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From: Rusty Russell <rusty@rustcorp.com.au>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jiri Pirko <jpirko@redhat.com>, Shirley Ma <xma@us.ibm.com>,
	Amit Shah <amit.shah@redhat.com>,
	Mark McLoughlin <markmc@redhat.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	quintela@redhat.com, alex.williamson@redhat.com
Subject: Re: [PATCH] virtio: put last seen used index into ring itself
Date: Tue, 18 May 2010 17:11:07 +0930	[thread overview]
Message-ID: <201005181711.08128.rusty@rustcorp.com.au> (raw)
In-Reply-To: <20100518004744.GA21359@redhat.com>

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.

  reply	other threads:[~2010-05-18 14:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-18  0:47 [PATCH] virtio: put last seen used index into ring itself Michael S. Tsirkin
2010-05-18  0:47 ` Michael S. Tsirkin
2010-05-18  7:41 ` Rusty Russell [this message]
2010-05-18 10:27 ` Jes Sorensen
2010-05-18 10:25   ` Michael S. Tsirkin

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