diff --git a/arch/x86/kvm/vmx/tdx.c b/arch/x86/kvm/vmx/tdx.c index 2dfc90c449a7..965c1244e733 100644 --- a/arch/x86/kvm/vmx/tdx.c +++ b/arch/x86/kvm/vmx/tdx.c @@ -1666,7 +1666,7 @@ static struct page *tdx_spte_to_sept_pt(struct kvm *kvm, gfn_t gfn, return virt_to_page(sp->external_spt); } -static int tdx_sept_link_private_spt(struct kvm *kvm, gfn_t gfn, +static int tdx_sept_map_nonleaf_spte(struct kvm *kvm, gfn_t gfn, enum pg_level level, u64 mirror_spte) { gpa_t gpa = gfn_to_gpa(gfn); @@ -1688,18 +1688,12 @@ static int tdx_sept_link_private_spt(struct kvm *kvm, gfn_t gfn, return 0; } -static int tdx_sept_set_private_spte(struct kvm *kvm, gfn_t gfn, - enum pg_level level, u64 mirror_spte) +static int tdx_sept_map_leaf_spte(struct kvm *kvm, gfn_t gfn, enum pg_level level, + u64 mirror_spte) { struct kvm_tdx *kvm_tdx = to_kvm_tdx(kvm); kvm_pfn_t pfn = spte_to_pfn(mirror_spte); - if (KVM_BUG_ON(!is_shadow_present_pte(mirror_spte), kvm)) - return -EIO; - - if (!is_last_spte(mirror_spte, level)) - return tdx_sept_link_private_spt(kvm, gfn, level, mirror_spte); - /* TODO: handle large pages. */ if (KVM_BUG_ON(level != PG_LEVEL_4K, kvm)) return -EIO; @@ -1724,6 +1718,18 @@ static int tdx_sept_set_private_spte(struct kvm *kvm, gfn_t gfn, return tdx_mem_page_aug(kvm, gfn, level, pfn); } +static int tdx_sept_set_private_spte(struct kvm *kvm, gfn_t gfn, + enum pg_level level, u64 mirror_spte) +{ + if (KVM_BUG_ON(!is_shadow_present_pte(mirror_spte), kvm)) + return -EIO; + + if (!is_last_spte(mirror_spte, level)) + return tdx_sept_map_nonleaf_spte(kvm, gfn, level, mirror_spte); + + return tdx_sept_map_leaf_spte(kvm, gfn, level, mirror_spte); +} + /* * Ensure shared and private EPTs to be flushed on all vCPUs. * tdh_mem_track() is the only caller that increases TD epoch. An increase in