From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933044AbcLHXT4 (ORCPT ); Thu, 8 Dec 2016 18:19:56 -0500 Received: from violet.fr.zoreil.com ([92.243.8.30]:38194 "EHLO violet.fr.zoreil.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932457AbcLHXTz (ORCPT ); Thu, 8 Dec 2016 18:19:55 -0500 Date: Fri, 9 Dec 2016 00:19:43 +0100 From: Francois Romieu To: Lino Sanfilippo Cc: bh74.an@samsung.com, ks.giri@samsung.com, vipul.pandya@samsung.com, peppe.cavallaro@st.com, alexandre.torgue@st.com, pavel@ucw.cz, davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH 1/2] net: ethernet: sxgbe: remove private tx queue lock Message-ID: <20161208231943.GA13102@electric-eye.fr.zoreil.com> References: <1481141138-19466-1-git-send-email-LinoSanfilippo@gmx.de> <1481141138-19466-2-git-send-email-LinoSanfilippo@gmx.de> <20161207231534.GB5889@electric-eye.fr.zoreil.com> <051e3043-8b58-0591-36e3-99e2267f67f4@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <051e3043-8b58-0591-36e3-99e2267f67f4@gmx.de> X-Organisation: Land of Sunshine Inc. User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Lino Sanfilippo : [...] > OTOH Pavel said that he actually could produce a deadlock. Now I wonder if > this is caused by that locking scheme (in a way I have not figured out yet) > or if it is a different issue. stmmac_tx_err races with stmmac_xmit. -- Ueimor