Re: [RFC] [PATCH] Pre-emption control for userspace

[Thomas Gleixner]

On Tue, 4 Mar 2014, Khalid Aziz wrote:
> be in the right control group. Besides they want to use a common mechanism
> across multiple OSs and pre-emption delay is already in use on other OSs. Good
> idea though.

Well, just because preemption delay is a mechanism exposed by some
other OS does not make it a good idea.

In fact its a horrible idea.

What you are creating is a crystal ball based form of time bound
priority ceiling with the worst user space interface i've ever seen.

Thanks,

	tglx
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