Subject: Re: [PATCH RFC] virtio_net: fix refill related races

From: Tejun Heo <[email-masked]>
Date: Tue, 20 Dec 2011 11:31:54 -0800

On Tue, Dec 20, 2011 at 09:30:55PM +0200, Michael S. Tsirkin wrote:
> Hmm, in that case it looks like a nasty race could get
> triggered, with try_fill_recv run on multiple CPUs in parallel,
> corrupting the linked list within the vq.
> 
> Using the mutex as my patch did will fix that naturally, as well.

Don't know the code but just use nrt wq.  There's even a system one
called system_nrq_wq.

Thanks.

-- 
tejun