On Fri, May 09, 2008 at 09:32:30PM +0200, Andrea Arcangeli wrote: > From: Andrea Arcangeli <[EMAIL PROTECTED]> > > With KVM/GFP/XPMEM there isn't just the primary CPU MMU pointing to > pages. There are secondary MMUs (with secondary sptes and secondary > tlbs) too. sptes in the kvm case are shadow pagetables, but when I say > spte in mmu-notifier context, I mean "secondary pte". In GRU case > there's no actual secondary pte and there's only a secondary tlb > because the GRU secondary MMU has no knowledge about sptes and every > secondary tlb miss event in the MMU always generates a page fault that > has to be resolved by the CPU (this is not the case of KVM where the a > secondary tlb miss will walk sptes in hardware and it will refill the >...
FYI, I applied to patch to a tree that has the GRU driver. All regression tests passed. --- jack _______________________________________________ general mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
