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Re: [Qemu-devel] [PATCH] virtio-spec: clarify ro/rw bits and updating ru
From: |
Rusty Russell |
Subject: |
Re: [Qemu-devel] [PATCH] virtio-spec: clarify ro/rw bits and updating rule of virtio-net status field |
Date: |
Thu, 22 Mar 2012 15:00:22 +1030 |
User-agent: |
Notmuch/0.6.1-1 (http://notmuchmail.org) Emacs/23.3.1 (i686-pc-linux-gnu) |
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.
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