On Tue, Mar 15, 2022 at 3:27 AM Peter Xu <peterx@xxxxxxxxxx> wrote:
>
> On Fri, Mar 11, 2022 at 12:25:13AM +0000, David Matlack wrote:
> > static struct kvm_mmu_page *tdp_mmu_alloc_sp(struct kvm_vcpu *vcpu)
> > {
> > - struct kvm_mmu_page *sp;
> > -
> > - sp = kvm_mmu_memory_cache_alloc(&vcpu->arch.mmu_page_header_cache);
> > - sp->spt = kvm_mmu_memory_cache_alloc(&vcpu->arch.mmu_shadow_page_cache);
> > - set_page_private(virt_to_page(sp->spt), (unsigned long)sp);
> > -
> > - return sp;
> > + return kvm_mmu_alloc_shadow_page(vcpu, true);
> > }
>
> Similarly I had a feeling we could drop tdp_mmu_alloc_sp() too.. anyway:
Certainly, but I think it simplifies the TDP MMU code to keep it. It abstracts
away the implementation detail that a TDP MMU shadow page is allocated
the same way as a shadow MMU shadow page with direct=true.
>
> Reviewed-by: Peter Xu <peterx@xxxxxxxxxx>
>
> --
> Peter Xu
>
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