Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763804AbZDCLRY (ORCPT ); Fri, 3 Apr 2009 07:17:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762452AbZDCLRJ (ORCPT ); Fri, 3 Apr 2009 07:17:09 -0400 Received: from one.firstfloor.org ([213.235.205.2]:46343 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761725AbZDCLRI (ORCPT ); Fri, 3 Apr 2009 07:17:08 -0400 Date: Fri, 3 Apr 2009 13:18:54 +0200 From: Andi Kleen To: Gerd Hoffmann Cc: Avi Kivity , Herbert Xu , ghaskins@novell.com, anthony@codemonkey.ws, andi@firstfloor.org, linux-kernel@vger.kernel.org, agraf@suse.de, pmullaney@novell.com, pmorreale@novell.com, rusty@rustcorp.com.au, netdev@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [RFC PATCH 00/17] virtual-bus Message-ID: <20090403111854.GA11935@one.firstfloor.org> References: <20090402085253.GA29932@gondor.apana.org.au> <49D47F11.6070400@redhat.com> <49D5EBE1.8030200@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49D5EBE1.8030200@redhat.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 456 Lines: 12 > Check shared ring status when stuffing a request. If there are requests That means you're bouncing cache lines all the time. Probably not a big issue on single socket but could be on larger systems. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/