linux-kernel - Re: [PATCH] virtio-net: Read MAC only after initializing MSI-X

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Message-ID: <871uvdryq2.fsf@rustcorp.com.au>
Date:	Mon, 19 Sep 2011 13:05:17 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	"Michael S. Tsirkin" <mst@...hat.com>,
	Sasha Levin <levinsasha928@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
	kvm@...r.kernel.org
Subject: Re: [PATCH] virtio-net: Read MAC only after initializing MSI-X

On Sat, 20 Aug 2011 23:00:44 +0300, "Michael S. Tsirkin" <mst@...hat.com> wrote:
> On Fri, Aug 19, 2011 at 07:33:07PM +0300, Sasha Levin wrote:
> > Maybe this is better solved by copying the way it was done in PCI itself
> > with capability linked list?
> 
> There are any number of ways to lay out the structure.  I went for what
> seemed a simplest one.  For MSI-X the train has left the station.  We
> can probably still tweak where the high 32 bit features
> for 64 bit features are.  No idea if it's worth it.

Sorry, this has been in the back of my mind.  I think it's a good idea;
can we use the capability linked list for pre-device specific stuff from
now on?

Thanks,
Rusty.
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