Received: by 2002:a25:1104:0:0:0:0:0 with SMTP id 4csp617986ybr; Fri, 22 May 2020 14:57:28 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwes/N/0C4/p8POE4dqKGHD566FiJutSAxKmwXfZcjFIWtSE1KBsCKQUbRpH6U5D9TE7y9l X-Received: by 2002:a17:906:ccc3:: with SMTP id ot3mr9522545ejb.464.1590184648461; Fri, 22 May 2020 14:57:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1590184648; cv=none; d=google.com; s=arc-20160816; b=NLOwJfOekUxCC7F4qbxCbC2/6bS47HvSV5NrlHkwNjHAFPiZIlI/t5NOzxeJUDAioc m45rFYdFJ7wL1/2Go689T24imSELb/ZukHx2l2rGbOLAea0bGRUJTcX2z6eH6SwwzSoA Ud2bcf5irp9C6BRp+3uIIbppZtpfUs59PpV4U2hNUbED7BS/Mp6yjFPrkrWD4SehtdNa CiThwn4MMlxvM05egTGHu/CkxZFYeTgUkGn6l3BhVdilxOHfH66IyLpxh0fZpQCmCQQm W8iiust9CHnIcfLXjK1WHKUezj/QtZ3sRtkYG5e53BE8JoBx+lxIo2h2wpsDGCgOlXv3 YTmQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=WHmiwszC7LQO/v52gvNdobe9HfM0ASQqSeK8lyvm5D8=; b=omWuxEdRIIyMoyKHDFo07AIpm22wBxOPGSrtgTqnx2HU15HAe9heTXcZvi9+HNEGoY IL4Yxlvnx44IE08keGBp7YfRzOjBMigjvo8a9K3rFDeUyLBrdmIAK95DpqErsSldK2+Z HKRM9gbt7aFhb91NlmBJMDssp6l1SkJvW45mMFJq+TadN7crNUWOlpj7iMsytPpLAzxV StDrwhr7pPmMYmw2Mbxvj8TzniFImQtp6QL1dMbO2g1ziuL2nZ2ueAK7zrJbWNyaiJZ1 ED/UjTfvD9oBfbvB/IdYyT6v6tkJDBNbOvhUQqIQ+KNPGWCmdMcG9CeBOTGI+0r/07HJ lBUg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id z6si6018128ejb.147.2020.05.22.14.57.06; Fri, 22 May 2020 14:57:28 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731134AbgEVVxx (ORCPT + 99 others); Fri, 22 May 2020 17:53:53 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:33136 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731029AbgEVVxx (ORCPT ); Fri, 22 May 2020 17:53:53 -0400 Received: by mail-pf1-f195.google.com with SMTP id n15so5829713pfd.0; Fri, 22 May 2020 14:53:53 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=WHmiwszC7LQO/v52gvNdobe9HfM0ASQqSeK8lyvm5D8=; b=ASlI4dyDkiUM49EKSiCbjo5EtawadGZJFAkybI8V9M0J/ou36pLFxJ2H3lEqSiS8Nq EdngJEkfazwMk8NgiJ8XoLbS2wFZhjtNn5Tf16iWh6uGL0hq1tmxlZCJY2dos7oT1qyq 85QFLz3NNtavwQppiG3f1wGPklzLxJGy+tNBz98UV4VCuhScWEOVdMNvcusEbgCwhNuk JOyWPqoI8QB3yNC6STvmOBF7sWSIf2eFVUjASfskXNApmb/ioIgNnb74JMhHDoBRzNFG D1JnU+wcgPwXOrH06hyt/fPtZw/1LTQCxfifCgZSi2cZf7vf+2uBQe4ZeN4bL0vGh9Fl GNgg== X-Gm-Message-State: AOAM531KwK4G5OjcRAoxo2p/CskNem9BbhuFR//GEr2qVih9dKcK1Vih IWza235qlw926bJo0Fcfps0= X-Received: by 2002:a63:521e:: with SMTP id g30mr16018629pgb.106.1590184432635; Fri, 22 May 2020 14:53:52 -0700 (PDT) Received: from 42.do-not-panic.com (42.do-not-panic.com. [157.230.128.187]) by smtp.gmail.com with ESMTPSA id p66sm7417524pfb.65.2020.05.22.14.53.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2020 14:53:51 -0700 (PDT) Received: by 42.do-not-panic.com (Postfix, from userid 1000) id D2DD040321; Fri, 22 May 2020 21:53:50 +0000 (UTC) Date: Fri, 22 May 2020 21:53:50 +0000 From: Luis Chamberlain To: Alex Elder Cc: jeyu@kernel.org, akpm@linux-foundation.org, arnd@arndb.de, rostedt@goodmis.org, mingo@redhat.com, aquini@redhat.com, cai@lca.pw, dyoung@redhat.com, bhe@redhat.com, peterz@infradead.org, tglx@linutronix.de, gpiccoli@canonical.com, pmladek@suse.com, tiwai@suse.de, schlad@suse.de, andriy.shevchenko@linux.intel.com, keescook@chromium.org, daniel.vetter@ffwll.ch, will@kernel.org, mchehab+samsung@kernel.org, kvalo@codeaurora.org, davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Alex Elder Subject: Re: [PATCH v2 10/15] soc: qcom: ipa: use new module_firmware_crashed() Message-ID: <20200522215350.GD11244@42.do-not-panic.com> References: <20200515212846.1347-1-mcgrof@kernel.org> <20200515212846.1347-11-mcgrof@kernel.org> <0b159c53-57a6-b771-04ab-2a76c45d0ef4@ieee.org> <20200522052834.GA11244@42.do-not-panic.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 22, 2020 at 03:52:44PM -0500, Alex Elder wrote: > On 5/22/20 12:28 AM, Luis Chamberlain wrote: > > OK thanks. Can the user be affected by this crash? If so how? Can > > we recover ? Is that always guaranteed? > > We can't guarantee anything about recovering from a crash of > an independent entity. But by design, recovery from a modem > crash is possible and is supposed to leave Linux in a > consistent state. A modem crash is likely to be observable > to the user. Thanks this helps, I'll drop this patch! Luis