On 1/21/25 01:55, Peter Zijlstra wrote: > Can't we just start with a very simple constant test and poke at things > if/when its found to not work? I'd prefer something simpler for now, too. Let's just pick a sane number, maybe 16 or 32 for now, make it pokeable in debugfs and make sure we have a way to tell when the PCID space is exhausted. Then we try and design a solution for the _actual_ cases where folks are exhausting it.
