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=-6.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 F1BF3C432BE for ; Wed, 1 Sep 2021 07:31:28 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B806D60F92 for ; Wed, 1 Sep 2021 07:31:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B806D60F92 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:CC:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=q2hKXZgx6861NVQZ6248Iqk7GeSlfej18BoLjqVFibg=; b=RV7wHX5lC2ahLtViOSWN82dGck iFUQ6kayCHUJ+ebIqHboM9mw1r6HPtsBQrdkJop2DBMBSMhhNmAxV8QzUCNIqAaKvZ8vXEacFos9T ZUOfRsTRexRNm2kWZQyNF8GTxDOSd2iYgubGd+2EfysjIIGiKN1d1mfTQn8R0m28c5RZPx57NJ586 W+CwZ7kNivmia6/PtOePz9UkwC12+lrRQIHGKqTgAs4t9kCgoCA+fzXOlUHz4VZBZB6hBF0gGUfQT 8AxBrRKcgcssuT87bmj9M/INM3fszNzcT8x/5ON9LcoOC0UAf2cn55oRf6hlmLFw4E4+pS1mdfR0E QRt5gvTg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mLKgh-004KVE-Vh; Wed, 01 Sep 2021 07:29:36 +0000 Received: from szxga08-in.huawei.com ([45.249.212.255]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mLKge-004KUL-3P for linux-arm-kernel@lists.infradead.org; Wed, 01 Sep 2021 07:29:33 +0000 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.55]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4Gzwf55hgDz1DFk1; Wed, 1 Sep 2021 15:28:45 +0800 (CST) Received: from dggema764-chm.china.huawei.com (10.1.198.206) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Wed, 1 Sep 2021 15:29:27 +0800 Received: from [10.174.185.179] (10.174.185.179) by dggema764-chm.china.huawei.com (10.1.198.206) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.8; Wed, 1 Sep 2021 15:29:26 +0800 Subject: Re: [PATCH] ACPI / PPTT: get PPTT table in the first beginning To: Sudeep Holla CC: Xiongfeng Wang , , , , , , , , References: <20210720112635.38565-1-wangxiongfeng2@huawei.com> <20210720133751.u6k6bdm7qco3gn65@bogus> From: Zenghui Yu Message-ID: Date: Wed, 1 Sep 2021 15:29:26 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <20210720133751.u6k6bdm7qco3gn65@bogus> Content-Language: en-US X-Originating-IP: [10.174.185.179] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggema764-chm.china.huawei.com (10.1.198.206) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210901_002932_366698_BAE076CF X-CRM114-Status: GOOD ( 11.68 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2021/7/20 21:37, Sudeep Holla wrote: > On Tue, Jul 20, 2021 at 07:26:35PM +0800, Xiongfeng Wang wrote: >> When I added might_sleep() in down_timeout(), I got the following > > Sorry it is not clear if you are able to reproduce this issue without > any other modifications in the mainline kernel ? Jump in this thread as the exact splat is triggered at boot time in the latest mainline kernel thanks to commit 99409b935c9a ("locking/semaphore: Add might_sleep() to down_*() family"). _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel