diff options
| author | Karsten Wiese <[email protected]> | 2008-03-04 14:59:55 -0800 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2008-03-09 08:42:57 +0100 |
| commit | a79017660ea4597ec489fab3b5aaf71dd776dfc7 (patch) | |
| tree | 87fedadc8d003391c9ccf5d3cf0aba69fb8e443d | |
| parent | 38332cb98772f5ea757e6486bed7ed0381cb5f98 (diff) | |
time: don't touch an offlined CPU's ts->tick_stopped in tick_cancel_sched_timer()
Silences WARN_ONs in rcu_enter_nohz() and rcu_exit_nohz(), which appeared
before caused by (repeated) calls to:
$ echo 0 > /sys/devices/system/cpu/cpu1/online
$ echo 1 > /sys/devices/system/cpu/cpu1/online
Signed-off-by: Karsten Wiese <[email protected]>
Cc: [email protected]
Cc: Rafael Wysocki <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Ingo Molnar <[email protected]>
Acked-by: Paul E. McKenney <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
| -rw-r--r-- | kernel/time/tick-sched.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 2968298f8f36..686da821d376 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -640,7 +640,7 @@ void tick_cancel_sched_timer(int cpu) if (ts->sched_timer.base) hrtimer_cancel(&ts->sched_timer); - ts->tick_stopped = 0; + ts->nohz_mode = NOHZ_MODE_INACTIVE; } #endif /* HIGH_RES_TIMERS */ |