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SubjectRe: [PATCH] virtio-spec: clarify ro/rw bits and updating rule of virtio-net status field
On Tue, 20 Mar 2012 14:20:21 +0800, Jason Wang <> 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 <>

This approach assumes an active config field, which neither lguest nor
S/390 have.

How could I marry someone with more hair than me?

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