0051293c5330 ("clocksource: Enable TSC watchdog checking of HPET and PMTMR only when requested") efc8b329c7fd ("clocksource: Verify HPET and PMTMR when TSC unverified") a7ec817d5542 ("x86/tsc: Add option to force frequency recalibration with HW timer") b50db7095fe0 ("x86/tsc: Disable clocksource watchdog for TSC on qualified platorms")