1 files changed, 4 insertions, 0 deletions

diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 1ef87e887051..78b9cb5a26af 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -22,6 +22,7 @@
 #include <asm/nmi.h>
 #include <asm/x86_init.h>
 #include <asm/geode.h>
+#include <asm/apic.h>
 
 unsigned int __read_mostly cpu_khz;     /* TSC clocks / usec, not used here */
 EXPORT_SYMBOL(cpu_khz);
@@ -1249,6 +1250,9 @@ static void tsc_refine_calibration_work(struct work_struct *work)
                 (unsigned long)tsc_khz / 1000,
                 (unsigned long)tsc_khz % 1000);
 
+        /* Inform the TSC deadline clockevent devices about the recalibration */
+        lapic_update_tsc_freq();
+
 out:
         if (boot_cpu_has(X86_FEATURE_ART))
                 art_related_clocksource = &clocksource_tsc;