linux-kernel - Re: [PATCHSET 2.6.22-rc4] sysfs: fix race conditions

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Message-ID: <20070612005429.GA11388@kroah.com>
Date:	Mon, 11 Jun 2007 17:54:29 -0700
From:	Greg KH <greg@...ah.com>
To:	Tejun Heo <htejun@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, cebbert@...hat.com,
	sandeen@...hat.com, maneesh@...ibm.com, cs@...uila.co.jp
Subject: Re: [PATCHSET 2.6.22-rc4] sysfs: fix race conditions

On Mon, Jun 11, 2007 at 03:15:39PM +0900, Tejun Heo wrote:
> Andrew Morton wrote:
> >> This patchset contains three minimal backports of fixes in -mm.  With
> >> all patches in the patchset and sysfs-races.patch applied, kernel
> >> survived ~20 hours of stress test without any problem.
> > 
> > So these are being proposed for 2.6.22?
> 
> Yeap.
> 
> > I do wonder about Rafael's bug which he bisected down to
> > gregkh-driver-sysfs-use-singly-linked-list-for-sysfs_dirent-tree.patch.
> > 
> > If that won't be a problem in this patchset then I spose it's probably best
> > to go ahead with a 2.6.22 merge, but it's more a Greg thing than a me
> > thing.
> 
> I'm currently debugging that and it's irrelevant to these fixes.  The
> bug is introduced far after the fixes.
> 
> > I don't have a tree to merge these patches into, unless I drop all the
> > patches which are in Greg's tree.
> > 
> > Greg, can I leave it up to you to decide how we are to proceed here?

Ok, I'll test them out, and if look sane pass them to Linus.

> I can rebase all sysfs patches in -mm on top of linus#master + these
> fixes if necessary.

Yeah, I'll need that if these look good enough, otherwise my tree will
stop applying :)

Give me some time tonight to do this...

thanks,

greg k-h
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