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 ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
