linux-kernel - [PATCH 0/4] nohz: Fix racy sleeptime stats

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Message-Id: <1376009678-7312-1-git-send-email-fweisbec@gmail.com>
Date:	Fri,  9 Aug 2013 02:54:34 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Fernando Luis Vazquez Cao <fernando_b1@....ntt.co.jp>,
	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arjan van de Ven <arjan@...ux.intel.com>
Subject: [PATCH 0/4] nohz: Fix racy sleeptime stats

Hi,

Here is a propsition to fix the bug described here:

http://lkml.kernel.org/r/1363660703.4993.3.camel@nexus
http://lkml.kernel.org/r/201304012205.DFC60784.HVOMJSFFLFtOOQ@I-love.SAKURA.ne.jp

You can try the following branch:

git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
	timers/nohz-sleeptime-fix

Thanks,
	Frederic
---

Frederic Weisbecker (4):
      nohz: Only update sleeptime stats locally
      nohz: Synchronize sleep time stats with seqlock
      nohz: Consolidate sleep time stats read code
      nohz: Convert a few places to use local per cpu accesses


 include/linux/tick.h     |    2 +
 kernel/time/tick-sched.c |  124 +++++++++++++++++++--------------------------
 2 files changed, 54 insertions(+), 72 deletions(-)
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