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 > + Precision Event Timer. This option is helpful to not use counters > + from the Performance Monitoring Unit to drive the detector. > + > config X86_DECODER_SELFTEST > bool "x86 instruction decoder selftest" > depends on DEBUG_KERNEL && KPROBES -- ~Randy