On Tue, Sep 20, 2016 at 09:42:41AM -0400, Waiman Long wrote: > +/* > + * Spinning threshold before enabling lock handoff. > + * Each sleep will decrement the threshold by 1/32 of the start value. > + */ > +#define TO_SPIN_THRESHOLD (1 << 13) > +#define TO_SLEEP_DECREMENT (TO_SPIN_THRESHOLD/32)
Argh, we should really get rid of those stupid numbers. Wasn't there a patch set working on implementing paravirt functions that would make all this fixable in a sane way?