linux-kernel - Re: [Qemu-devel] [PATCH] virtio-spec: clarify ro/rw bits and updating rule of virtio-net status field

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Date:	Fri, 23 Mar 2012 10:57:24 +0800
From:	Jason Wang <jasowang@...hat.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
CC:	"Michael S. Tsirkin" <mst@...hat.com>, qemu-devel@...gnu.org,
	Christian Borntraeger <borntraeger@...ibm.com>,
	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org
Subject: Re: [Qemu-devel] [PATCH] virtio-spec: clarify ro/rw bits and updating
 rule of virtio-net status field

On 03/22/2012 12:30 PM, Rusty Russell wrote:
> On Wed, 21 Mar 2012 08:37:46 +0200, "Michael S. Tsirkin"<mst@...hat.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

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