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

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Message-ID: <87bovg4wj3.fsf@rustcorp.com.au>
Date:	Tue, 23 Aug 2011 13:19:36 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	Sasha Levin <levinsasha928@...il.com>,
	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 Mon, 22 Aug 2011 11:36:13 +0300, "Michael S. Tsirkin" <mst@...hat.com> wrote:
> Yes. Or maybe 'WHEN' - since if MSI-X is disabled again, it moves back.
> Let's update the spec to make it clearer?

I left the language as is, but added a footnote at the end of the
sentence:

If MSI-X is enabled for the device, two additional fields immediately
follow this header:
[footnote: ie. once you enable MSI-X on the device, the other
           fields move. If you turn it off again, they move back!]

Thanks,
Rusty.
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