Re: [GIT PULL] nohz: Fix warning with perf on full dynticks

From: Ingo Molnar
Date: Fri Sep 05 2014 - 02:16:52 EST



* Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:

> Ingo,
>
> Please pull the timers/urgent branch that can be found at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
> timers/urgent
>
> HEAD: 40bea039593dfc7f3f9814dab844f6db43ae580b
>
> Summary:
>
> * A patch merged in this merge window turned the nohz full kick to
> become NMI-unsafe. But perf needs to use this kick from NMIs.
> This patch fixes the issue by restoring the old NMI-safe internals of
> the API.
>
> Thanks,
> Frederic
> ---
>
> Frederic Weisbecker (1):
> nohz: Restore NMI safe local irq work for local nohz kick
>
>
> include/linux/tick.h | 7 +------
> kernel/time/tick-sched.c | 14 ++++++++++++++
> 2 files changed, 15 insertions(+), 6 deletions(-)

Pulled into tip:timers/urgent, thanks Frederic!

Ingo
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