From: Rusty Russell <rusty@rustcorp•com.au>
To: Shirley Ma <mashirle@us•ibm.com>, "Michael S. Tsirkin" <mst@redhat•com>
Cc: Herbert Xu <herbert@gondor•hengli.com.au>,
davem@davemloft•net, kvm@vger•kernel.org, netdev@vger•kernel.org
Subject: Re: [PATCH 2/2] virtio_net: remove send completion interrupts and avoid TX queue overrun through packet drop
Date: Fri, 25 Mar 2011 15:21:54 +1030 [thread overview]
Message-ID: <87k4fnls45.fsf@rustcorp.com.au> (raw)
In-Reply-To: <1300988809.3441.48.camel@localhost.localdomain>
On Thu, 24 Mar 2011 10:46:49 -0700, Shirley Ma <mashirle@us•ibm.com> wrote:
> On Thu, 2011-03-24 at 16:28 +0200, Michael S. Tsirkin wrote:
> > Several other things I am looking at, wellcome cooperation:
> > 1. It's probably a good idea to update avail index
> > immediately instead of upon kick: for RX
> > this might help parallelism with the host.
> Is that possible to use the same idea for publishing last used idx to
> publish avail idx? Then we can save guest iowrite/exits.
Yes, it should be symmetrical. Test independently of course, but the
same logic applies.
Thanks!
Rusty.
next prev parent reply other threads:[~2011-03-25 11:22 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-17 0:12 [PATCH 2/2] virtio_net: remove send completion interrupts and avoid TX queue overrun through packet drop Shirley Ma
2011-03-17 5:02 ` Michael S. Tsirkin
2011-03-17 15:18 ` Shirley Ma
2011-03-18 3:28 ` Shirley Ma
2011-03-18 13:15 ` Michael S. Tsirkin
2011-03-18 16:54 ` Shirley Ma
2011-03-17 5:10 ` Rusty Russell
2011-03-17 15:10 ` Shirley Ma
2011-03-18 13:33 ` Herbert Xu
2011-03-19 1:41 ` Shirley Ma
2011-03-21 18:03 ` Shirley Ma
2011-03-22 11:36 ` Michael S. Tsirkin
2011-03-23 2:26 ` Shirley Ma
2011-03-24 0:30 ` Rusty Russell
2011-03-24 4:14 ` Shirley Ma
2011-03-24 14:28 ` Michael S. Tsirkin
2011-03-24 17:46 ` Shirley Ma
2011-03-24 18:10 ` Michael S. Tsirkin
2011-03-25 4:51 ` Rusty Russell [this message]
2011-03-25 4:50 ` Rusty Russell
2011-03-27 7:52 ` Michael S. Tsirkin
2011-04-04 6:13 ` Rusty Russell
2011-03-24 0:16 ` Rusty Russell
2011-03-24 6:39 ` Michael S. Tsirkin
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