From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750992AbWLLJNK (ORCPT ); Tue, 12 Dec 2006 04:13:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750997AbWLLJNK (ORCPT ); Tue, 12 Dec 2006 04:13:10 -0500 Received: from mx2.go2.pl ([193.17.41.42]:34359 "EHLO poczta.o2.pl" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750992AbWLLJNI (ORCPT ); Tue, 12 Dec 2006 04:13:08 -0500 Date: Tue, 12 Dec 2006 10:20:14 +0100 From: Jarek Poplawski To: "Jeffrey V\. Merkey" Cc: linux-kernel@vger.kernel.org Subject: Re: Recursive spinlocks for Network Recursion Bugs in 2.6.18 Message-ID: <20061212092014.GA1922@ff.dom.local> Mail-Followup-To: Jarek Poplawski , "Jeffrey V. Merkey" , linux-kernel@vger.kernel.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <457A6637.3060101@wolfmountaingroup.com> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 09-12-2006 08:31, Jeffrey V. Merkey wrote: > > > This code segment in /net/core/dev.c is a prime example of the need for > recursive spin locks. ... > Recursive spinlocks perform the logic ... > LONG rspin_lock(rlock_t *rlock) ... > LONG rspin_unlock(rlock_t *rlock) ... Could you give some hint how this code from dev.c should be changed to gain by this? Jarek P.