linux-kernel - Re: [PATCH tip/core/rcu] classic RCU locking and memory-barrier cleanups

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Message-ID: <20080815140902.GE14103@elte.hu>
Date:	Fri, 15 Aug 2008 16:09:02 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	oleg@...sign.ru, manfred@...orfullife.com, dipankar@...ibm.com,
	rostedt@...dmis.org, dvhltc@...ibm.com, niv@...ibm.com
Subject: Re: [PATCH tip/core/rcu] classic RCU locking and memory-barrier
	cleanups


* Paul E. McKenney <paulmck@...ux.vnet.ibm.com> wrote:

> This patch simplifies the locking and memory-barrier usage in the 
> Classic RCU grace-period-detection mechanism, incorporating Lai 
> Jiangshan's feedback from the earlier version 
> (http://lkml.org/lkml/2008/8/1/400 and 
> http://lkml.org/lkml/2008/8/3/43).  Passed 10 hours of rcutorture 
> concurrent with CPUs being put online and taken offline on a 
> 128-hardware-thread Power machine.  My apologies to whoever in the 
> Eastern Hemisphere was planning to use this machine over the Western 
> Hemisphere night, but it was sitting idle and...
> 
> So this is ready for tip/core/rcu.

applied to tip/core/rcu - thanks Paul!

	Ingo
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