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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 C5F03C433ED for ; Tue, 4 May 2021 19:08:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A49B2610E9 for ; Tue, 4 May 2021 19:08:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232316AbhEDTIz (ORCPT ); Tue, 4 May 2021 15:08:55 -0400 Received: from mga17.intel.com ([192.55.52.151]:38652 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232090AbhEDTIY (ORCPT ); Tue, 4 May 2021 15:08:24 -0400 IronPort-SDR: RG1yl2wNGuqPEcxoVhe9O0N9hyjrirnR1OYPbhuCErluYkxtfQTY4KqfvJAkCv7jViH3yePCnD M+Gf/Ol+kx5g== X-IronPort-AV: E=McAfee;i="6200,9189,9974"; a="178269910" X-IronPort-AV: E=Sophos;i="5.82,272,1613462400"; d="scan'208";a="178269910" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 May 2021 12:07:18 -0700 IronPort-SDR: IEZzPeDB0k7JtjwQZXsL9YJMoORegrMFtldd/c/ZlkEuCvaxjP4yJZ8oboU4zjtrIbGHsBQMYO tyHOoNk386Xw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,272,1613462400"; d="scan'208";a="618591753" Received: from ranerica-svr.sc.intel.com ([172.25.110.23]) by fmsmga006.fm.intel.com with ESMTP; 04 May 2021 12:07:17 -0700 From: Ricardo Neri To: Thomas Gleixner , Ingo Molnar , Borislav Petkov Cc: "H. Peter Anvin" , Ashok Raj , Andi Kleen , Tony Luck , Nicholas Piggin , "Peter Zijlstra (Intel)" , Andrew Morton , Stephane Eranian , Suravee Suthikulpanit , "Ravi V. Shankar" , Ricardo Neri , x86@kernel.org, linux-kernel@vger.kernel.org, Ricardo Neri , Andi Kleen , linuxppc-dev@lists.ozlabs.org Subject: [RFC PATCH v5 12/16] watchdog/hardlockup: Use parse_option_str() to handle "nmi_watchdog" Date: Tue, 4 May 2021 12:05:22 -0700 Message-Id: <20210504190526.22347-13-ricardo.neri-calderon@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210504190526.22347-1-ricardo.neri-calderon@linux.intel.com> References: <20210504190526.22347-1-ricardo.neri-calderon@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Prepare hardlockup_panic_setup() to handle a comma-separated list of options. Thus, it can continue parsing its own command-line options while ignoring paremeters that are relevant only to specific implementations of the hardlockup detector. Such implementations may use an early_param to parse their own options. Cc: "H. Peter Anvin" Cc: Ashok Raj Cc: Andi Kleen Cc: Tony Luck Cc: Nicholas Piggin Cc: Peter Zijlstra Cc: Andrew Morton Cc: Stephane Eranian Cc: Suravee Suthikulpanit Cc: "Ravi V. Shankar" Cc: x86@kernel.org Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Ricardo Neri --- Changes since v4: * None Changes since v3: * None Changes since v2: * Introduced this patch. Changes since v1: * None --- kernel/watchdog.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 107bc38b1945..4615064ee282 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -73,13 +73,13 @@ void __init hardlockup_detector_disable(void) static int __init hardlockup_panic_setup(char *str) { - if (!strncmp(str, "panic", 5)) + if (parse_option_str(str, "panic")) hardlockup_panic = 1; - else if (!strncmp(str, "nopanic", 7)) + else if (parse_option_str(str, "nopanic")) hardlockup_panic = 0; - else if (!strncmp(str, "0", 1)) + else if (parse_option_str(str, "0")) nmi_watchdog_user_enabled = 0; - else if (!strncmp(str, "1", 1)) + else if (parse_option_str(str, "1")) nmi_watchdog_user_enabled = 1; return 1; } -- 2.17.1