From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: Network performance with small packets - continued Date: Thu, 10 Mar 2011 08:54:58 +0200 Message-ID: <20110310065457.GA22820@redhat.com> References: <201103071631.41964.tahm@linux.vnet.ibm.com> <201103091411.09062.tahm@linux.vnet.ibm.com> <20110309215537.GA11516@redhat.com> <201103091725.12992.tahm@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Shirley Ma , Rusty Russell , Krishna Kumar2 , David Miller , kvm@vger.kernel.org, netdev@vger.kernel.org, steved@us.ibm.com To: Tom Lendacky Return-path: Received: from mx1.redhat.com ([209.132.183.28]:46498 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752242Ab1CJGz3 (ORCPT ); Thu, 10 Mar 2011 01:55:29 -0500 Content-Disposition: inline In-Reply-To: <201103091725.12992.tahm@linux.vnet.ibm.com> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, Mar 09, 2011 at 05:25:11PM -0600, Tom Lendacky wrote: > As for which CPU the interrupt gets pinned to, that doesn't matter - see > below. So what hurts us the most is that the IRQ jumps between the VCPUs?