Thanks for linking my toot, here’s another update since then: the same person that found the race condition also found that there was a performance regression on non-synthetic benchmarks. It went super fast on his little test but is complete dogshit when used in the real world! lwn.net/ml/all/atI0edrmeiRuRtNQ@thinkstation/ And then he shunts the whole patchset on that person because VACATION TIME lwn.net/…/CAHk-=wiCe2H33izZHDyDHEhcFwUr9fXZk27-WZ… Some kid, eh?