linux-kernel - Re: [tip:core/rcu] Revert "rcu: Decrease memory-barrier usage based on semi-formal proof"

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Date:	Wed, 25 May 2011 22:52:34 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	Yinghai Lu <yinghai@...nel.org>, linux-kernel@...r.kernel.org,
	mingo@...hat.com, hpa@...or.com, tglx@...utronix.de
Subject: Re: [tip:core/rcu] Revert "rcu: Decrease memory-barrier usage based
 on semi-formal proof"


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

> > We already fixed the worst problem via a revert, the semi-hang: 
> > so i don't think there's pressure to do other reverts - other 
> > than for diagnostic purposes, of course.
> 
> Given that I have to debug in any case, I am happier debugging in 
> the forward direction rather than in the backwards direction.  ;-)

hehe, fair enough :-)

Thanks,

	Ingo
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