Re: clocksource: Reduce watchdog readout delay limit to prevent false positives

[Paul E. McKenney]

On Sat, Dec 20, 2025 at 09:38:31AM +0100, Thomas Gleixner wrote:
> On Fri, Dec 19 2025 at 16:18, Paul E. McKenney wrote:
> > One might naively hope that the HPETs in a given system could synchronize
> > themselves so that each CPU could read the HPET nearest it instead of
> > everyone reading CPU 0's HPET.  Or that some other means would allow
> > reasonable access times.  Hey, I can dream, can't I?
> 
> Sounds more like a nightmare TBH.

There are systems that manage to provide reasonable timer access times
and fully synchronized timers, and have been for many decades.

So give me ugly hardware, and I will have at most zero sympathy for
complaints about software that is less than perfectly beautiful.

							Thanx, Paul