Received: by 2002:ad5:4acb:0:0:0:0:0 with SMTP id n11csp3213946imw; Mon, 11 Jul 2022 04:27:41 -0700 (PDT) X-Google-Smtp-Source: AGRyM1t0VE3S3JhPJkI2k4ulCOvZ1c2K/VOkOzv7so/vwnb9xNLE9NjKN4bt83WeaaWNsc6ZloA1 X-Received: by 2002:a17:906:7049:b0:70c:a5fe:d4f8 with SMTP id r9-20020a170906704900b0070ca5fed4f8mr17458988ejj.493.1657538861505; Mon, 11 Jul 2022 04:27:41 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1657538861; cv=none; d=google.com; s=arc-20160816; b=aGfYJmcQlyAkcG+nEa+pN9Pni7O5XG4jNscZkgLLrH/1Nr8DIY7HPFyxoU3DZ41fJx qMTomDEJ6yWmWeZ889Cv7YBbAo2QUG9878k2KC74KCJfeB/ZZnQVwMcRsL2Xpluc3jYy 4BM8tQFBXX0DS45i8M0cTGlUWnXepc5V6VfE/xEE+0jirou48L8hYctly+YFi3AFYhsD CoZlI4k0OudPOhZ5PSD7NksXe01P8xepL0x2l2i1LGif/4QE3+s/5OGi6789fpk4TUhy wTuKQbQwx46UhY3JP5Uz7VrXAu+geQjIp7qTOWjBEz6Eya1dhFBsreyrdCbi5r8AJ5f6 9a0A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id; bh=4UWg9oRUVhdrPJP0HniTwp3HufxyfrQqzWUrYLUoo0I=; b=GFXRUUBNS+ymRklO19e9mnpETGExYdF66aAJH0aFxMCX2o4zA0A7AoWXdyzXZB8hLy TW91urIE97TIfdmiqUdQg7HIpTfRkjGVdElmFM2qd0zSwc+xm/wBNSe2BlhE/3D8f08m /SxqCeo+buP1ykJgG3q4B0//C1kJ/2m5JOZX5LdgLgllxNEB5Vb7E2efQsS8y9RpwK4A t5HA/SAUg/nJHiJot5HWUobkCCrNVmQBGEpbbbstKiCiczH6ksFksK3ea06BMhwhp4RJ JmatZISuDyOmrWsf2hEsq6lJxXQuLbl6gJgLLhmpBQFgZAqMdic86ggt0CI8hrnrTfHw sOQg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id n12-20020a170906118c00b007263e5bd2a2si8543021eja.844.2022.07.11.04.27.17; Mon, 11 Jul 2022 04:27:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230017AbiGKLV2 (ORCPT + 99 others); Mon, 11 Jul 2022 07:21:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33292 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231153AbiGKLUO (ORCPT ); Mon, 11 Jul 2022 07:20:14 -0400 Received: from www262.sakura.ne.jp (www262.sakura.ne.jp [202.181.97.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4AC6728705 for ; Mon, 11 Jul 2022 03:44:50 -0700 (PDT) Received: from fsav311.sakura.ne.jp (fsav311.sakura.ne.jp [153.120.85.142]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 26BAil9E010619; Mon, 11 Jul 2022 19:44:47 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav311.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav311.sakura.ne.jp); Mon, 11 Jul 2022 19:44:47 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav311.sakura.ne.jp) Received: from [192.168.1.9] (M106072142033.v4.enabler.ne.jp [106.72.142.33]) (authenticated bits=0) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTPSA id 26BAil8F010615 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Mon, 11 Jul 2022 19:44:47 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: <601436f2-b13e-6c24-bcfd-29548e288f23@I-love.SAKURA.ne.jp> Date: Mon, 11 Jul 2022 19:44:44 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v2 3/4] PM: hibernate: allow wait_for_device_probe() to timeout when resuming from hibernation Content-Language: en-US To: Greg KH , "Rafael J. Wysocki" , Arjan van de Ven Cc: Oliver Neukum , Wedson Almeida Filho , Len Brown , Dmitry Vyukov , linux-pm@vger.kernel.org, LKML References: <03096156-3478-db03-c015-28643479116c@I-love.SAKURA.ne.jp> <48d01ce7-e028-c103-ea7f-5a4ea4c8930b@I-love.SAKURA.ne.jp> <2646e8a3-cc9f-c2c5-e4d6-c86de6e1b739@I-love.SAKURA.ne.jp> From: Tetsuo Handa In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,NICE_REPLY_A, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022/07/11 17:12, Greg KH wrote: > creating a > locking loop like this should be resolved first, Rafael and Arjan, can we agree with removing wait_for_device_probe() from snapshot_open() ?