> Collecting the contention/usage statistics on a per spinlock > basis seems complex. I believe a practical approximation > to this are adaptive mutexes where upon hitting a spin > time threshold, punt and let the scheduler reconcile fairness.
That would probably work, except: how do you get the adaptive spinlock into a paravirt op without slowing down a standard kernel? -Andi -- a...@linux.intel.com -- Speaking for myself only. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html