linux-kernel - Re: [PATCH] pci-sysfs: replace mutex_lock with mutex_trylock to avoid potential deadlock situation

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Message-ID: <CAE9FiQUP71TJgP21SRre4Mb2PrnUg+7KLzXnxHUviqCuNSL44w@mail.gmail.com>
Date:	Fri, 25 Jan 2013 10:57:58 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Gu Zheng <guz.fnst@...fujitsu.com>,
	Lin Feng <linfeng@...fujitsu.com>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, tangchen@...fujitsu.com,
	laijs@...fujitsu.com, wency@...fujitsu.com,
	izumi.taku@...fujitsu.com, Don Dutile <ddutile@...hat.com>
Subject: Re: [PATCH] pci-sysfs: replace mutex_lock with mutex_trylock to avoid
 potential deadlock situation

On Fri, Jan 25, 2013 at 9:44 AM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:
> [+cc Yinghai]
>
> On Fri, Jan 25, 2013 at 3:02 AM, Gu Zheng

Hi, Gu,

Can you check if two patches in

http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a=shortlog;h=refs/heads/for-pci-root-bus-hotplug-part3

could solve your problem?

http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a=commitdiff;h=277df390baeab7ba6aa136356b677a096c890c0c

PCI: Rescan bus using callback method too


http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a=commitdiff;h=282e2db3b58d56b5236ee755e1527574df0d298e

PCI, sysfs: Clean up rescan/remove with scheule_callback

Thanks

Yinghai
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