For calculating the new timekeeper values store the new cycle_last
value in the timekeeper and update the clock->cycle_last just when we
actually update the new values.
Signed-off-by: Thomas Gleixner <t...@linutronix.de>
---
kernel/time/timekeeping.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
Index: linux-2.6/kernel/time/timekeeping.c
===================================================================
--- linux-2.6.orig/kernel/time/timekeeping.c
+++ linux-2.6/kernel/time/timekeeping.c
@@ -1120,7 +1120,7 @@ static cycle_t logarithmic_accumulation(
/* Accumulate one shifted interval */
offset -= interval;
- tk->clock->cycle_last += interval;
+ tk->cycle_last += interval;
tk->xtime_nsec += tk->xtime_interval << shift;
accumulate_nsecs_to_secs(tk);
@@ -1235,6 +1235,8 @@ static void update_wall_time(void)
*/
accumulate_nsecs_to_secs(tk);
+ /* Update clock->cycle_last with the new value */
+ clock->cycle_last = tk->cycle_last;
timekeeping_update(tk, false);
out:
--
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