On Tue, Mar 09, 2010 at 04:50:29PM +0200, Avi Kivity wrote: > On 03/09/2010 04:09 PM, Gleb Natapov wrote: > >Currently when string instruction is only partially complete we go back > >to a guest mode, guest tries to reexecute instruction and exits again > >and at this point emulation continues. Avoid all of this by restarting > >instruction without going back to a guest mode. > > What happens if rcx is really big? Going back into the guest gave > us a preemption point. > Two solutions. We can check if reschedule is required and yield cpu if needed. Or we can enter guest from time to time. -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
