Messages in this thread | | | Date | Sun, 26 Oct 2014 11:39:18 +0100 | From | "Steinar H. Gunderson" <> | Subject | Re: bisected: futex regression >= 3.14 - was - Slowdown due to threads bouncing between HT cores |
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On Fri, Oct 24, 2014 at 06:38:41PM +0200, Mike Galbraith wrote: >>> Whew, good, futex.c is hard. Heads up chess guys <punt>. >> I wonder whether the barrier fix which got into 3.17 late fixes that >> issue as well. > Yes, it did.
This is only about the lockup, right, not that the threads bounce around a lot and make things slower?
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