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

From: "Michael S. Tsirkin" <[email-masked]>
Date: Mon, 19 Sep 2011 09:01:50 +0300

On Mon, Sep 19, 2011 at 01:05:17PM +0930, Rusty Russell wrote:
> On Sat, 20 Aug 2011 23:00:44 +0300, "Michael S. Tsirkin" <[email-masked]> 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.

Do we even want capability bits then?
We can give each capability an ack flag ...

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MST