From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Zyngier Subject: [PATCH v4 13/26] KVM: arm/arm64: GICv4: Handle CLEAR applied to a VLPI Date: Fri, 6 Oct 2017 16:33:48 +0100 Message-ID: <20171006153401.5481-14-marc.zyngier@arm.com> References: <20171006153401.5481-1-marc.zyngier@arm.com> Cc: Christoffer Dall , Eric Auger , Shanker Donthineni , Mark Rutland , Shameerali Kolothum Thodi , Andre Przywara To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Return-path: Received: from foss.arm.com ([217.140.101.70]:35930 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752449AbdJFPed (ORCPT ); Fri, 6 Oct 2017 11:34:33 -0400 In-Reply-To: <20171006153401.5481-1-marc.zyngier@arm.com> Sender: kvm-owner@vger.kernel.org List-ID: Handling CLEAR is pretty easy. Just ask the ITS driver to clear the corresponding pending bit (which will turn into a CLEAR command on the physical side). Acked-by: Christoffer Dall Signed-off-by: Marc Zyngier --- virt/kvm/arm/vgic/vgic-its.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c index 42ffb9084bb7..5778b50911e8 100644 --- a/virt/kvm/arm/vgic/vgic-its.c +++ b/virt/kvm/arm/vgic/vgic-its.c @@ -1070,6 +1070,10 @@ static int vgic_its_cmd_handle_clear(struct kvm *kvm, struct vgic_its *its, ite->irq->pending_latch = false; + if (ite->irq->hw) + return irq_set_irqchip_state(ite->irq->host_irq, + IRQCHIP_STATE_PENDING, false); + return 0; } -- 2.14.1