netdev - Re: [PATCHv2 0/2] vhost: a kernel-level virtio server

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Message-ID: <4A820391.1090404@gmail.com>
Date:	Tue, 11 Aug 2009 19:49:37 -0400
From:	Gregory Haskins <gregory.haskins@...il.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
CC:	netdev@...r.kernel.org, virtualization@...ts.linux-foundation.org,
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org, mingo@...e.hu,
	linux-mm@...ck.org, akpm@...ux-foundation.org, hpa@...or.com
Subject: Re: [PATCHv2 0/2] vhost: a kernel-level virtio server

Michael S. Tsirkin wrote:
> This implements vhost: a kernel-level backend for virtio,
> The main motivation for this work is to reduce virtualization
> overhead for virtio by removing system calls on data path,
> without guest changes. For virtio-net, this removes up to
> 4 system calls per packet: vm exit for kick, reentry for kick,
> iothread wakeup for packet, interrupt injection for packet.
> 
> Some more detailed description attached to the patch itself.
> 
> The patches are against 2.6.31-rc4.  I'd like them to go into linux-next
> and down the road 2.6.32 if possible.  Please comment.

I will add this series to my benchmark run in the next day or so.  Any
specific instructions on how to set it up and run?

Regards,
-Greg


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