Messages in this thread | | | Date | Wed, 14 Jan 2009 12:42:47 +0100 | From | Folkert van Heusden <> | Subject | Re: [PATCH -v8][RFC] mutex: implement adaptive spinning |
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> > The key criteria for the busy wait is that the lock owner has to be running on > > a (different) cpu. The idea is that as long as the owner is running, there is a > > fair chance it'll release the lock soon, and thus we'll be better off spinning > > instead of blocking/scheduling. > > Won't this make Linux less "green"? (-> use more power since busy loops > use more power than idle loops) If so, maybe it should be make > configurable somewhere?
Oh darn, it *is* configurable at run-time. Sorry for the noise.
Folkert van Heusden
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