linux-kernel - Re: [PATCH] cgroup_freezer: Freezing and task move race fix

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Message-Id: <201008130335.55641.rjw@sisk.pl>
Date:	Fri, 13 Aug 2010 03:35:55 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Matt Helsley <matthltc@...ibm.com>,
	Tomasz Buchert <Tomasz.Buchert@...ia.fr>
Cc:	Paul Menage <menage@...gle.com>, Li Zefan <lizf@...fujitsu.com>,
	containers@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cgroup_freezer: Freezing and task move race fix

On Thursday, August 12, 2010, Matt Helsley wrote:
> On Wed, Aug 11, 2010 at 09:35:43AM +0200, Tomasz Buchert wrote:
> > Matt Helsley a écrit :
...
> You're right, cgroup_mutex should protect against that. However presumably
> that same logic applies to the first case. So again I don't think the bug
> is a race.
> 
> <snipped the remaining cases which should be the same>
> 
> At this point I think the bug description in your patch needs to change
> but the patch itself is perfect. Assuming you agree with my assessment
> of the bug I think the process is: you'll rewrite the description, add -stable
> maintaners to your current Cc's (since this bug is simple, exists in previous
> versions, and is somewhat nasty), add:
> 
> Reviewed-by: Matt Helsley <matthltc@...ibm.com>
> Tested-by: Matt Helsley <matthltc@...ibm.com>
> 
> and send it to Andrew Morton. Hopefully then (if not before) Paul and Li
> will ack it.

Actaully, I maintain the freezer, so please send it to me.

Thanks,
Rafael
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