From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763617AbZCaWJb (ORCPT ); Tue, 31 Mar 2009 18:09:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763504AbZCaWI5 (ORCPT ); Tue, 31 Mar 2009 18:08:57 -0400 Received: from smtp-out003.kontent.com ([81.88.40.217]:46728 "EHLO smtp-out003.kontent.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763512AbZCaWI4 convert rfc822-to-8bit (ORCPT ); Tue, 31 Mar 2009 18:08:56 -0400 From: Oliver Neukum To: Larry Finger , David Miller Subject: Re: [PATCH 1/2 V2] kaweth: Fix locking to be SMP-safe Date: Wed, 1 Apr 2009 00:13:04 +0200 User-Agent: KMail/1.10.3 (Linux/2.6.29-9-default; KDE/4.1.3; x86_64; ; ) Cc: jgarzik@pobox.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org References: <49d264dd.YwbXLw18YaD1tQqD%Larry.Finger@lwfinger.net> In-Reply-To: <49d264dd.YwbXLw18YaD1tQqD%Larry.Finger@lwfinger.net> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200904010013.05494.oliver@neukum.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am Dienstag 31 März 2009 20:45:49 schrieb Larry Finger: > @@ -796,7 +799,7 @@ static int kaweth_start_xmit(struct sk_b > @@ -848,7 +851,7 @@ skip: > net->trans_start = jiffies; > } > > - spin_unlock(&kaweth->device_lock); > + spin_unlock_irq(&kaweth->device_lock); Here you enable interrupts. Are you sure ndo_start_xmit is never called with interrupts disabled? Regards Oliver