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Date: Fri, 23 Mar 2012 10:57:24 +0800
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Subject: Re: [Qemu-devel] [PATCH] virtio-spec: clarify ro/rw bits and
 updating rule of virtio-net status field
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To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>, virtualization@lists.linux-foundation.org, qemu-devel@nongnu.org, linux-kernel@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>

On 03/22/2012 12:30 PM, Rusty Russell wrote:
> On Wed, 21 Mar 2012 08:37:46 +0200, "Michael S. Tsirkin"<mst@redhat.com>  wrote:
>> Ah. Right, we need to trap for host to clear the bit.
>> OK, so let's make the bit RO, and add
>> VIRTIO_NET_CTRL_ANNOUNCED to acknowledge that we've
>> seen VIRTIO_NET_S_ANNOUNCE using the control VQ?
> Thanks, that's nice.  Guest should send arp packets first, then send
> VIRTIO_NET_CTRL_ANNOUNCED, and ignore the bit being set in the meantime.
>
> Thanks,
> Rusty.
Sure, I would update and re-send the spec updating patch.

Thanks