Messages in this thread | | | Date | Fri, 22 Feb 2002 11:44:10 -0800 | From | Paul Jackson <> | Subject | Re: [Lse-tech] Re: [PATCH] O(1) scheduler set_cpus_allowed for non-current tasks |
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On Fri, 22 Feb 2002, Ingo Molnar wrote: > > well, how do you migrate the task from an IRQ context?
Let it remove itself, in due time.
> even if it worked, this adds a 1/(2*HZ) average latency to the migration. > I wanted to have something that is capable of migrating tasks 'instantly'.
That's the key question, from my perspective.
I was not aware of any need for instant migration, and to the best of my knowledge, a clock tick latency was just fine. But if your intuition suggests its worth supporting instant migration, go for it.
The main concern I had with Erich Focht's patches that also attempted instant migration was that Ingo wouldn't agree. Somehow, I don't think that concern applies for your patches.
Thanks, Ingo! I'm delighted with the outcome.
-- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson <pj@sgi.com> 1.650.933.1373
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