KVM: arm/arm64: vgic: Add __vgic_put_lpi_locked primitive (1bb3691d) · Commits · 戴 / test

virt/kvm/arm/vgic/vgic.c

+17 −9

Original line number	Diff line number	Diff line
		@@ -119,6 +119,22 @@ static void vgic_irq_release(struct kref *ref)
		{
		}

		/*
		* Drop the refcount on the LPI. Must be called with lpi_list_lock held.
		*/
		void __vgic_put_lpi_locked(struct kvm kvm, struct vgic_irq irq)
		{
		struct vgic_dist *dist = &kvm->arch.vgic;

		if (!kref_put(&irq->refcount, vgic_irq_release))
		return;

		list_del(&irq->lpi_list);
		dist->lpi_list_count--;

		kfree(irq);
		}

		void vgic_put_irq(struct kvm kvm, struct vgic_irq irq)
		{
		struct vgic_dist *dist = &kvm->arch.vgic;
		@@ -128,16 +144,8 @@ void vgic_put_irq(struct kvm kvm, struct vgic_irq irq)
		return;

		raw_spin_lock_irqsave(&dist->lpi_list_lock, flags);
		if (!kref_put(&irq->refcount, vgic_irq_release)) {
		raw_spin_unlock_irqrestore(&dist->lpi_list_lock, flags);
		return;
		};

		list_del(&irq->lpi_list);
		dist->lpi_list_count--;
		__vgic_put_lpi_locked(kvm, irq);
		raw_spin_unlock_irqrestore(&dist->lpi_list_lock, flags);

		kfree(irq);
		}

		void vgic_flush_pending_lpis(struct kvm_vcpu *vcpu)

+1 −0

Original line number	Diff line number	Diff line
		@@ -161,6 +161,7 @@ vgic_get_mmio_region(struct kvm_vcpu vcpu, struct vgic_io_device iodev,
		gpa_t addr, int len);
		struct vgic_irq vgic_get_irq(struct kvm kvm, struct kvm_vcpu *vcpu,
		u32 intid);
		void __vgic_put_lpi_locked(struct kvm kvm, struct vgic_irq irq);
		void vgic_put_irq(struct kvm kvm, struct vgic_irq irq);
		bool vgic_get_phys_line_level(struct vgic_irq *irq);
		void vgic_irq_set_phys_pending(struct vgic_irq *irq, bool pending);