From: Rusty Russell <rusty@rustcorp.com.au>
To: Jason Wang <jasowang@redhat.com>,
virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, mst@redhat.com
Subject: Re: [RFC V2 PATCH] virtio-spec: ack the announce notification through ctrl_vq
Date: Mon, 26 Mar 2012 11:12:05 +1030 [thread overview]
Message-ID: <878viochwi.fsf@rustcorp.com.au> (raw)
In-Reply-To: <20120323030501.6912.96218.stgit@jason-ThinkPad-T400>
On Fri, 23 Mar 2012 11:05:01 +0800, Jason Wang <jasowang@redhat.com> wrote:
> During link announcement, driver needs a method to notify device that it has
> received the notification and let it clear the VIRITO_NET_S_ANNOUNCE bit in the
> status field. Doing this through a dedicated command looks suitable for all
> platforms (especially for the ones who don't trap the status read or write) with
> a ctrl vq and can solve the race between host and guest.
>
> So this patch makes VIRTIO_NET_F_ANNOUNCE depends on VIRTIO_NET_F_CTRL_VQ and
> introduces a dedicated command VIRTIO_NET_CTRL_ANNOUNCE_ACK to let device clear
> the VIRTIO_NET_S_ANNOUNCE bit in the status field.
Applied, thanks!
Cheers,
Rusty.
--
How could I marry someone with more hair than me? http://baldalex.org
prev parent reply other threads:[~2012-03-26 0:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-23 3:05 [RFC V2 PATCH] virtio-spec: ack the announce notification through ctrl_vq Jason Wang
2012-03-26 0:42 ` Rusty Russell [this message]
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