diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 2ee7060a80a5de8acd33fb8e454b729d5f1efa25..1f7f5dd8306f9a9480d6b10873a2d9d7f23f2ac1 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -339,10 +339,13 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, direct = 1; if (!is_dirty_gpte(gw->ptes[level - delta])) access &= ~ACC_WRITE_MASK; - table_gfn = gpte_to_gfn(gw->ptes[level - delta]); - /* advance table_gfn when emulating 1gb pages with 4k */ - if (delta == 0) - table_gfn += PT_INDEX(addr, level); + /* + * It is a large guest pages backed by small host pages, + * So we set @direct(@shadow_page->role.direct)=1, and + * set @table_gfn(@shadow_page->gfn)=the base page frame + * for linear translations. + */ + table_gfn = gw->gfn & ~(KVM_PAGES_PER_HPAGE(level) - 1); access &= gw->pte_access; } else { direct = 0;