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=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 EC768C433E0 for ; Sat, 16 May 2020 04:11:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B09E6207D0 for ; Sat, 16 May 2020 04:11:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="iEgcQPFG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726976AbgEPELW (ORCPT ); Sat, 16 May 2020 00:11:22 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:27994 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725275AbgEPELV (ORCPT ); Sat, 16 May 2020 00:11:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589602280; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=KA2V3BpgZ0c6dcuS+GWF6G6JZMOgBQvmv5cWM20/AUM=; b=iEgcQPFGsjIBCTCAWuzvgmLKWks90nejxy30EOvI/W5c2eSL+tXOlVQ4AmR6GEkAiqjafK ITlMRmnkayIcHE3eCRqPZxDFuew6T3V3IIge/mWZ1o1cMMTLrvpSI7RcGCaYR8Pq8ZpslZ l4K3GHxWQBUQkrsCrniPuZz60qu0Yio= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-398-2HqC332BOx2tpp1tUsYgcw-1; Sat, 16 May 2020 00:11:12 -0400 X-MC-Unique: 2HqC332BOx2tpp1tUsYgcw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B4180107ACF2; Sat, 16 May 2020 04:11:09 +0000 (UTC) Received: from x1-fbsd (unknown [10.3.128.10]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 64C1099D8; Sat, 16 May 2020 04:10:59 +0000 (UTC) Date: Sat, 16 May 2020 00:10:55 -0400 From: Rafael Aquini To: Luis Chamberlain Cc: jeyu@kernel.org, akpm@linux-foundation.org, arnd@arndb.de, rostedt@goodmis.org, mingo@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: <20200516041055.GJ3182@x1-fbsd> References: <20200515212846.1347-1-mcgrof@kernel.org> <20200515212846.1347-11-mcgrof@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200515212846.1347-11-mcgrof@kernel.org> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 15, 2020 at 09:28:41PM +0000, Luis Chamberlain wrote: > This makes use of the new module_firmware_crashed() to help > annotate when firmware for device drivers crash. When firmware > crashes devices can sometimes become unresponsive, and recovery > sometimes requires a driver unload / reload and in the worst cases > a reboot. > > Using a taint flag allows us to annotate when this happens clearly. > > Cc: Alex Elder > Signed-off-by: Luis Chamberlain > --- > drivers/net/ipa/ipa_modem.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/net/ipa/ipa_modem.c b/drivers/net/ipa/ipa_modem.c > index ed10818dd99f..1790b87446ed 100644 > --- a/drivers/net/ipa/ipa_modem.c > +++ b/drivers/net/ipa/ipa_modem.c > @@ -285,6 +285,7 @@ static void ipa_modem_crashed(struct ipa *ipa) > struct device *dev = &ipa->pdev->dev; > int ret; > > + module_firmware_crashed(); > ipa_endpoint_modem_pause_all(ipa, true); > > ipa_endpoint_modem_hol_block_clear_all(ipa); > -- > 2.26.2 > Acked-by: Rafael Aquini