Thread (70 messages) 70 messages, 7 authors, 2018-06-21

Re: [RFC PATCH 16/23] watchdog/hardlockup: Add an HPET-based hardlockup detector

From: Ricardo Neri <hidden>
Date: 2018-06-14 01:04:36
Also in: linux-iommu, lkml, sparclinux

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:
quoted
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
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