linux-kernel - Re: hrtimer deadlock caused by nohz

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Message-ID: <20141007173730.GA12147@redhat.com>
Date:	Tue, 7 Oct 2014 13:37:30 -0400
From:	Dave Jones <davej@...hat.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: hrtimer deadlock caused by nohz_full

On Tue, Oct 07, 2014 at 05:30:27PM +0200, Frederic Weisbecker wrote:

 > >  > Right, this patchset fixes it: "[PATCH 0/8] nohz: Fix nohz kick irq work on tick v3"
 > >  > 
 > >  > I was about to make the pull request, the branch is acked by peterz.
 > >  > Would you like to pull it? It's all merge window material.
 > >  > 
 > >  > git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
 > >  > 	nohz/fixes-v3
 > > 
 > > I'm now hitting this with such regularity that it's preventing me from
 > > tracking down other bugs.  Can we get this merged soon please ?
 > 
 > I asked Thomas to pull but he probably missed it. So I did a formal pull request
 > to Ingo a few days later but he told me that the pull request was made too late
 > as the merge window was too close. I told him it fixes annoying bugs but that was on IRC
 > so this probably got lost.
 > 
 > It will probably be delayed to 3.18
 > Sorry I don't have much control myself on merging patches upstream.

I got fed up of hitting it this morning and pull this into 3.17, and got
a bunch of rejects, as that tree is against rc5.  Is there an updated
patchset somewhere else?

	Dave

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