The patch titled time: don't touch an offlined CPU's ts->tick_stopped in tick_cancel_sched_timer() has been removed from the -mm tree. Its filename was time-dont-touch-an-offlined-cpus-ts-tick_stopped-in-tick_cancel_sched_timer.patch This patch was dropped because it was merged into mainline or a subsystem tree The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: time: don't touch an offlined CPU's ts->tick_stopped in tick_cancel_sched_timer() From: Karsten Wiese <fzu@xxxxxxxxxxxxxxxxxxxxx> 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 <fzu@xxxxxxxxxxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Rafael Wysocki <rjw@xxxxxxx> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- kernel/time/tick-sched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN kernel/time/tick-sched.c~time-dont-touch-an-offlined-cpus-ts-tick_stopped-in-tick_cancel_sched_timer kernel/time/tick-sched.c --- a/kernel/time/tick-sched.c~time-dont-touch-an-offlined-cpus-ts-tick_stopped-in-tick_cancel_sched_timer +++ a/kernel/time/tick-sched.c @@ -633,7 +633,7 @@ 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 */ _ Patches currently in -mm which might be from fzu@xxxxxxxxxxxxxxxxxxxxx are git-hrt.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html