From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: vhost-net patches
Date: Tue, 27 Oct 2009 08:43:02 +0200
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Cc: Sridhar Samudrala <sri@us.ibm.com>, Shirley Ma <xma@us.ibm.com>,
	David Stevens <dlstevens@us.ibm.com>, kvm@vger.kernel.org,
	sri@linux.vnet.ibm.com, mashirle@linux.vnet.ibm.com
To: Shirley Ma <mashirle@us.ibm.com>
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On Mon, Oct 26, 2009 at 02:34:49PM -0700, Shirley Ma wrote:
> Hello Miachel,
> 
> On Mon, 2009-10-26 at 22:05 +0200, Michael S. Tsirkin wrote:
> > Shirley, could you please test the following patch?
> 
> With this patch, the performance has gained from 1xxx to 2xxx Mb/s,
> still has some performance gap compared to without vhost. It was
> 3xxxMb/s before from guest to host on my set up.

At some point my guest had a runaway nash-hotplug process
consuming 100% CPU. Could you please verify this
does not happen to you?

> Looks like your git tree virtio_net has fixed the skb_xmit panic I have
> seen before as well, good news.
> 
> Thanks
> Shirley