_tsc.c
index d395e3b42485..47675bbbb316 100644
--- a/arch/i386/kernel/timers/timer_tsc.c
+++ b/arch/i386/kernel/timers/timer_tsc.c
@@ -330,7 +330,9 @@ int recalibrate_cpu_khz(void)
         unsigned int cpu_khz_old = cpu_khz;
 
         if (cpu_has_tsc) {
+                local_irq_disable();
                 init_cpu_khz();
+                local_irq_enable();
                 cpu_data[0].loops_per_jiffy =
                     cpufreq_scale(cpu_data[0].loops_per_jiffy,
                                   cpu_khz_old,