From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758300AbYCUQKa (ORCPT ); Fri, 21 Mar 2008 12:10:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752859AbYCUQKW (ORCPT ); Fri, 21 Mar 2008 12:10:22 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:48331 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752641AbYCUQKW (ORCPT ); Fri, 21 Mar 2008 12:10:22 -0400 Message-ID: <47E3DDD1.2010601@pobox.com> Date: Fri, 21 Mar 2008 12:09:53 -0400 From: Jeff Garzik User-Agent: Thunderbird 2.0.0.12 (X11/20080226) MIME-Version: 1.0 To: Ingo Molnar CC: Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: [patch] forcedeth: fix locking bug with netconsole References: <20080321155213.GA22755@elte.hu> In-Reply-To: <20080321155213.GA22755@elte.hu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.4 (----) X-Spam-Report: SpamAssassin version 3.2.4 on srv5.dvmed.net summary: Content analysis details: (-4.4 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ingo Molnar wrote: > Subject: forcedeth: fix locking bug with netconsole > From: Ingo Molnar > > while using netconsole on forcedeth, lockdep noticed the following > locking bug: [...] > the fix is to disable/restore irqs instead of disable/enable. So we make _the_ TX fast path slower, to accomodate a path that is rarely executed? That seems like the wrong fix to me. Jeff