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

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Message-ID: <CAE9FiQVV20XktXTfQ2OKQeprL1V2rGORpUf8VBOyDB4Y+VOCNQ@mail.gmail.com>
Date:	Fri, 25 Jan 2013 12:59:28 -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>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiang Liu <jiang.liu@...wei.com>
Subject: Re: [PATCH] pci-sysfs: replace mutex_lock with mutex_trylock to avoid
 potential deadlock situation

On Fri, Jan 25, 2013 at 12:30 PM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:

> If we're going to fix the sysfs deadlock (and we should), I want to
> either see an argument for why we don't have a problem outside of
> sysfs, or I want to fix sysfs and non-sysfs at the same time.

Sure.

Jiang should have one patches to address that?

Yinghai
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