On Fri, 24 Aug 2012 15:54:59 -0300 Marcelo Tosatti <mtosatti@xxxxxxxxxx> wrote: > Other arches do not need this. > > Signed-off-by: Marcelo Tosatti <mtosatti@xxxxxxxxxx> > > Index: kvm/arch/x86/kvm/x86.c > =================================================================== > --- kvm.orig/arch/x86/kvm/x86.c > +++ kvm/arch/x86/kvm/x86.c > @@ -6455,6 +6455,14 @@ void kvm_arch_commit_memory_region(struc > kvm_mmu_change_mmu_pages(kvm, nr_mmu_pages); > kvm_mmu_slot_remove_write_access(kvm, mem->slot); > spin_unlock(&kvm->mmu_lock); > + /* > + * If the new memory slot is created, we need to clear all > + * mmio sptes. > + */ > + if (old.npages == 0 && npages) { > + kvm_mmu_zap_all(kvm); > + kvm_reload_remote_mmus(kvm); > + } > } Any explanation why (old.base_gfn != new.base_gfn) case can be omitted? Takuya > > void kvm_arch_flush_shadow_all(struct kvm *kvm) > Index: kvm/virt/kvm/kvm_main.c > =================================================================== > --- kvm.orig/virt/kvm/kvm_main.c > +++ kvm/virt/kvm/kvm_main.c > @@ -849,13 +849,6 @@ int __kvm_set_memory_region(struct kvm * > > kvm_arch_commit_memory_region(kvm, mem, old, user_alloc); > > - /* > - * If the new memory slot is created, we need to clear all > - * mmio sptes. > - */ > - if (npages && old.base_gfn != mem->guest_phys_addr >> PAGE_SHIFT) > - kvm_arch_flush_shadow_all(kvm); > - > kvm_free_physmem_slot(&old, &new); > kfree(old_memslots); -- 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