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

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Message-ID: <466F77AE.3050007@gmail.com>
Date:	Wed, 13 Jun 2007 13:50:54 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Greg KH <greg@...ah.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

Greg KH wrote:
> 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?
>> I can rebase all sysfs patches in -mm on top of linus#master + these
>> fixes if necessary.
> 
> Ok, I've sent these to Linus, so if he takes them, can you rebase your
> patches on top of this and resend the whole tree to me (or just the ones
> that needed to be modified, if that's easier.)

Sure thing.

> thanks again for this fix, I really appreciate it.

:-)

-- 
tejun
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