Re: [PATCH V3]hrtimer: Fix a performance regression by disablereprogramming in remove_hrtimer

[Mike Galbraith]

On Fri, 2013-10-04 at 20:06 +0800, Ethan Zhao wrote: 
> Mike, Peter,
>    Seems lots of work has been done these days, studious guys. those
> patches merged in last stable/dev branch (fix performance regression
> caused by extra rtimer programming and rescheduling IPI,confusing
> idle... etc) ? So I could just do a lazy pull for test with my
> environment.  I need catch up with other mail loops with my vacation
> again.

Massive timer overhead seems to have crawled off and died while I wasn't
looking.  Peter's fix for IPI woes..

tip commit ea811747 sched, idle: Fix the idle polling state logic

..hasn't yet swum upstream.

-Mike

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