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From: Rusty Russell <rusty@rustcorp.com.au>
To: "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [PATCH] virtio: put last seen used index into ring itself
Date: Tue, 18 May 2010 17:11:07 +0930
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Cc: Jiri Pirko <jpirko@redhat.com>, Shirley Ma <xma@us.ibm.com>,
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On Tue, 18 May 2010 10:17:44 am Michael S. Tsirkin wrote:
> Generally, the Host end of the virtio ring doesn't need to see where
> Guest is up to in consuming the ring.  However, to completely understand
> what's going on from the outside, this information must be exposed.
> For example, host can reduce the number of interrupts by detecting
> that the guest is currently handling previous buffers.

Thanks applied.

Cheers,
Rusty.