Re: [PATCH][RFC]: mutex: adaptive spin

[Ingo Molnar]

* Gregory Haskins <ghaskins@xxxxxxxxxx> wrote:

> Ingo Molnar wrote:
> > There's no time or spin-rate based heuristics in this at all (i.e. these 
> > mutexes are not 'adaptive' at all!),
> 
> FYI: The original "adaptive" name was chosen in the -rt implementation 
> to reflect that the locks can adaptively spin or sleep, depending on 
> conditions.  I realize this is in contrast to the typical usage of the 
> term when it is in reference to the spin-time being based on some 
> empirical heuristics, etc as you mentioned.  Sorry for the confusion.

the current version of the -rt spinny-mutexes bits were mostly written by 
Steve, right? Historically it all started out with a more classic 
"adaptive mutexes" patchset so the name stuck i guess.

	Ingo

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