From f792d2743ed4db9e96eff43bdc1e15dd441f19bf Mon Sep 17 00:00:00 2001 From: Liran Alon Date: Sat, 23 Jun 2018 02:35:05 +0300 Subject: [PATCH] KVM: nVMX: Introduce nested_cpu_has_shadow_vmcs() Signed-off-by: Liran Alon Signed-off-by: Jim Mattson Signed-off-by: Paolo Bonzini --- arch/x86/kvm/vmx.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index f6ec898ac539..64b11c57b5f4 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1806,6 +1806,11 @@ static inline bool nested_cpu_has_eptp_switching(struct vmcs12 *vmcs12) VMX_VMFUNC_EPTP_SWITCHING); } +static inline bool nested_cpu_has_shadow_vmcs(struct vmcs12 *vmcs12) +{ + return nested_cpu_has2(vmcs12, SECONDARY_EXEC_SHADOW_VMCS); +} + static inline bool is_nmi(u32 intr_info) { return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VALID_MASK)) @@ -11745,7 +11750,7 @@ static int check_vmentry_postreqs(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12, !nested_guest_cr4_valid(vcpu, vmcs12->guest_cr4)) return 1; - if (!nested_cpu_has2(vmcs12, SECONDARY_EXEC_SHADOW_VMCS) && + if (!nested_cpu_has_shadow_vmcs(vmcs12) && vmcs12->vmcs_link_pointer != -1ull) { *exit_qual = ENTRY_FAIL_VMCS_LINK_PTR; return 1; -- GitLab