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,URIBL_BLOCKED autolearn=unavailable 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 45043C433DF for ; Sat, 16 May 2020 04:13:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 20C362074A for ; Sat, 16 May 2020 04:13:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="BKH6YJkS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727004AbgEPENl (ORCPT ); Sat, 16 May 2020 00:13:41 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:31768 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726920AbgEPENj (ORCPT ); Sat, 16 May 2020 00:13:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589602417; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=2C8j4i4cIMoVQxBLJB+gQw/ICcPRRsENYdtc77zibQ0=; b=BKH6YJkSZMv+7AaTxyHu0FDu3UYVM6BpXQtYUezF54rn56QL3Wg7+IuRtMR7mahdZU0Y3a YCzHcxLUnnm+XDQKEsFkdV3wTgUmzd/1vwqkb5fNSmkeODko044kJeaM1KY9YjRnlhVRI4 UN7Uw/XxlnE7xKUI0c3XM6Ek7IBaJ00= 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-27-dMCqwxtMMaGRgPYZ5eLJ5w-1; Sat, 16 May 2020 00:13:33 -0400 X-MC-Unique: dMCqwxtMMaGRgPYZ5eLJ5w-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C361B100961C; Sat, 16 May 2020 04:13:29 +0000 (UTC) Received: from x1-fbsd (unknown [10.3.128.10]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1E03A100239A; Sat, 16 May 2020 04:13:16 +0000 (UTC) Date: Sat, 16 May 2020 00:13:13 -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, linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, brcm80211-dev-list@cypress.com, Arend van Spriel , Franky Lin , Hante Meuleman , Chi-Hsien Lin , Wright Feng , =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= , Pieter-Paul Giesberts Subject: Re: [PATCH v2 14/15] brcm80211: use new module_firmware_crashed() Message-ID: <20200516041313.GN3182@x1-fbsd> References: <20200515212846.1347-1-mcgrof@kernel.org> <20200515212846.1347-15-mcgrof@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20200515212846.1347-15-mcgrof@kernel.org> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, May 15, 2020 at 09:28:45PM +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: linux-wireless@vger.kernel.org > Cc: brcm80211-dev-list.pdl@broadcom.com > Cc: brcm80211-dev-list@cypress.com > Cc: Arend van Spriel > Cc: Franky Lin > Cc: Hante Meuleman > Cc: Chi-Hsien Lin > Cc: Wright Feng > Cc: Kalle Valo > Cc: "Rafał Miłecki" > Cc: Pieter-Paul Giesberts > Signed-off-by: Luis Chamberlain > --- > drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c > index c88655acc78c..d623f83568b3 100644 > --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c > +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c > @@ -1393,6 +1393,7 @@ void brcmf_fw_crashed(struct device *dev) > struct brcmf_pub *drvr = bus_if->drvr; > > bphy_err(drvr, "Firmware has halted or crashed\n"); > + module_firmware_crashed(); > > brcmf_dev_coredump(dev); > > -- > 2.26.2 > Acked-by: Rafael Aquini