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From: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
To: Randy Dunlap <rdunlap@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@kernel.org>, Borislav Petkov <bp@suse.de>,
	Ashok Raj <ashok.raj@intel.com>, Joerg Roedel <joro@8bytes.org>,
	Andi Kleen <andi.kleen@intel.com>,
	Peter Zijlstra <peterz@infradead.org>,
	"Ravi V. Shankar" <ravi.v.shankar@intel.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org,
	iommu@lists.linux-foundation.org,
	Ricardo Neri <ricardo.neri@intel.com>,
	"H. Peter Anvin" <hpa@zytor.com>, Tony Luck <tony.luck@intel.com>,
	Clemens Ladisch <clemens@ladisch.de>,
	Arnd Bergmann <arnd@arndb.de>,
	Philippe Ombredanne <pombredanne@nexb.com>,
	Kate Stewart <kstewart@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
	Mimi Zohar <zohar@linux.ibm.com>,
	Jan Kiszka <jan.kiszka@siemens.com>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	Nayna Jain <nayna@linux.ibm.com>,
	Stephane Eranian <eranian@google.com>,
	Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Subject: Re: [RFC PATCH v3 11/21] x86/watchdog/hardlockup: Add an HPET-based hardlockup detector
Date: Wed, 15 May 2019 08:56:37 -0700	[thread overview]
Message-ID: <20190515155637.GC10526@ranerica-svr.sc.intel.com> (raw)
In-Reply-To: <62576937-50fc-fded-784b-d691e455dfc1@infradead.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

  reply	other threads:[~2019-05-15 15:58 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-14 14:01 [RFC PATCH v3 00/21] Implement " Ricardo Neri
2019-05-14 14:01 ` [RFC PATCH v3 01/21] x86/msi: Add definition for NMI delivery mode Ricardo Neri
2019-05-14 14:01 ` [RFC PATCH v3 02/21] x86/hpet: Expose hpet_writel() in header Ricardo Neri
2019-05-14 14:01 ` [RFC PATCH v3 03/21] x86/hpet: Calculate ticks-per-second in a separate function Ricardo Neri
2019-05-14 14:23   ` Randy Dunlap
2019-05-15 15:54     ` Ricardo Neri
2019-05-14 14:01 ` [RFC PATCH v3 04/21] x86/hpet: Add hpet_set_comparator() for periodic and one-shot modes Ricardo Neri
2019-05-14 14:24   ` Randy Dunlap
2019-05-15 15:56     ` Ricardo Neri
2019-05-14 14:01 ` [RFC PATCH v3 05/21] x86/hpet: Reserve timer for the HPET hardlockup detector Ricardo Neri
2019-05-14 14:01 ` [RFC PATCH v3 06/21] x86/hpet: Configure the timer used by the " Ricardo Neri
2019-05-14 14:02 ` [RFC PATCH v3 07/21] watchdog/hardlockup: Define a generic function to detect hardlockups Ricardo Neri
2019-05-14 14:02 ` [RFC PATCH v3 08/21] watchdog/hardlockup: Decouple the hardlockup detector from perf Ricardo Neri
2019-05-14 14:02 ` [RFC PATCH v3 09/21] x86/nmi: Add a NMI_WATCHDOG NMI handler category Ricardo Neri
2019-05-14 14:02 ` [RFC PATCH v3 10/21] watchdog/hardlockup: Add function to enable NMI watchdog on all allowed CPUs at once Ricardo Neri
2019-05-14 14:02 ` [RFC PATCH v3 11/21] x86/watchdog/hardlockup: Add an HPET-based hardlockup detector Ricardo Neri
2019-05-14 14:26   ` Randy Dunlap
2019-05-15 15:56     ` Ricardo Neri [this message]
2019-05-14 14:02 ` [RFC PATCH v3 12/21] watchdog/hardlockup/hpet: Adjust timer expiration on the number of monitored CPUs Ricardo Neri
2019-05-14 14:02 ` [RFC PATCH v3 13/21] x86/watchdog/hardlockup/hpet: Determine if HPET timer caused NMI Ricardo Neri
2019-05-14 14:02 ` [RFC PATCH v3 14/21] watchdog/hardlockup: Use parse_option_str() to handle "nmi_watchdog" Ricardo Neri
2019-05-14 14:02 ` [RFC PATCH v3 15/21] watchdog/hardlockup/hpet: Only enable the HPET watchdog via a boot parameter Ricardo Neri
2019-05-14 14:02 ` [RFC PATCH v3 16/21] x86/watchdog: Add a shim hardlockup detector Ricardo Neri
2019-05-14 14:02 ` [RFC PATCH v3 17/21] x86/tsc: Switch to perf-based hardlockup detector if TSC become unstable Ricardo Neri
2019-05-14 14:02 ` [RFC PATCH v3 18/21] x86/apic: Add a parameter for the APIC delivery mode Ricardo Neri
2019-05-14 14:02 ` [RFC PATCH v3 19/21] iommu/vt-d: Rework prepare_irte() to support per-irq " Ricardo Neri
2019-05-14 14:02 ` [RFC PATCH v3 20/21] iommu/vt-d: hpet: Reserve an interrupt remampping table entry for watchdog Ricardo Neri
2019-05-14 14:02 ` [RFC PATCH v3 21/21] x86/watchdog/hardlockup/hpet: Support interrupt remapping Ricardo Neri

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