linux-kernel - Re: [patch 021/104] lib/idr.c: fix rcu related race with idr

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Message-ID: <alpine.LFD.2.00.0812091447230.3340@localhost.localdomain>
Date:	Tue, 9 Dec 2008 14:47:41 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Dave Airlie <airlied@...il.com>
cc:	Greg KH <gregkh@...e.de>, linux-kernel@...r.kernel.org,
	stable@...nel.org, Justin Forbes <jmforbes@...uxtx.org>,
	Zwane Mwaikambo <zwane@....linux.org.uk>,
	"Theodore Ts'o" <tytso@....edu>,
	Randy Dunlap <rdunlap@...otime.net>,
	Dave Jones <davej@...hat.com>,
	Chuck Wolber <chuckw@...ntumlinux.com>,
	Chris Wedgwood <reviews@...cw.f00f.org>,
	Michael Krufky <mkrufky@...uxtv.org>,
	Chuck Ebbert <cebbert@...hat.com>,
	Domenico Andreoli <cavokz@...il.com>, Willy Tarreau <w@....eu>,
	Rodrigo Rubira Branco <rbranco@...checkpoint.com>,
	Jake Edge <jake@....net>, Eugene Teo <eteo@...hat.com>,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Manfred Spraul <manfred@...orfullife.com>,
	Clement Calmels <cboulte@...il.com>,
	Nadia Derbey <Nadia.Derbey@...l.net>,
	Pierre Peiffer <peifferp@...il.com>
Subject: Re: [patch 021/104] lib/idr.c: fix rcu related race with idr_find



On Wed, 10 Dec 2008, Dave Airlie wrote:
>
> On Thu, Dec 4, 2008 at 5:49 AM, Greg KH <gregkh@...e.de> wrote:
> > 2.6.27-stable review patch.  If anyone has any objections, please let us know.
> >
> Revert.
> 
> This caused problems in the F10 kernel with idr, the drm device alloc
> went all wierd,
> it might be a drm bug but changing this code triggers it and so it
> isn't really "stable"

Well, maybe it should be reverted in mainlne too, then?

		Linus
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