Re: [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U9

[Ingo Molnar]

* Nikita Danilov <nikita@xxxxxxxxxxxxx> wrote:

>  > condition variables are fine if you 1) already know them from userspace
>  > and 2) want to use a single locking abstraction for everything. It is
>  > thus also a kitchen-sink primitive that is inevitably slow and complex.
>  > I still have to see a locking problem where condvars are the
>  > cleanest/simplest answer, and i've yet to see a locking problem where
>  > condvars are not the slowest answer ;)
> 
> A kernel daemon that waits for some work to do is an example.

what type of work - could you be a bit more specific?

	Ingo
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