On Mon, Aug 27, 2012 at 04:04:44PM +0800, Xiao Guangrong wrote:
> On 08/25/2012 02:54 AM, Marcelo Tosatti 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);
> > + }
>
> Can not use kvm_arch_flush_shadow_all()?
Better reduce it to necessary cases only.
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