From patchwork Fri May 17 20:59:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jerry Hoemann X-Patchwork-Id: 10948589 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B08FF13AD for ; Fri, 17 May 2019 21:03:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A10AA28477 for ; Fri, 17 May 2019 21:03:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 95AFB28479; Fri, 17 May 2019 21:03:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4250A28477 for ; Fri, 17 May 2019 21:03:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729426AbfEQVCj (ORCPT ); Fri, 17 May 2019 17:02:39 -0400 Received: from mx0b-002e3701.pphosted.com ([148.163.143.35]:44420 "EHLO mx0b-002e3701.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729415AbfEQVCj (ORCPT ); Fri, 17 May 2019 17:02:39 -0400 Received: from pps.filterd (m0148664.ppops.net [127.0.0.1]) by mx0b-002e3701.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x4HL12BX014120; Fri, 17 May 2019 21:02:09 GMT Received: from g2t2353.austin.hpe.com (g2t2353.austin.hpe.com [15.233.44.26]) by mx0b-002e3701.pphosted.com with ESMTP id 2sj1h3s65v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 17 May 2019 21:02:09 +0000 Received: from g2t2360.austin.hpecorp.net (g2t2360.austin.hpecorp.net [16.196.225.135]) by g2t2353.austin.hpe.com (Postfix) with ESMTP id 338E377; Fri, 17 May 2019 21:02:08 +0000 (UTC) Received: from lxbuild.ftc.rdlabs.hpecorp.net (lxbuild.ftc.rdlabs.hpecorp.net [16.78.34.175]) by g2t2360.austin.hpecorp.net (Postfix) with ESMTP id DA3D946; Fri, 17 May 2019 21:02:07 +0000 (UTC) From: Jerry Hoemann To: linux@roeck-us.net, wim@linux-watchdog.org, linux-watchdog@vger.kernel.org Cc: linux-kernel@vger.kernel.org, mironov.ivan@gmail.com, rasmus.villemoes@prevas.dk, jerry.hoemann@hpe.com Subject: [PATCH 5/6] watchdog/hpwdt: Update documentation Date: Fri, 17 May 2019 14:59:42 -0600 Message-Id: <1558126783-4877-6-git-send-email-jerry.hoemann@hpe.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1558126783-4877-1-git-send-email-jerry.hoemann@hpe.com> References: <1558126783-4877-1-git-send-email-jerry.hoemann@hpe.com> X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-05-17_13:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=787 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1905170125 Sender: linux-watchdog-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Update documentation to explain new module parameter kdumptimeout. Signed-off-by: Jerry Hoemann Reviewed-by: Guenter Roeck --- Documentation/watchdog/hpwdt.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/watchdog/hpwdt.txt b/Documentation/watchdog/hpwdt.txt index 55df692..35da141 100644 --- a/Documentation/watchdog/hpwdt.txt +++ b/Documentation/watchdog/hpwdt.txt @@ -33,6 +33,10 @@ Last reviewed: 08/20/2018 Default value is set when compiling the kernel. If it is set to "Y", then there is no way of disabling the watchdog once it has been started. + kdumptimeout Minimum timeout in seconds to apply upon receipt of an NMI + before calling panic. (-1) disables the watchdog. When value + is > 0, the timer is reprogrammed with the greater of + value or current timeout value. NOTE: More information about watchdog drivers in general, including the ioctl interface to /dev/watchdog can be found in