Peter Zijlstra <[email protected]> writes: > On Sat, May 16, 2020 at 01:45:48AM +0200, Thomas Gleixner wrote: >> Timestamping in the hardware latency detector uses sched_clock() underneath >> and depends on CONFIG_GENERIC_SCHED_CLOCK=n because sched clocks from that >> subsystem are not NMI safe. > > AFAICT that's not actually true, see commit: > > 1809bfa44e10 ("timers, sched/clock: Avoid deadlock during read from NMI") > > that said, no objection to switching to ktime, people that run HPET > clocks deserve all the pain and suffering available with those setups.
Correct ...

