On 04/06/2015 07:15 PM, Marcelo Tosatti wrote: > > > It is only necessary to raise timer softirq > in case there are active timers. > > Limit the ksoftirqd wakeup to that case. > > Fixes a latency spike with isolated CPUs and > nohz full mode. > > v2: fix variable initialization > do not raise timer softirq due to pending irqwork > > Reported-and-tested-by: Luiz Capitulino <lcapitul...@redhat.com> > Signed-off-by: Marcelo Tosatti <mtosa...@redhat.com>
Reviewed-by: Rik van Riel <r...@redhat.com> -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/