From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pekka Enberg <penberg@kernel.org>
Subject: Re: [PATCH 1/3] kvm tools: Make virtio-net kvm__irq_line thread
 safe
Date: Sat, 30 Apr 2011 10:44:34 +0300
Message-ID: <1304149474.12132.40.camel@jaguar>
References: <1304058985-13833-1-git-send-email-asias.hejun@gmail.com>
	 <20110429073006.GB16371@elte.hu> <4DBA6CFE.5090400@gmail.com>
	 <20110429103210.GB24217@elte.hu>
	 <BANLkTimfMK2GyLhC0ghN9HQ66cJH2zZeZQ@mail.gmail.com>
	 <BANLkTi=spBdGGLFBszqUHCfw1RtpW3ta2A@mail.gmail.com>
	 <20110429195900.GB17166@elte.hu>
Mime-Version: 1.0
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: 7bit
Cc: Asias He <asias.hejun@gmail.com>,
	Cyrill Gorcunov <gorcunov@gmail.com>,
	Sasha Levin <levinsasha928@gmail.com>,
	Prasad Joshi <prasadjoshi124@gmail.com>, kvm@vger.kernel.org
To: Ingo Molnar <mingo@elte.hu>
Return-path: <kvm-owner@vger.kernel.org>
Received: from filtteri2.pp.htv.fi ([213.243.153.185]:35899 "EHLO
	filtteri2.pp.htv.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1750755Ab1D3Hog (ORCPT <rfc822;kvm@vger.kernel.org>);
	Sat, 30 Apr 2011 03:44:36 -0400
In-Reply-To: <20110429195900.GB17166@elte.hu>
Sender: kvm-owner@vger.kernel.org
List-ID: <kvm.vger.kernel.org>

On Fri, 2011-04-29 at 21:59 +0200, Ingo Molnar wrote:
> Also, do perhaps TX activity assume a wakeup for RX processing? Right now the 
> TX and RX threads are independent. So it would be nice to document how the 
> virtio protocol works.

So in

http://ozlabs.org/~rusty/virtio-spec/virtio-spec.pdf

check out

Section 2.4.1 Supplying Buffers to The Device

and

Section 2.4.2 Receiving Used Buffers From The Device

			Pekka