Messages in this thread | | | Subject | Re: [patch] Real-Time Preemption, -RT-2.6.12-rc1-V0.7.43-00 | From | Steven Rostedt <> | Date | Mon, 04 Apr 2005 17:14:56 -0400 |
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On Mon, 2005-04-04 at 22:47 +0200, Ingo Molnar wrote:
> > Currently my fix is in yield to lower the priority of the task calling > > yield and raise it after the schedule. This is NOT a proper fix. It's > > just a hack so I can get by it and test other parts. > > yeah, yield() is a quite RT-incompatible concept, which could livelock > an upstream kernel just as much - if the task in question is SCHED_FIFO. > Almost all yield() uses should be eliminated from the upstream kernel, > step by step.
Now the question is, who will fix it? Preferably the maintainers, but I don't know how much of a priority this is to them. I don't have the time now to look at this and understand enough about the code to be able to make a proper fix, and I'm sure you have other things to do too.
-- Steve
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