From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoffer Dall Subject: Re: [PATCH v3 45/59] KVM: arm/arm64: GICv4: Handle CLEAR applied to a VLPI Date: Mon, 28 Aug 2017 20:18:22 +0200 Message-ID: <20170828181822.GF24649@cbox> References: <20170731172637.29355-1-marc.zyngier@arm.com> <20170731172637.29355-46-marc.zyngier@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id AF4A849C41 for ; Mon, 28 Aug 2017 14:16:17 -0400 (EDT) Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id X8dAZA5iPH7p for ; Mon, 28 Aug 2017 14:16:17 -0400 (EDT) Received: from mail-wm0-f54.google.com (mail-wm0-f54.google.com [74.125.82.54]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id D887E49C2D for ; Mon, 28 Aug 2017 14:16:16 -0400 (EDT) Received: by mail-wm0-f54.google.com with SMTP id y71so8033240wmd.0 for ; Mon, 28 Aug 2017 11:18:25 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20170731172637.29355-46-marc.zyngier@arm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu To: Marc Zyngier Cc: Jason Cooper , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Thomas Gleixner , kvmarm@lists.cs.columbia.edu List-Id: kvmarm@lists.cs.columbia.edu On Mon, Jul 31, 2017 at 06:26:23PM +0100, Marc Zyngier wrote: > 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). > > Signed-off-by: Marc Zyngier Acked-by: Christoffer Dall > --- > 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 aaad577ce328..2c065c970ba0 100644 > --- a/virt/kvm/arm/vgic/vgic-its.c > +++ b/virt/kvm/arm/vgic/vgic-its.c > @@ -1069,6 +1069,10 @@ 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; > } > > -- > 2.11.0 >