On Tue, Jul 31, 2018 at 06:13:58PM +0200, Anna-Maria Gleixner wrote:
> local_timer_softirq_pending() checks whether the timer softirq is
> pending with: local_softirq_pending() & TIMER_SOFTIRQ.
>
> This is wrong because TIMER_SOFTIRQ is the softirq number and not a
> bitmask. So the test checks for the wrong bit.
>
> Use BIT(TIMER_SOFTIRQ) instead.
>
> Fixes: 5d62c183f9e9 ("nohz: Prevent a timer interrupt storm in
> tick_nohz_stop_sched_tick()")
> Signed-off-by: Anna-Maria Gleixner <anna-ma...@linutronix.de>
Acked-by: Frederic Weisbecker <frede...@kernel.org>
Thanks!
