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    SubjectRe: [PATCH V2 3/10] KVM/MMU: Add last_level in the struct mmu_spte_page
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    On 02/02/19 02:38, lantianyu1986@gmail.com wrote:
    > diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
    > index ce770b446238..70cafd3f95ab 100644
    > --- a/arch/x86/kvm/mmu.c
    > +++ b/arch/x86/kvm/mmu.c
    > @@ -2918,6 +2918,9 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
    >
    > if (level > PT_PAGE_TABLE_LEVEL)
    > spte |= PT_PAGE_SIZE_MASK;
    > +
    > + sp->last_level = is_last_spte(spte, level);

    sp->last_level is always true here.

    Paolo

    > if (tdp_enabled)
    > spte |= kvm_x86_ops->get_mt_mask(vcpu, gfn,
    > kvm_is_mmio_pfn(pfn));

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