Commit 07b46ed1 authored Oct 27, 2017 by Marc Zyngier Committed by Christoffer Dall Nov 10, 2017

KVM: arm/arm64: GICv4: Unmap VLPI when freeing an LPI



When freeing an LPI (on a DISCARD command, for example), we need
to unmap the VLPI down to the physical ITS level.

Acked-by: Christoffer Dall <cdall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>

parent 1b7fe468

virt/kvm/arm/vgic/vgic-its.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -631,8 +631,12 @@ static void its_free_ite(struct kvm kvm, struct its_ite ite)
		list_del(&ite->ite_list);

		/* This put matches the get in vgic_add_lpi. */
		if (ite->irq)
		if (ite->irq) {
		if (ite->irq->hw)
		WARN_ON(its_unmap_vlpi(ite->irq->host_irq));

		vgic_put_irq(kvm, ite->irq);
		}

		kfree(ite);
		}