netdev - Re: [PATCH repost for-3.9] pci: avoid work_on

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Message-ID: <20130414134339.GA3050@htj.dyndns.org>
Date:	Sun, 14 Apr 2013 06:43:39 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Or Gerlitz <ogerlitz@...lanox.com>
Cc:	"Michael S. Tsirkin" <mst@...hat.com>,
	Ming Lei <ming.lei@...onical.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	David Miller <davem@...emloft.net>,
	Roland Dreier <roland@...nel.org>,
	netdev <netdev@...r.kernel.org>, Yan Burman <yanb@...lanox.com>,
	Jack Morgenstein <jackm@....mellanox.co.il>,
	Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org
Subject: Re: [PATCH repost for-3.9] pci: avoid work_on_cpu for nested SRIOV
 probes

On Sun, Apr 14, 2013 at 03:58:55PM +0300, Or Gerlitz wrote:
> So the patch eliminated the lockdep warning for mlx4 nested probing
> sequence, but introduced lockdep warning for
> 00:13.0 PIC: Intel Corporation 7500/5520/5500/X58 I/O Hub I/OxAPIC
> Interrupt Controller (rev 22)

Oops, the patch in itself doesn't really change anything.  The caller
should use a different subclass for the nested invocation, just like
spin_lock_nested() and friends.  Sorry about not being clear.
Michael, can you please help?

Thanks.

-- 
tejun
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