From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH 2/2] kvm tools: Respect VRING_AVAIL_F_NO_INTERRUPT
Date: Sat, 7 May 2011 09:55:27 +0200
Message-ID: <20110507075527.GA25065@elte.hu>
References: <1304735660-10844-1-git-send-email-asias.hejun@gmail.com>
 <1304735660-10844-2-git-send-email-asias.hejun@gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cc: Pekka Enberg <penberg@kernel.org>,
	Cyrill Gorcunov <gorcunov@gmail.com>,
	Sasha Levin <levinsasha928@gmail.com>,
	Prasad Joshi <prasadjoshi124@gmail.com>, kvm@vger.kernel.org
To: Asias He <asias.hejun@gmail.com>
Return-path: <kvm-owner@vger.kernel.org>
Received: from mx3.mail.elte.hu ([157.181.1.138]:38740 "EHLO mx3.mail.elte.hu"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1751205Ab1EGHzh (ORCPT <rfc822;kvm@vger.kernel.org>);
	Sat, 7 May 2011 03:55:37 -0400
Content-Disposition: inline
In-Reply-To: <1304735660-10844-2-git-send-email-asias.hejun@gmail.com>
Sender: kvm-owner@vger.kernel.org
List-ID: <kvm.vger.kernel.org>


* Asias He <asias.hejun@gmail.com> wrote:

> Do not inject IRQ when guest suppress it.
> 
> This can reduce IRQ injection further and bumps
> host to guest bandwitdh to 6178.78 Mbps(cpu 63.96%).

Very nice!

Btw., do we have a firm resolution for the ping latency problem that the virtio 
ring-buffer and net driver suffered from? If it's fixed, which commit fixed the 
root cause?

Thanks,

	Ingo