On Thu, 29 Mar 2012 11:44:12 +0200 Avi Kivity <avi@xxxxxxxxxx> wrote: > > Even without using reverse mapping we can restrict that flush easily: > > > > http://www.spinics.net/lists/kvm/msg68695.html > > [PATCH] KVM: Avoid zapping unrelated shadows in __kvm_set_memory_region() > > > > This would be better than using reverse mapping because we do not have so > > many shadow pages when we are in a tight loop like you mensioned. > > > > Anyway we could easily see tens of milliseconds difference by eliminating > > unrelated flush. > > Hm, the patch uses ->slot_bitmap which we might want to kill if we > increase the number of slots dramatically, as some people want to do. > > btw, what happened to that patch, did it just get ignored on the list? I did not get any comments, maybe because it was during around your vacation. Takuya -- 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
