On Wed, 2021-02-17 at 17:06 +0100, Paolo Bonzini wrote: > On 17/02/21 15:57, Maxim Levitsky wrote: > > diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c > > index b3e36dc3f164..e428d69e21c0 100644 > > --- a/arch/x86/kvm/vmx/vmx.c > > +++ b/arch/x86/kvm/vmx/vmx.c > > @@ -6921,13 +6921,15 @@ static fastpath_t vmx_vcpu_run(struct kvm_vcpu *vcpu) > > if (unlikely((u16)vmx->exit_reason.basic == EXIT_REASON_MCE_DURING_VMENTRY)) > > kvm_machine_check(); > > > > + if (likely(!vmx->exit_reason.failed_vmentry)) > > + vmx->idt_vectoring_info = vmcs_read32(IDT_VECTORING_INFO_FIELD); > > + > > Any reason for the if? Sean Christopherson asked me to do this to avoid updating idt_vectoring_info on failed VM entry, to keep things as they were logically before this patch. Best regards, Maxim Levitsky > > Paolo >
