Commit 7e810a38 authored by Wanpeng Li's avatar Wanpeng Li Committed by Paolo Bonzini
Browse files

KVM: LAPIC: rename start/cancel_hv_tscdeadline to start/cancel_hv_timer 



Rename start/cancel_hv_tscdeadline to start/cancel_hv_timer since
they will handle both APIC Timer periodic/oneshot mode and tsc-deadline
mode.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Yunhong Jiang <yunhong.jiang@intel.com>
Signed-off-by: default avatarWanpeng Li <wanpeng.li@hotmail.com>
Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
parent 498f8162

arch/x86/kvm/lapic.c

+8 −8
Original line number Diff line number Diff line
@@ -1400,7 +1400,7 @@ bool kvm_lapic_hv_timer_in_use(struct kvm_vcpu *vcpu) 
}

EXPORT_SYMBOL_GPL(kvm_lapic_hv_timer_in_use);



static void cancel_hv_tscdeadline(struct kvm_lapic *apic)

static void cancel_hv_timer(struct kvm_lapic *apic)

{

	kvm_x86_ops->cancel_hv_timer(apic->vcpu);

	apic->lapic_timer.hv_timer_in_use = false;
@@ -1412,26 +1412,26 @@ void kvm_lapic_expired_hv_timer(struct kvm_vcpu *vcpu) 


	WARN_ON(!apic->lapic_timer.hv_timer_in_use);

	WARN_ON(swait_active(&vcpu->wq));

	cancel_hv_tscdeadline(apic);

	cancel_hv_timer(apic);

	apic_timer_expired(apic);

}

EXPORT_SYMBOL_GPL(kvm_lapic_expired_hv_timer);



static bool start_hv_tscdeadline(struct kvm_lapic *apic)

static bool start_hv_timer(struct kvm_lapic *apic)

{

	u64 tscdeadline = apic->lapic_timer.tscdeadline;



	if (atomic_read(&apic->lapic_timer.pending) ||

		kvm_x86_ops->set_hv_timer(apic->vcpu, tscdeadline)) {

		if (apic->lapic_timer.hv_timer_in_use)

			cancel_hv_tscdeadline(apic);

			cancel_hv_timer(apic);

	} else {

		apic->lapic_timer.hv_timer_in_use = true;

		hrtimer_cancel(&apic->lapic_timer.timer);



		/* In case the sw timer triggered in the window */

		if (atomic_read(&apic->lapic_timer.pending))

			cancel_hv_tscdeadline(apic);

			cancel_hv_timer(apic);

	}

	trace_kvm_hv_timer_state(apic->vcpu->vcpu_id,

			apic->lapic_timer.hv_timer_in_use);
@@ -1445,7 +1445,7 @@ void kvm_lapic_switch_to_hv_timer(struct kvm_vcpu *vcpu) 
	WARN_ON(apic->lapic_timer.hv_timer_in_use);



	if (apic_lvtt_tscdeadline(apic))

		start_hv_tscdeadline(apic);

		start_hv_timer(apic);

}

EXPORT_SYMBOL_GPL(kvm_lapic_switch_to_hv_timer);
@@ -1457,7 +1457,7 @@ void kvm_lapic_switch_to_sw_timer(struct kvm_vcpu *vcpu) 
	if (!apic->lapic_timer.hv_timer_in_use)

		return;



	cancel_hv_tscdeadline(apic);

	cancel_hv_timer(apic);



	if (atomic_read(&apic->lapic_timer.pending))

		return;
@@ -1473,7 +1473,7 @@ static void start_apic_timer(struct kvm_lapic *apic) 
	if (apic_lvtt_period(apic) || apic_lvtt_oneshot(apic))

		start_sw_period(apic);

	else if (apic_lvtt_tscdeadline(apic)) {

		if (!(kvm_x86_ops->set_hv_timer && start_hv_tscdeadline(apic)))

		if (!(kvm_x86_ops->set_hv_timer && start_hv_timer(apic)))

			start_sw_tscdeadline(apic);

	}

}

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