Messages in this thread | | | Date | Tue, 19 Sep 2023 18:22:46 +0200 (CEST) | From | Richard Weinberger <> | Subject | Re: Arches that don't support PREEMPT |
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----- Ursprüngliche Mail ----- > Von: "anton ivanov" <anton.ivanov@cambridgegreys.com> > It's been a while. I remember that I dropped it at the time, but do not remember > the full details. > > There was some stuff related to FP state and a few other issues I ran into while > rewriting the interrupt controller. Some of it may be resolved by now as we are > using host cpu flags, etc.
I remember also having a hacky but working version almost 10 years ago. It was horrible slow because of the extra scheduler rounds. But yes, if PREEMPT will be a must-have feature we'll have to try again.
Thanks, //richard
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