linux-kernel - Re: [PATCH v6 2/2] KVM: LAPIC: Inject timer interrupt via posted interrupt

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Date:   Fri, 5 Jul 2019 18:04:09 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Wanpeng Li <kernellwp@...il.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     Radim Krčmář <rkrcmar@...hat.com>,
        Marcelo Tosatti <mtosatti@...hat.com>
Subject: Re: [PATCH v6 2/2] KVM: LAPIC: Inject timer interrupt via posted
 interrupt

On 05/07/19 16:52, Wanpeng Li wrote:
>  
> -void kvm_wait_lapic_expire(struct kvm_vcpu *vcpu)
> +void kvm_wait_lapic_expire(struct kvm_vcpu *vcpu, bool pi_inject)
>  {
>  	struct kvm_lapic *apic = vcpu->arch.apic;
>  	u64 guest_tsc, tsc_deadline;
> @@ -1539,7 +1570,7 @@ void kvm_wait_lapic_expire(struct kvm_vcpu *vcpu)
>  	if (apic->lapic_timer.expired_tscdeadline == 0)
>  		return;
>  
> -	if (!lapic_timer_int_injected(vcpu))
> +	if (!lapic_timer_int_injected(vcpu) && !pi_inject)
>  		return;
>  

What is the reason for this other bool argument?  (Yes, I hate bool
arguments...).

Paolo