netdev - Re: [PATCH 6/7] PCI: Make sure VF's driver get attached after PF's

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Message-ID: <CAE9FiQWPNt42gsRwYqQwJM6VpZ-UF2+r-64p_aS3X7GdeVbXCA@mail.gmail.com>
Date:	Thu, 16 May 2013 11:36:05 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Tejun Heo <tj@...nel.org>
Cc:	Or Gerlitz <or.gerlitz@...il.com>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Yan Burman <yanb@...lanox.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	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>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Jack Morgenstein <jackm@...lanox.com>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Yevgeny Petrilin <yevgenyp@...lanox.com>
Subject: Re: [PATCH 6/7] PCI: Make sure VF's driver get attached after PF's

On Thu, May 16, 2013 at 10:53 AM, Tejun Heo <tj@...nel.org> wrote:
> On Thu, May 16, 2013 at 12:56:42AM -0400, Or Gerlitz wrote:
>> > > Please note that this whole lockdep warning was identified as false
>> > > positive by Tejun http://www.spinics.net/lists/linux-pci/msg21568.html
>> >
>> > No, at least one time, I noticed there is one real hang happens.
>>
>> Tejun, so what your thinking here?
>
> Can't really tell much without more details.  Yinghai, do you have any
> logs from such hang?  Are you sure it's from this?

I did not keep that log.

Will remove AlexD patch, try several times to see if I can duplicate it again.

Thanks

Yinghai
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