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-rw-r--r--arch/x86/kernel/tsc.c6
-rw-r--r--kernel/time/timekeeping.c1
2 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 71f4368b357e..968425422c46 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -744,10 +744,16 @@ static cycle_t __vsyscall_fn vread_tsc(void)
744} 744}
745#endif 745#endif
746 746
747static void resume_tsc(void)
748{
749 clocksource_tsc.cycle_last = 0;
750}
751
747static struct clocksource clocksource_tsc = { 752static struct clocksource clocksource_tsc = {
748 .name = "tsc", 753 .name = "tsc",
749 .rating = 300, 754 .rating = 300,
750 .read = read_tsc, 755 .read = read_tsc,
756 .resume = resume_tsc,
751 .mask = CLOCKSOURCE_MASK(64), 757 .mask = CLOCKSOURCE_MASK(64),
752 .shift = 22, 758 .shift = 22,
753 .flags = CLOCK_SOURCE_IS_CONTINUOUS | 759 .flags = CLOCK_SOURCE_IS_CONTINUOUS |
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 016a2591d719..b5673016089f 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -295,7 +295,6 @@ static void change_clocksource(void)
295 if (old->disable) 295 if (old->disable)
296 old->disable(old); 296 old->disable(old);
297 297
298 clock->cycle_last = 0;
299 clock->cycle_last = clock->read(clock); 298 clock->cycle_last = clock->read(clock);
300 clock->error = 0; 299 clock->error = 0;
301 clock->xtime_nsec = 0; 300 clock->xtime_nsec = 0;