Messages in this thread | | | Date | Mon, 6 Jun 2005 08:04:53 -0700 (PDT) | From | Daniel Walker <> | Subject | Re: [patch] Real-Time Preemption, plist fixes |
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On Mon, 6 Jun 2005, Ingo Molnar wrote: > > yes, it's supposed to be used for user-space PI too. What do you mean by > 'completely bounded'. Do you consider the current worst-case O(100) > property of plists a 'completely bounded' solution? > > i dont think fusyn's should be made available to non-RT tasks. If this > restriction is preserved then fusyn's would become O(max_nr_RT_tasks) > too.
I think making fusyn RT tasks only would be asking a lot. Fusyn replaces Futex, and they are both used in pthreads. So non-RT tasks wouldn't be able to use pthreads in userspace, or a big chunk of pthread ..
Daniel
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