...
>  static bool vmx_has_high_real_mode_segbase(void)
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 7e3041ef050f..cc741b68139c 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -6706,21 +6706,13 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
>  
>       kvm_put_guest_xcr0(vcpu);
>  
> -     /* Interrupt is enabled by handle_external_intr() */
>       kvm_x86_ops->handle_external_intr(vcpu);
>  
>       ++vcpu->stat.exits;
>  
> -     /*
> -      * We must have an instruction between local_irq_enable() and
> -      * kvm_guest_exit(), so the timer interrupt isn't delayed by
> -      * the interrupt shadow.  The stat.exits increment will do nicely.
> -      * But we need to prevent reordering, hence this barrier():
> -      */
> -     barrier();
> -
> -     kvm_guest_exit();
> +     __kvm_guest_exit();

kvm_guest_exit has no more callers and so can be removed.

Bandan

> +     local_irq_enable();
>       preempt_enable();
>  
>       vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);

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