Re: [RFC PATCH v3 11/21] x86/watchdog/hardlockup: Add an HPET-based hardlockup detector

2019-05-15 Thread Ricardo Neri
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

Re: [RFC PATCH v3 11/21] x86/watchdog/hardlockup: Add an HPET-based hardlockup detector

2019-05-14 Thread Randy Dunlap
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

[RFC PATCH v3 11/21] x86/watchdog/hardlockup: Add an HPET-based hardlockup detector

2019-05-14 Thread Ricardo Neri
This is the initial implementation of a hardlockup detector driven by an HPET timer. This initial implementation includes functions to control the timer via its registers. It also requests such timer, installs an NMI interrupt handler and performs the initial configuration of the timer. The