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=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 974BAC46460 for ; Wed, 15 May 2019 15:58:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 682BF2089E for ; Wed, 15 May 2019 15:58:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728574AbfEOP6T (ORCPT ); Wed, 15 May 2019 11:58:19 -0400 Received: from mga06.intel.com ([134.134.136.31]:26191 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726335AbfEOP6S (ORCPT ); Wed, 15 May 2019 11:58:18 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 May 2019 08:58:17 -0700 X-ExtLoop1: 1 Received: from ranerica-svr.sc.intel.com ([172.25.110.23]) by orsmga004.jf.intel.com with ESMTP; 15 May 2019 08:58:16 -0700 Date: Wed, 15 May 2019 08:56:37 -0700 From: Ricardo Neri To: Randy Dunlap Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Ashok Raj , Joerg Roedel , Andi Kleen , Peter Zijlstra , "Ravi V. Shankar" , x86@kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Ricardo Neri , "H. Peter Anvin" , Tony Luck , Clemens Ladisch , Arnd Bergmann , Philippe Ombredanne , Kate Stewart , "Rafael J. Wysocki" , Mimi Zohar , Jan Kiszka , Nick Desaulniers , Masahiro Yamada , Nayna Jain , Stephane Eranian , Suravee Suthikulpanit Subject: Re: [RFC PATCH v3 11/21] x86/watchdog/hardlockup: Add an HPET-based hardlockup detector Message-ID: <20190515155637.GC10526@ranerica-svr.sc.intel.com> References: <1557842534-4266-1-git-send-email-ricardo.neri-calderon@linux.intel.com> <1557842534-4266-12-git-send-email-ricardo.neri-calderon@linux.intel.com> <62576937-50fc-fded-784b-d691e455dfc1@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <62576937-50fc-fded-784b-d691e455dfc1@infradead.org> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 14, 2019 at 07:26:58AM -0700, Randy Dunlap wrote: > On 5/14/19 7:02 AM, Ricardo Neri wrote: > > diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug > > index 15d0fbe27872..376a5db81aec 100644 > > --- a/arch/x86/Kconfig.debug > > +++ b/arch/x86/Kconfig.debug > > @@ -169,6 +169,17 @@ config IOMMU_LEAK > > config HAVE_MMIOTRACE_SUPPORT > > def_bool y > > > > +config X86_HARDLOCKUP_DETECTOR_HPET > > + bool "Use HPET Timer for Hard Lockup Detection" > > + select SOFTLOCKUP_DETECTOR > > + select HARDLOCKUP_DETECTOR > > + select HARDLOCKUP_DETECTOR_CORE > > + depends on HPET_TIMER && HPET && X86_64 > > + help > > + Say y to enable a hardlockup detector that is driven by an High- > > by a > I'll correct. Thanks and BR, Ricardo