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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 02E82C43603 for ; Thu, 19 Dec 2019 09:08:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D168E21D7D for ; Thu, 19 Dec 2019 09:08:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726620AbfLSJIt (ORCPT ); Thu, 19 Dec 2019 04:08:49 -0500 Received: from mga07.intel.com ([134.134.136.100]:27063 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726617AbfLSJIt (ORCPT ); Thu, 19 Dec 2019 04:08:49 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Dec 2019 01:08:48 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,331,1571727600"; d="scan'208";a="298652928" Received: from mattu-haswell.fi.intel.com (HELO [10.237.72.170]) ([10.237.72.170]) by orsmga001.jf.intel.com with ESMTP; 19 Dec 2019 01:08:47 -0800 Subject: Re: Please apply commit 057d476fff778f1 ("xhci: fix USB3 device initiated resume race with roothub autosuspend") to v4.4.y and v4.14.y To: Greg Kroah-Hartman , "Lee, Chiasheng" Cc: "stable@vger.kernel.org" , Guenter Roeck , "Lee, Hou-hsun" , "Pan, Harry" References: <20191219082900.GA1015381@kroah.com> From: Mathias Nyman Message-ID: <2b70a289-d35f-eecb-c230-e6b85f42c990@linux.intel.com> Date: Thu, 19 Dec 2019 11:10:40 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20191219082900.GA1015381@kroah.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On 19.12.2019 10.29, Greg Kroah-Hartman wrote: > On Thu, Dec 19, 2019 at 08:20:12AM +0000, Lee, Chiasheng wrote: >> Hi, >> >> Commit 057d476fff778f1 ("xhci: fix USB3 device initiated resume race with roothub autosuspend") >> fixes race conditions when we're dealing with a USB3 modem using v4.4 and USB3 hubs using 4.14. >> Kindly apply the patch to v4.4.y and v4.14.y. > > Why not 4.9.y and 4.19.y? You can not just skip stable kernel trees, > otherwise people upgrading will have a regression. > > Anyway, the reason I did not backport the patch to older kernels is that > it does not apply at all. If you have already done the backport (and I > am guessing you have as otherwise how would you have tested this), > please provide it to us so that we can apply it to all trees. > Let me fix up and submit the backport, give me a few minutes. I'll check it applies to the other stable trees as well. -Mathias