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=-5.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,PDS_BAD_THREAD_QP_64,SPF_HELO_NONE,SPF_PASS 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 EDAF0C433DB for ; Thu, 18 Mar 2021 05:13:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BD01464E33 for ; Thu, 18 Mar 2021 05:13:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229454AbhCRFM3 (ORCPT ); Thu, 18 Mar 2021 01:12:29 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:22656 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229512AbhCRFLv (ORCPT ); Thu, 18 Mar 2021 01:11:51 -0400 Received: from epcas2p4.samsung.com (unknown [182.195.41.56]) by mailout3.samsung.com (KnoxPortal) with ESMTP id 20210318051149epoutp03a167abffe66e6a302ae3678a0ed1059e~tV7ys8cPH1766817668epoutp038 for ; Thu, 18 Mar 2021 05:11:49 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout3.samsung.com 20210318051149epoutp03a167abffe66e6a302ae3678a0ed1059e~tV7ys8cPH1766817668epoutp038 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1616044309; bh=Maz2gzBeG8Ar9nIKmEg6l8Ds+kNMlT5vGVumq7wmVCI=; h=From:To:Cc:In-Reply-To:Subject:Date:References:From; b=RI0ezcMcah92niEj7qCrMTIhEqF1eO4cATk14VNXHM+Squ0xYxTzXAPnQmIhTeAuU 8cGaUan9DRurje66+eu6jUd/dv2qrFDbe5fBxfAX5i0odfYH8s+Jq1/c5vNJpSsOFQ JfF2gUnIbMpN4Yl544qCFYh4kLD+11gGX56svzqU= Received: from epsnrtp4.localdomain (unknown [182.195.42.165]) by epcas2p2.samsung.com (KnoxPortal) with ESMTP id 20210318051148epcas2p2c77f5bc4b1b1a4d47e641e2247d6bcd6~tV7x15Mi52273522735epcas2p2D; Thu, 18 Mar 2021 05:11:48 +0000 (GMT) Received: from epsmges2p4.samsung.com (unknown [182.195.40.183]) by epsnrtp4.localdomain (Postfix) with ESMTP id 4F1FW55HwVz4x9Q5; Thu, 18 Mar 2021 05:11:45 +0000 (GMT) Received: from epcas2p1.samsung.com ( [182.195.41.53]) by epsmges2p4.samsung.com (Symantec Messaging Gateway) with SMTP id 44.BD.52511.F01E2506; Thu, 18 Mar 2021 14:11:43 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas2p4.samsung.com (KnoxPortal) with ESMTPA id 20210318051143epcas2p419b8162af1c6b4fcf269735cb478e0b0~tV7tFi2tS0768407684epcas2p4u; Thu, 18 Mar 2021 05:11:43 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20210318051143epsmtrp29c35ff77c28bcc475c36a108e09be372~tV7tEj9RJ0834308343epsmtrp2d; Thu, 18 Mar 2021 05:11:43 +0000 (GMT) X-AuditID: b6c32a48-50fff7000000cd1f-88-6052e10fd8c9 Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 78.EC.13470.E01E2506; Thu, 18 Mar 2021 14:11:42 +0900 (KST) Received: from KORCO011456 (unknown [12.36.185.54]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20210318051142epsmtip27de352491011465a85194df6785c6078~tV7s2_KA31284212842epsmtip2X; Thu, 18 Mar 2021 05:11:42 +0000 (GMT) From: "Kiwoong Kim" To: "'Ulf Hansson'" Cc: "'linux-mmc'" , =?UTF-8?B?7J207IOB7ZiE?= , =?UTF-8?B?7ISc7Iq57LKg?= , =?UTF-8?B?7ISc7Zi47JiB?= , =?UTF-8?B?6rmA67OR7ZuI?= In-Reply-To: Subject: RE: [PATCH] mmc: core: Fix hanging on I/O during system suspend for removable cards Date: Thu, 18 Mar 2021 14:11:42 +0900 Message-ID: <010301d71bb5$2f6d6d10$8e484730$@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQHdOhUB196LQ3U1VfE+AnKrSxL4AwI5OEDFAjtGX74CZaB2VapGJBUQ Content-Language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupkk+LIzCtJLcpLzFFi42LZdljTVJf/YVCCwbXZqhZflz5jtVi9+AGL xZH//YwWXXdvMFos/feWxeL42nAHNo871/awefRtWcXo8XmTXABzVI5NRmpiSmqRQmpecn5K Zl66rZJ3cLxzvKmZgaGuoaWFuZJCXmJuqq2Si0+ArltmDtBaJYWyxJxSoFBAYnGxkr6dTVF+ aUmqQkZ+cYmtUmpBSk6BoWGBXnFibnFpXrpecn6ulaGBgZEpUGVCTsbfCW9ZCnqYKjaffcnU wHiBsYuRg0NCwETi0gqtLkYuDiGBHYwSe/esYIFwPjFKrF/1jwnC+cYo8f7UW7YuRk6wjtUf X7BDJPYySrw51QbV8oJRYu2XTWBVbALaEtMe7mYFsUUEdCRmvGlmBSliFvjJKPH20mUmkASn QKDE3R+9YA3CAnESazbsYQGxWQRUJdr+vmIGsXkFLCVen5gEZQtKnJz5BKyGGWjBsoWvmSFO UpD4+XQZ1DI3iWeX9zJC1IhIzO5sYwZZLCHwkV3i5Nc+RogGF4lLs09D2cISr45vYYewpSQ+ v9sL9We9xL6pDawQzT2MEk/3/YNqMJaY9awdHHzMApoS63fpQ0JSWeLILajb+CQ6Dv9lhwjz SnS0CUE0Kkv8mjQZaoikxMybd9gnMCrNQvLZLCSfzULywSyEXQsYWVYxiqUWFOempxYbFZgg x/YmRnCa1PLYwTj77Qe9Q4xMHIyHGCU4mJVEeE3zAhKEeFMSK6tSi/Lji0pzUosPMZoCw3oi s5Rocj4wUeeVxBuaGpmZGViaWpiaGVkoifMWGTyIFxJITyxJzU5NLUgtgulj4uCUamDaf7Cl c6PssyM9J/pOnlba4RtobqTEdKVAvo3fanJsm3yh1+Ymn9tL3i7wz2XW0zzGPXu1hJq+gxL/ ZCYnPZ/D1eWbjF1Ny2es9d54cPrjJ9c4nv35tkg22y+n7smmO/2nBTJDbss17hHV/1ru4vnk YOSX+288Hu1pvxJnuVBA7zu/YpN4zy3WRxyrnjUunDX9sIn8JB/Dpku/EwucVk8uLkxkmDfn cVXAz+PiS1/0v2FVbmqJv/Lz/s5rpTIbrh897+T6cE2VrqT2/LNVOyOPLT9nsmut3xlflQ/n /2brBq97pbk/OVXuOXfwC7mVG5fm63JUTZQp2W2ckFvSwVP7psG1w/Ur19HsnPYMvTwlluKM REMt5qLiRABoaJtVHAQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrCLMWRmVeSWpSXmKPExsWy7bCSvC7fw6AEg8bfNhZflz5jtVi9+AGL xZH//YwWXXdvMFos/feWxeL42nAHNo871/awefRtWcXo8XmTXABzFJdNSmpOZllqkb5dAldG 895l7AU9TBUvt0U3MF5g7GLk5JAQMJFY/fEFexcjF4eQwG5GiX2v1jJDJCQlTux8DlUkLHG/ 5QgrRNEzRolzi7aBJdgEtCWmPdzNCmKLCOhIzHjTDFbELPCbUaL722lmiI5GJol7L3azgFRx CgRK3P3RywZiCwvESLw6+w1sEouAqkTb31dgq3kFLCVen5gEZQtKnJz5BKyXGWhb78NWRhh7 2cLXUKcqSPx8ugzqCjeJZ5f3QtWISMzubGOewCg8C8moWUhGzUIyahaSlgWMLKsYJVMLinPT c4sNCwzzUsv1ihNzi0vz0vWS83M3MYIjRktzB+P2VR/0DjEycTAeYpTgYFYS4TXNC0gQ4k1J rKxKLcqPLyrNSS0+xCjNwaIkznuh62S8kEB6YklqdmpqQWoRTJaJg1OqgWl5HcO9Hemb1q/w N4lepNdf8FMlStJyoVddd/rkbtfeLsWtLN562c2frBKbL4R0xmbaalpruTr95+yNnqxZ5GHM Z5nV+W9L59flqscrzvQfjhJdPrVM7vi1fQL9rKeO3TSyTd0uaeQuL/1TweXz7gCrXzty3sjd CJ+pGdV6mW9pp+PinM/TGRx2tuyxPPpb76dOXuvRS8scFvEfuG+h4O209A6jQLvXjKfq8fOm tfmveHPFYtu/iFmf5s3qCSnaYFL89r95Rf3VbZXMdw88vBS6mOO1xc4DtpbnRPvmdX++FcqQ VHVed/fOlTa+rtdKVJbtMjj0laHuwVw2v+dulh56W9N4JS7Pe8X/XD9FQ4mlOCPRUIu5qDgR AMStvroHAwAA X-CMS-MailID: 20210318051143epcas2p419b8162af1c6b4fcf269735cb478e0b0 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20210310152931epcas2p1be7719eeaca8d14bf7a8244ff389bd39 References: <20210310152900.149380-1-ulf.hansson@linaro.org> <000001d7195e$8122ca00$83685e00$@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org > Did you try out the patch at your side, to see if it resolves your > problems? I've already done it and am discussing about this with some guys who first = reported me. Obviously, this patch can prevent from something like deadlock. Thanks. Kiwoong Kim