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-rw-r--r--arch/x86/kvm/mmu/mmu.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 7b088417d978..3a2d39f7f6eb 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -4953,9 +4953,11 @@ kvm_calc_shadow_ept_root_page_role(struct kvm_vcpu *vcpu, bool accessed_dirty,
{
union kvm_mmu_role role = {0};
- /* SMM flag is inherited from root_mmu */
- role.base.smm = vcpu->arch.root_mmu.mmu_role.base.smm;
-
+ /*
+ * KVM does not support SMM transfer monitors, and consequently does not
+ * support the "entry to SMM" control either. role.base.smm is always 0.
+ */
+ WARN_ON_ONCE(is_smm(vcpu));
role.base.level = level;
role.base.has_4_byte_gpte = false;
role.base.direct = false;