[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
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: |
Tue, 20 Mar 2012 21:35:18 +1030 |
|
User-agent: |
Notmuch/0.6.1-1 (http://notmuchmail.org) Emacs/23.3.1 (i686-pc-linux-gnu) |
On Tue, 20 Mar 2012 14:20:21 +0800, Jason Wang <address@hidden> wrote:
> This patch clarifies VIRTIO_NET_S_LINK_UP as a read-only bit and
> VIRTIO_NET_S_ANNOUNCE as a read-writable bit. Also introduce the write 1 to
> clear semantics for all read-writable bits of config status field. This could
> help to reduce the config status field updating race between host and guest
> and
> also simplify the implementation.
>
> Signed-off-by: Jason Wang <address@hidden>
This approach assumes an active config field, which neither lguest nor
S/390 have.
Thanks,
Rusty.
--
How could I marry someone with more hair than me? http://baldalex.org