Re: [PATCH 3/4] KVM: x86: Clean up directed yield API for "has pending interrupt"

From: Yuan Yao
Date: Thu Jan 11 2024 - 07:49:57 EST


On Tue, Jan 09, 2024 at 04:39:37PM -0800, Sean Christopherson wrote:
> Directly return the boolean result of whether or not a vCPU has a pending
> interrupt instead of effectively doing:
>
> if (true)
> return true;
>
> return false;
>
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>

Reviewed-by: Yuan Yao <yuan.yao@xxxxxxxxx>

> ---
> arch/x86/kvm/x86.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 77494f9c8d49..b7996a75d9a3 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -13083,11 +13083,8 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
>
> bool kvm_arch_dy_has_pending_interrupt(struct kvm_vcpu *vcpu)
> {
> - if (kvm_vcpu_apicv_active(vcpu) &&
> - static_call(kvm_x86_dy_apicv_has_pending_interrupt)(vcpu))
> - return true;
> -
> - return false;
> + return kvm_vcpu_apicv_active(vcpu) &&
> + static_call(kvm_x86_dy_apicv_has_pending_interrupt)(vcpu);
> }
>
> bool kvm_arch_vcpu_preempted_in_kernel(struct kvm_vcpu *vcpu)
> --
> 2.43.0.472.g3155946c3a-goog
>
>