linux-kernel - Re: [PATCH v2 2/3] KVM: LAPIC: lapic timer interrupt is injected by posted interrupt

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Message-ID: <CANRm+CzgLov6AYDVLYOFvZvo+bLS9AA+3J_qSis6PK3f9_2utw@mail.gmail.com>
Date:   Tue, 11 Jun 2019 20:18:53 +0800
From:   Wanpeng Li <kernellwp@...il.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, kvm <kvm@...r.kernel.org>,
        Radim Krčmář <rkrcmar@...hat.com>
Subject: Re: [PATCH v2 2/3] KVM: LAPIC: lapic timer interrupt is injected by
 posted interrupt

On Tue, 11 Jun 2019 at 19:40, Paolo Bonzini <pbonzini@...hat.com> wrote:
>
> On 06/06/19 07:31, Wanpeng Li wrote:
> > +static inline bool can_posted_interrupt_inject_timer(struct kvm_vcpu *vcpu)
> > +{
> > +     return posted_interrupt_inject_timer_enabled(vcpu) &&
> > +             !vcpu_halt_in_guest(vcpu);
> > +}
> > +
>
> I agree with Radim, what you want here is just use kvm_hlt_in_guest.

Do it in v3.

>
> I'll post shortly a prerequisite patch to block APF artificial halt when
> kvm_hlt_in_guest is true.

Thanks Paolo!

Regards,
Wanpeng Li