Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756424AbZCSNq3 (ORCPT ); Thu, 19 Mar 2009 09:46:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755105AbZCSNqR (ORCPT ); Thu, 19 Mar 2009 09:46:17 -0400 Received: from one.firstfloor.org ([213.235.205.2]:54273 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754460AbZCSNqQ (ORCPT ); Thu, 19 Mar 2009 09:46:16 -0400 Date: Thu, 19 Mar 2009 14:46:49 +0100 From: Andi Kleen To: "Peter W. Morreale" Cc: Andi Kleen , Vernon Mauery , netdev , LKML , rt-users Subject: Re: High contention on the sk_buff_head.lock Message-ID: <20090319134649.GX11935@one.firstfloor.org> References: <49C12E64.1000301@us.ibm.com> <87prge1rhu.fsf@basil.nowhere.org> <1237467559.6926.31.camel@hermosa> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1237467559.6926.31.camel@hermosa> 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: 434 Lines: 13 > Recall that adaptive spin,developed in RT, is now in mainline. For mutexes, but not for spinlocks. And qdisc uses spinlocks. -Andi -- ak@linux.intel.com -- Speaking for myself only. -- 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/