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=-6.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 E5F97C433E1 for ; Mon, 27 Jul 2020 11:27:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF04B20663 for ; Mon, 27 Jul 2020 11:27:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CBic21Pp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726976AbgG0L1W (ORCPT ); Mon, 27 Jul 2020 07:27:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726885AbgG0L1T (ORCPT ); Mon, 27 Jul 2020 07:27:19 -0400 Received: from mail-ed1-x543.google.com (mail-ed1-x543.google.com [IPv6:2a00:1450:4864:20::543]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 75761C061794 for ; Mon, 27 Jul 2020 04:27:17 -0700 (PDT) Received: by mail-ed1-x543.google.com with SMTP id c2so6002030edx.8 for ; Mon, 27 Jul 2020 04:27:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-transfer-encoding; bh=uSIEERrJr/M5ipYOxwqtrQGcYEDPp1/Y938zPNAgt8I=; b=CBic21PpbdBxoOlG42r/CaeQuYUOuMpYc5iD6K/Al9a5OUh8soRSUeafcKodfyEDxw Tj293WAdV43UqbpSHoEntWL8jtdEvUDEdGoc8UWBBdgxycBsDKZavUJ5FWjYc6WseMtj FMZX6x60Plpfok9KEv/3GEz3D7hdvhDj4dZkKMmcCMKGfx1Z6KthIvaR1ZekXnJXhpX3 ZGvpVEKAP9Tlc03HROo0zq+k64GvV9T2vP6Yy4BdVr3I09L6cfCeTl6NjJzEwawzL+hV wHOfOiHUR22kjpo0bH6DtpTwgoeafe/M/D1YexM3M4BAbU+ythROIC0eVftaZOVA+GiD gsOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :cc:subject:references:in-reply-to:content-transfer-encoding; bh=uSIEERrJr/M5ipYOxwqtrQGcYEDPp1/Y938zPNAgt8I=; b=WDC+a/8iquhXf/YJlXMxc8Pz8tutPI5PLLg3eGcbScWhpVhEqIFWApuqf4t0iiNNPw cBjbusfQ/Z0O5ShsgZiGI+h5GFFffNPvV7vJS76nW5503U0MpAqcw7ZGqWlirnIzvmvJ VxArkPVju2PgtsgEUHTRt6kNclgu86issCnNr7jx2Vx8yGlaOf5Y0D44P3+ZtVR15+07 IlBGRuix+w7aafQ6Rss95Ialp61DOrCBUPMPLm8e9AWhgZVZS2Q9usdlcJv4pJjLs33f zc4Wz9UyIeudAiPAPECmUv+uwnYb8WZUfUHWDmpbzjxaJwAYEEYz0eNGS+NFMvWhF/Qx qJfQ== X-Gm-Message-State: AOAM531m4YxBgRJbto3Hk7yPTzeWynC/GT8hLqvAoJIa7QMe3ws05/dR Y5cmyYP/0IJxUHWYp0Jju4w= X-Google-Smtp-Source: ABdhPJxanpiZHXKl3H4Ezg8NQ+65YDyyJVwuDR+UfyP4N7ssZo/yo3EyrTVLOv+ryVOnRpz+FOqfHw== X-Received: by 2002:aa7:dd10:: with SMTP id i16mr21281737edv.227.1595849236252; Mon, 27 Jul 2020 04:27:16 -0700 (PDT) Received: from [109.186.98.97] (109-186-98-97.bb.netvision.net.il. [109.186.98.97]) by smtp.gmail.com with ESMTPSA id du2sm1217012ejc.2.2020.07.27.04.27.15 (version=TLS1 cipher=AES128-SHA bits=128/128); Mon, 27 Jul 2020 04:27:15 -0700 (PDT) Message-ID: <5F1EBA04.5050109@gmail.com> Date: Mon, 27 Jul 2020 14:27:00 +0300 From: Eli Billauer User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.12) Gecko/20100907 Fedora/3.0.7-1.fc12 Thunderbird/3.0.7 MIME-Version: 1.0 To: Oliver Neukum CC: gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, hdegoede@redhat.com, stern@rowland.harvard.edu Subject: Re: [PATCH] usb: core: Solve race condition in usb_kill_anchored_urbs References: <20200727072225.25195-1-eli.billauer@gmail.com> <1595844840.13408.17.camel@suse.de> In-Reply-To: <1595844840.13408.17.camel@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Hello, Oliver. On 27/07/20 13:14, Oliver Neukum wrote: > That however is really a kludge we cannot have in usbcore. > I am afraid as is the patch should_not_ be applied. > Could you please explain further why the suggested patch is unsuitable? Thanks, Eli