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Date:	Sun, 1 Jan 2012 13:47:27 +0200
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	Amit Shah <amit.shah@...hat.com>
Cc:	Virtualization List <virtualization@...ts.linux-foundation.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH v6 09/11] virtio: net: Add freeze, restore handlers to
 support S4

On Fri, Dec 30, 2011 at 03:08:19PM +0530, Amit Shah wrote:
> > 
> > > +	if (!try_fill_recv(vi, GFP_KERNEL))
> > > +		schedule_delayed_work(&vi->refill, 0);
> > 
> > This needs to be switched to non reentrant wq too?
> 
> Subsequent invocations could create problems?  Note that this will be
> the first item to be queued in the workqueue for the refill work.
> 
> 		Amit

See recent patches on net-next.
We switched other calls to a non reentrant wq so I think same
reasoning applies there.
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