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-rw-r--r--kernel/arch/x86/kernel/tsc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/arch/x86/kernel/tsc.c b/kernel/arch/x86/kernel/tsc.c
index c7c4d9c51..eafe93888 100644
--- a/kernel/arch/x86/kernel/tsc.c
+++ b/kernel/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);
@@ -1141,6 +1142,9 @@ 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:
clocksource_register_khz(&clocksource_tsc, tsc_khz);
}