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Date:	Wed, 16 Jul 2014 22:57:39 -0400
From:	Sasha Levin <sasha.levin@...cle.com>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org
CC:	mingo@...nel.org, laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	josh@...htriplett.org, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, rostedt@...dmis.org, dhowells@...hat.com,
	edumazet@...gle.com, dvhart@...ux.intel.com, fweisbec@...il.com,
	oleg@...hat.com, sbw@....edu, linux-rt-users@...r.kernel.org
Subject: Re: [PATCH RFC tip/core/rcu 1/2] rcu: Rationalize kthread spawning

On 07/14/2014 06:06 AM, Paul E. McKenney wrote:
> From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
> 
> Currently, RCU spawns kthreads from several different early_initcall()
> functions.  Although this has served RCU well for quite some time,
> as more kthreads are added a more deterministic approach is required.
> This commit therefore causes all of RCU's early-boot kthreads to be
> spawned from a single early_initcall() function.
> 
> Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

Hey Paul,

I've updated to today's -next and my VM started hanging on boot. Bisect
pointed out this patch.

I don't have any further info right now, but can provide whatever you'll
find useful.


Thanks,
Sasha

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