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.
next prev parent reply other threads:[~2010-05-18 14:20 UTC|newest]
Thread overview: 4+ 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 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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