linux-kernel - Re: Debugging Thinkpad T430s occasional suspend failure.

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Date:	Sat, 16 Feb 2013 12:54:51 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Dave Jones <davej@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Hugh Dickins <hughd@...gle.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Debugging Thinkpad T430s occasional suspend failure.

On Wed, Feb 13, 2013 at 03:53:13PM -0500, Dave Jones wrote:
> On Wed, Feb 13, 2013 at 11:56:25AM -0800, Linus Torvalds wrote:

[ . . . ]

> Which points out something in tree-rcu.  Which I don't even have compiled in,
> because I have CONFIG_PREEMPT set.

FWIW, the code in kernel/rcutree.c is shared between CONFIG_TREE_RCU
and CONFIG_TREE_PREEMPT_RCU.  The differences between these two options
is mostly in kernel/rcutree_plugin.h under #ifdef, with some others in
include/linux/rcudate.h and kernel/rcutree.h.

							Thanx, Paul

> I'll keep trying some of the earlier good branches in case I missed something.
> 
> 	Dave
> 
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