linux-kernel - Re: [PATCH] PCI: Fix racing for pci device removing via sysfs

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Message-ID: <CAE9FiQWv-bN2XzHiQ0WU+Y678zcqs_Owua6vXXijdMO6=0OWpg@mail.gmail.com>
Date:	Fri, 26 Apr 2013 14:01:41 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Gu Zheng <guz.fnst@...fujitsu.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] PCI: Fix racing for pci device removing via sysfs

On Fri, Apr 26, 2013 at 1:53 PM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:

>
> You can't be serious.  This is a disgusting mess.  Checking a list
> pointer for LIST_POISON1?  As far as I'm concerned, this is a waste of
> my time.

Well, then need to hold the bus ref, and check bus->devices list instead.

Download attachment "fix_racing_removing_3.patch" of type "application/octet-stream" (3830 bytes)