This is a leftover from old days to avoid conflicts with dynticks idle code. Now full dynticks and idle dynticks are better integrated and interact without known issue.
So lets remove it. Cc: Christoph Lameter <[email protected]> Cc: Ingo Molnar <[email protected]> Cc; John Stultz <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Preeti U Murthy <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Viresh Kumar <[email protected]> Signed-off-by: Frederic Weisbecker <[email protected]> --- kernel/time/tick-sched.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 812f7a3..324482f 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -208,10 +208,8 @@ void __tick_nohz_full_check(void) struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched); if (tick_nohz_full_cpu(smp_processor_id())) { - if (ts->tick_stopped && !is_idle_task(current)) { - if (!can_stop_full_tick()) - tick_nohz_restart_sched_tick(ts, ktime_get()); - } + if (ts->tick_stopped && !can_stop_full_tick()) + tick_nohz_restart_sched_tick(ts, ktime_get()); } } @@ -710,7 +708,7 @@ static void tick_nohz_full_stop_tick(struct tick_sched *ts) #ifdef CONFIG_NO_HZ_FULL int cpu = smp_processor_id(); - if (!tick_nohz_full_cpu(cpu) || is_idle_task(current)) + if (!tick_nohz_full_cpu(cpu)) return; if (!ts->tick_stopped && ts->nohz_mode == NOHZ_MODE_INACTIVE) -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
