From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4D144C04AB5 for ; Mon, 3 Jun 2019 12:50:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 26DD827F80 for ; Mon, 3 Jun 2019 12:50:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=web.de header.i=@web.de header.b="rTDGsqGB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727650AbfFCMuO (ORCPT ); Mon, 3 Jun 2019 08:50:14 -0400 Received: from mout.web.de ([217.72.192.78]:51579 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726855AbfFCMuO (ORCPT ); Mon, 3 Jun 2019 08:50:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1559566206; bh=ncAOMhhFgsUF2XN16mQShqw1rNbF+Fdi8FKqT34/XD8=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=rTDGsqGBj17yUQp7FoSiYHvT2c5Frz/uZlELQ++2O0a+WOwC8SWvZmz/KZE9bxrVZ VAzAn3ny5LMVyiCgjea1wByNeqi/CZmRYX479353Cf7rxbydNvQqSLgS5kvxjfJr2l 57GVpkA6NkUg1AItoqddyalNnxtc5UrGauOKOV7M= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.58.28] ([80.130.118.25]) by smtp.web.de (mrweb102 [213.165.67.124]) with ESMTPSA (Nemesis) id 0McWnE-1hGFWn3zYe-00HcGC; Mon, 03 Jun 2019 14:50:06 +0200 Subject: Re: [PATCH] Revert "usb: core: remove local_irq_save() around ->complete() handler" To: Sebastian Andrzej Siewior Cc: Greg Kroah-Hartman , Alan Stern , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20190531215340.24539-1-smoch@web.de> <20190531220535.GA16603@kroah.com> <6c03445c-3607-9f33-afee-94613f8d6978@web.de> <20190601105008.zfqrtu6krw4mhisb@linutronix.de> <20190601110247.v4lzwvqhuwrjrotb@linutronix.de> From: =?UTF-8?Q?S=c3=b6ren_Moch?= Message-ID: <4c7bf7c6-ed59-e1b6-47a4-0f5623d35ba5@web.de> Date: Mon, 3 Jun 2019 14:50:05 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190601110247.v4lzwvqhuwrjrotb@linutronix.de> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US X-Provags-ID: V03:K1:qFn9Y+T56/6+a/FEeIJmIMcxZPT2LFJxYX2NkrgnS7uJ/mDJ2/K q/i2foJDu60xNCTkCWPc3PK7G1TI4KdvqwiiZ0AXGcONuJS6hqlcG/8hLOG9vid38cwVU1B ARFbVdaVTVY3NfTDHXFgQ25csXXWd0mpUC88ZWvoMH/t9RAXCjQGnil5GkBI6/+rCvdIAqu 3FHFIVoF6knn2YhZRCrMQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:4Cm5CqzsTSA=:F6v3mYZtH5Bz9b2q26Sa5q c3LITnLLJbEYanijSZ5IBbPBc1SX9Jhc9hNea/0IrrGD3BEZ5/f5TRzTgux4zTK1FwbnozN99 N6wHiLZT6yPds1iAv7GkaNSQaMQgqpVG1x9tSQp1Sly/8N4F4I5orbcWHj5O5f+6KthmAeuTY wO+fceg6+sM5WyEEGRKRAMSFnlNykBDb4dXNe8wiGa4210kBtA2gyfveyeAdgdJ9QaYlqT0y2 pEGxJ66WSzseFJdycAlmJ/eFlsLu1tSLXlMaoVTlY121I7KzhsiTLoBtp5qB0fm/wSOhiT8TR 1sCckS5naQBhGb8YErdogmE7mm/dmoNP41UQCHirqZNeSvtg0dUdUH4UD8pywactecFBMMODx rcYF0KHuk+2Oxp9Zpr+0jKuOc09mSRhDYNbsJRbvnLyUOWWlANJMT/C+8RiL1fzZhUkxFxac+ 5jGCnA5Ltt7SRyro/lWPeMrpH9jCJI/NaXJzJT9GQxFqjSzoOXmMB11dqsJzrQGWWlFC71BFE oaVPooC57TQ14T+K7mST213fW0qPkk24KLoAKFmQxwHjWmvB4gXEPnKbeR/BEQUmAR4h0PF7T sC/9KGF1L5knuqApH+tEFIe+T/AWUIqcz1CIjnViiCfA2ApiLHvNb/dRtu7Q5NpvUJOjrr0CT rgg/o+UMtc3DGSIbsJkbs9Vw6DEBpx9HwoZUSkASuHLm5jvZlF3W9+OmyjOQsXcvsI7Bp5GFM tXbx0ZHCF/OCSro3WhwuNZf06HXRCsCi/FBwwrcTylUVARu/OtJzYg2aXe8KsGdG2gcIaAo3m UtIeMyFkaxgm3uAzIrqVtcP+jETVFI0vOt18KkgcMUJVZtqkhM4kGIkpc9DnMardhFOqkpqRH LSNgsEiObbv/gjpp3Wivwt0ljje2mkucNxLug7oI4RVVqgeq3qpNRdP8Igcrj29nMR67IPTKn jkWyZI2YSHoSPWKjMba6oS/3prZ2P9Jw= Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On 01.06.19 13:02, Sebastian Andrzej Siewior wrote: > On 2019-06-01 12:50:08 [+0200], To Soeren Moch wrote: >> I will look into this. > nothing obvious. If there is really blocken lock, could you please > enable lockdep > |CONFIG_LOCK_DEBUGGING_SUPPORT=3Dy > |CONFIG_PROVE_LOCKING=3Dy > |# CONFIG_LOCK_STAT is not set > |CONFIG_DEBUG_RT_MUTEXES=3Dy > |CONFIG_DEBUG_SPINLOCK=3Dy > |CONFIG_DEBUG_MUTEXES=3Dy > |CONFIG_DEBUG_WW_MUTEX_SLOWPATH=3Dy > |CONFIG_DEBUG_RWSEMS=3Dy > |CONFIG_DEBUG_LOCK_ALLOC=3Dy > |CONFIG_LOCKDEP=3Dy > |# CONFIG_DEBUG_LOCKDEP is not set > |CONFIG_DEBUG_ATOMIC_SLEEP=3Dy > > and send me the splat that lockdep will report? > I will do so. I cannot promise, however, that this will happen within the next few days. Thanks for your suggestions, Soeren