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Re: [Qemu-devel] [PATCH] virtio-spec: clarify ro/rw bits and updating ru


From: Jason Wang
Subject: Re: [Qemu-devel] [PATCH] virtio-spec: clarify ro/rw bits and updating rule of virtio-net status field
Date: Fri, 23 Mar 2012 10:57:24 +0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120310 Thunderbird/11.0

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