Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752657AbdGaRea (ORCPT ); Mon, 31 Jul 2017 13:34:30 -0400 Received: from foss.arm.com ([217.140.101.70]:56760 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752341AbdGaR2T (ORCPT ); Mon, 31 Jul 2017 13:28:19 -0400 From: Marc Zyngier To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Cc: Christoffer Dall , Thomas Gleixner , Jason Cooper , Eric Auger , Shanker Donthineni , Mark Rutland , Shameerali Kolothum Thodi Subject: [PATCH v3 42/59] KVM: arm/arm64: GICv4: Handle INT command applied to a VLPI Date: Mon, 31 Jul 2017 18:26:20 +0100 Message-Id: <20170731172637.29355-43-marc.zyngier@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170731172637.29355-1-marc.zyngier@arm.com> References: <20170731172637.29355-1-marc.zyngier@arm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 890 Lines: 29 If the guest issues an INT command targetting a VLPI, let's call into the irq_set_irqchip_state() helper to make it pending on the physical side. This works just as well if userspace decides to inject an interrupt using the normal userspace API... 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 a2217f53bbe5..40aeadef33fe 100644 --- a/virt/kvm/arm/vgic/vgic-its.c +++ b/virt/kvm/arm/vgic/vgic-its.c @@ -573,6 +573,10 @@ static int vgic_its_trigger_msi(struct kvm *kvm, struct vgic_its *its, if (err) return err; + if (irq->hw) + return irq_set_irqchip_state(irq->host_irq, + IRQCHIP_STATE_PENDING, true); + spin_lock(&irq->irq_lock); irq->pending_latch = true; vgic_queue_irq_unlock(kvm, irq); -- 2.11.0