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

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Message-ID: <20140905061643.GA26453@gmail.com>
Date:	Fri, 5 Sep 2014 08:16:43 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Catalin Iacob <iacobcatalin@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Dave Jones <davej@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [GIT PULL] nohz: Fix warning with perf on full dynticks


* Frederic Weisbecker <fweisbec@...il.com> 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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