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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by aws-us-west-2-korg-lkml-1.web.codeaurora.org (Postfix) with ESMTP id B33AAC004E4 for ; Thu, 14 Jun 2018 01:04:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5E038208D9 for ; Thu, 14 Jun 2018 01:04:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5E038208D9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935977AbeFNBEe (ORCPT ); Wed, 13 Jun 2018 21:04:34 -0400 Received: from mga06.intel.com ([134.134.136.31]:28517 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935616AbeFNBEc (ORCPT ); Wed, 13 Jun 2018 21:04:32 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Jun 2018 18:04:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,220,1526367600"; d="scan'208";a="49732763" Received: from voyager.sc.intel.com (HELO voyager) ([10.3.52.149]) by orsmga006.jf.intel.com with ESMTP; 13 Jun 2018 18:04:29 -0700 Date: Wed, 13 Jun 2018 18:00:54 -0700 From: Ricardo Neri To: Randy Dunlap Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Andi Kleen , Ashok Raj , Borislav Petkov , Tony Luck , "Ravi V. Shankar" , x86@kernel.org, sparclinux@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Jacob Pan , "Rafael J. Wysocki" , Don Zickus , Nicholas Piggin , Michael Ellerman , Frederic Weisbecker , Alexei Starovoitov , Babu Moger , Mathieu Desnoyers , Masami Hiramatsu , Peter Zijlstra , Andrew Morton , Philippe Ombredanne , Colin Ian King , Byungchul Park , "Paul E. McKenney" , "Luis R. Rodriguez" , Waiman Long , Josh Poimboeuf , Davidlohr Bueso , Christoffer Dall , Marc Zyngier , Kai-Heng Feng , Konrad Rzeszutek Wilk , David Rientjes , iommu@lists.linux-foundation.org Subject: Re: [RFC PATCH 16/23] watchdog/hardlockup: Add an HPET-based hardlockup detector Message-ID: <20180614010054.GB22358@voyager> References: <1528851463-21140-1-git-send-email-ricardo.neri-calderon@linux.intel.com> <1528851463-21140-17-git-send-email-ricardo.neri-calderon@linux.intel.com> <1e5bc136-4123-328a-2d2e-e6f2faef5bf4@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1e5bc136-4123-328a-2d2e-e6f2faef5bf4@infradead.org> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 12, 2018 at 10:23:47PM -0700, Randy Dunlap wrote: > Hi, Hi Randy, > > On 06/12/2018 05:57 PM, Ricardo Neri wrote: > > diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug > > index c40c7b7..6e79833 100644 > > --- a/lib/Kconfig.debug > > +++ b/lib/Kconfig.debug > > @@ -828,6 +828,16 @@ config HARDLOCKUP_DETECTOR_PERF > > bool > > select SOFTLOCKUP_DETECTOR > > > > +config HARDLOCKUP_DETECTOR_HPET > > + bool "Use HPET Timer for Hard Lockup Detection" > > + select SOFTLOCKUP_DETECTOR > > + select HARDLOCKUP_DETECTOR > > + depends on HPET_TIMER && HPET > > + help > > + Say y to enable a hardlockup detector that is driven by an High-Precision > > + Event Timer. In addition to selecting this option, the command-line > > + parameter nmi_watchdog option. See Documentation/admin-guide/kernel-parameters.rst > > The "In addition ..." thing is a broken (incomplete) sentence. Oops. I apologize. I missed this I will fix it in my next version. Thanks and BR, Ricardo