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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 114A0C433E1 for ; Fri, 22 May 2020 21:53:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D73372065C for ; Fri, 22 May 2020 21:53:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1590184435; bh=n2o9VWCQtbZBcs0EFDC7wbE3FStZRJWvA+zBxz3ecrA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=afMciS69I5Q3vBiI8A/JqEcAyFts5d8IEBaWreFe1rIIBGMLrmJm6/VEeTVaQWAv+ OB21Eb6OVZRalFXijNqXpzNvDRMik/OCSeysv4o6ONFm7EWe/Y3ld5su8Fka4uVTQZ 7WNJ9UpYEl+Qafg0brUJnk+XVVSuf/6v4sjFc+rA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731149AbgEVVxx (ORCPT ); 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-Google-Smtp-Source: ABdhPJyOx3t/vlUoP9cjk+jBlIB2Kjti5P5L4S1KOlIHUZRRYR/m+wgqahLaoMzvrGVmzvh6raILyg== 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: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@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