3.13.11.3 -stable review patch. If anyone has any objections, please let me know.

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From: Viresh Kumar viresh.kumar@linaro.org

commit 27630532ef5ead28b98cfe28d8f95222ef91c2b7 upstream.

Since commit d689fe222 (NOHZ: Check for nohz active instead of nohz enabled) the tick_nohz_switch_to_nohz() function returns because it checks for the tick_nohz_active flag. This can't be set, because the function itself sets it.

Undo the change in tick_nohz_switch_to_nohz().

Signed-off-by: Viresh Kumar viresh.kumar@linaro.org Cc: linaro-kernel@lists.linaro.org Cc: fweisbec@gmail.com Cc: Arvind.Chauhan@arm.com Cc: linaro-networking@linaro.org Link: http://lkml.kernel.org/r/40939c05f2d65d781b92b20302b02243d0654224.1397537987... Signed-off-by: Thomas Gleixner tglx@linutronix.de Signed-off-by: Kamal Mostafa kamal@canonical.com --- kernel/time/tick-sched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index ea20f7d..29b063b 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -970,7 +970,7 @@ static void tick_nohz_switch_to_nohz(void) struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched); ktime_t next;

- if (!tick_nohz_active) + if (!tick_nohz_enabled) return;

local_irq_disable();