Messages in this thread | | | Date | Thu, 1 Sep 2016 12:06:31 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v15 04/13] task_isolation: add initial support |
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On Tue, Aug 30, 2016 at 11:32:16AM -0400, Chris Metcalf wrote: > On 8/30/2016 3:58 AM, Peter Zijlstra wrote:
> >What !? I really don't get this, what are you waiting for? Why is > >rescheduling making things better. > > We need to wait for the last dyntick to fire before we can return to > userspace. There are plenty of options as to what we can do in the > meanwhile.
Why not keep your _TIF_TASK_ISOLATION_FOO flag set and re-enter the loop?
I really don't see how setting TIF_NEED_RESCHED is helping anything.
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