On Tue, May 10, 2022 at 01:44:05PM +0200, Thomas Gleixner wrote:
> On Tue, May 10 2022 at 21:16, Nicholas Piggin wrote:
> > Excerpts from Ricardo Neri's message of May 6, 2022 10:00 am:
> >> + /*
> >> + * If in use, the HPET hardlockup detector relies on tsc_khz.
> >> + * Reconfigure it to mak
On Tue, May 10, 2022 at 09:16:21PM +1000, Nicholas Piggin wrote:
> Excerpts from Ricardo Neri's message of May 6, 2022 10:00 am:
> > The HPET hardlockup detector relies on tsc_khz to estimate the value of
> > that the TSC will have when its HPET channel fires. A refined tsc_khz
> > helps to estimat
On Tue, May 10 2022 at 21:16, Nicholas Piggin wrote:
> Excerpts from Ricardo Neri's message of May 6, 2022 10:00 am:
>> +/*
>> + * If in use, the HPET hardlockup detector relies on tsc_khz.
>> + * Reconfigure it to make use of the refined tsc_khz.
>> + */
>> +lockup_detector_rec
Excerpts from Ricardo Neri's message of May 6, 2022 10:00 am:
> The HPET hardlockup detector relies on tsc_khz to estimate the value of
> that the TSC will have when its HPET channel fires. A refined tsc_khz
> helps to estimate better the expected TSC value.
>
> Using the early value of tsc_khz ma
The HPET hardlockup detector relies on tsc_khz to estimate the value of
that the TSC will have when its HPET channel fires. A refined tsc_khz
helps to estimate better the expected TSC value.
Using the early value of tsc_khz may lead to a large error in the expected
TSC value. Restarting the NMI wa
