From: Jan Kiszka Date: Sun, 14 Apr 2013 10:44:54 +0000 (+0200) Subject: KVM: nVMX: VM_ENTRY/EXIT_LOAD_IA32_EFER overrides EFER.LMA settings X-Git-Tag: v3.12-rc1~895^2~19 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d1fa0352a151a597e8749e7be84121a1ff0d3502;p=kernel%2Fkernel-generic.git KVM: nVMX: VM_ENTRY/EXIT_LOAD_IA32_EFER overrides EFER.LMA settings If we load the complete EFER MSR on entry or exit, EFER.LMA (and LME) loading is skipped. Their consistency is already checked now before starting the transition. Signed-off-by: Jan Kiszka Reviewed-by: Paolo Bonzini Signed-off-by: Gleb Natapov --- diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index d7ef556..5863adf 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -7519,7 +7519,7 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) if (vmcs12->vm_entry_controls & VM_ENTRY_LOAD_IA32_EFER) vcpu->arch.efer = vmcs12->guest_ia32_efer; - if (vmcs12->vm_entry_controls & VM_ENTRY_IA32E_MODE) + else if (vmcs12->vm_entry_controls & VM_ENTRY_IA32E_MODE) vcpu->arch.efer |= (EFER_LMA | EFER_LME); else vcpu->arch.efer &= ~(EFER_LMA | EFER_LME); @@ -7929,7 +7929,7 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu, { if (vmcs12->vm_exit_controls & VM_EXIT_LOAD_IA32_EFER) vcpu->arch.efer = vmcs12->host_ia32_efer; - if (vmcs12->vm_exit_controls & VM_EXIT_HOST_ADDR_SPACE_SIZE) + else if (vmcs12->vm_exit_controls & VM_EXIT_HOST_ADDR_SPACE_SIZE) vcpu->arch.efer |= (EFER_LMA | EFER_LME); else vcpu->arch.efer &= ~(EFER_LMA | EFER_LME);