From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoffer Dall Subject: Re: [PATCH v3 47/59] KVM: arm/arm64: GICv4: Propagate property updates to VLPIs Date: Mon, 28 Aug 2017 20:18:32 +0200 Message-ID: <20170828181832.GH24649@cbox> References: <20170731172637.29355-1-marc.zyngier@arm.com> <20170731172637.29355-48-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 0BF4140D8B for ; Mon, 28 Aug 2017 14:16:28 -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 8f4eo2voXDpX for ; Mon, 28 Aug 2017 14:16:27 -0400 (EDT) Received: from mail-wm0-f50.google.com (mail-wm0-f50.google.com [74.125.82.50]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 341204104E for ; Mon, 28 Aug 2017 14:16:27 -0400 (EDT) Received: by mail-wm0-f50.google.com with SMTP id f13so14740340wme.1 for ; Mon, 28 Aug 2017 11:18:35 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20170731172637.29355-48-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 06:26:25PM +0100, Marc Zyngier wrote: > Upon updating a property, we propagate it all the way to the physical > ITS, and ask for an INV command to be executed there. > > Signed-off-by: Marc Zyngier Acked-by: Christoffer Dall > --- > virt/kvm/arm/vgic/vgic-its.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c > index 65cc77fde609..9e46081e5f15 100644 > --- a/virt/kvm/arm/vgic/vgic-its.c > +++ b/virt/kvm/arm/vgic/vgic-its.c > @@ -297,6 +297,9 @@ static int update_lpi_config(struct kvm *kvm, struct vgic_irq *irq, > spin_unlock(&irq->irq_lock); > } > > + if (irq->hw) > + return its_prop_update_vlpi(irq->host_irq, prop, true); > + > return 0; > } > > -- > 2.11.0 > From mboxrd@z Thu Jan 1 00:00:00 1970 From: cdall@linaro.org (Christoffer Dall) Date: Mon, 28 Aug 2017 20:18:32 +0200 Subject: [PATCH v3 47/59] KVM: arm/arm64: GICv4: Propagate property updates to VLPIs In-Reply-To: <20170731172637.29355-48-marc.zyngier@arm.com> References: <20170731172637.29355-1-marc.zyngier@arm.com> <20170731172637.29355-48-marc.zyngier@arm.com> Message-ID: <20170828181832.GH24649@cbox> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Jul 31, 2017 at 06:26:25PM +0100, Marc Zyngier wrote: > Upon updating a property, we propagate it all the way to the physical > ITS, and ask for an INV command to be executed there. > > Signed-off-by: Marc Zyngier Acked-by: Christoffer Dall > --- > virt/kvm/arm/vgic/vgic-its.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c > index 65cc77fde609..9e46081e5f15 100644 > --- a/virt/kvm/arm/vgic/vgic-its.c > +++ b/virt/kvm/arm/vgic/vgic-its.c > @@ -297,6 +297,9 @@ static int update_lpi_config(struct kvm *kvm, struct vgic_irq *irq, > spin_unlock(&irq->irq_lock); > } > > + if (irq->hw) > + return its_prop_update_vlpi(irq->host_irq, prop, true); > + > return 0; > } > > -- > 2.11.0 > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751769AbdH1SSk (ORCPT ); Mon, 28 Aug 2017 14:18:40 -0400 Received: from mail-wm0-f52.google.com ([74.125.82.52]:34238 "EHLO mail-wm0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751717AbdH1SSg (ORCPT ); Mon, 28 Aug 2017 14:18:36 -0400 Date: Mon, 28 Aug 2017 20:18:32 +0200 From: Christoffer Dall To: Marc Zyngier Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, Christoffer Dall , Thomas Gleixner , Jason Cooper , Eric Auger , Shanker Donthineni , Mark Rutland , Shameerali Kolothum Thodi Subject: Re: [PATCH v3 47/59] KVM: arm/arm64: GICv4: Propagate property updates to VLPIs Message-ID: <20170828181832.GH24649@cbox> References: <20170731172637.29355-1-marc.zyngier@arm.com> <20170731172637.29355-48-marc.zyngier@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170731172637.29355-48-marc.zyngier@arm.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 31, 2017 at 06:26:25PM +0100, Marc Zyngier wrote: > Upon updating a property, we propagate it all the way to the physical > ITS, and ask for an INV command to be executed there. > > Signed-off-by: Marc Zyngier Acked-by: Christoffer Dall > --- > virt/kvm/arm/vgic/vgic-its.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c > index 65cc77fde609..9e46081e5f15 100644 > --- a/virt/kvm/arm/vgic/vgic-its.c > +++ b/virt/kvm/arm/vgic/vgic-its.c > @@ -297,6 +297,9 @@ static int update_lpi_config(struct kvm *kvm, struct vgic_irq *irq, > spin_unlock(&irq->irq_lock); > } > > + if (irq->hw) > + return its_prop_update_vlpi(irq->host_irq, prop, true); > + > return 0; > } > > -- > 2.11.0 >