>From: Daniel Walker [mailto:[email protected]]
>
>On Thu, 2005-04-07 at 23:28, Ingo Molnar wrote:
>
>> this one looks really clean.
>>
>> it makes me wonder, what is the current status of fusyn's? Such a
light
>> datastructure would be much more mergeable upstream than the former
>> 100-queues approach.
>
> Inaky was telling me that 100 queues approach is two years old.
>
>The biggest problem is that fusyn has it's own PI system .. So it's not
>clear if that will work with the RT mutex,. I was thinking the PI stuff
>could be made generic so, fusyn, maybe futex, can use it also .
I concur with Daniel. If we can decide how to deal with that (toss
one out, keep one, merge them, whatever), we could reuse all the user
space glue that is the hardest part to get right.
Current tip of development has some issues with conditional variables
and broadcasts (requeue stuff) that I need to sink my teeth in. Joe
Korty is fixing up a lot of corner cases I wasn't catching, but
other than that is doing fine.
How long ago since you saw it? I also implemented the futex redirection
stuff we discussed some months ago.
-- Inaky
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