From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966953AbdAJL5j (ORCPT ); Tue, 10 Jan 2017 06:57:39 -0500 Received: from foss.arm.com ([217.140.101.70]:50304 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762546AbdAJL5g (ORCPT ); Tue, 10 Jan 2017 06:57:36 -0500 Subject: Re: [PATCH v7 16/19] irqchip/gicv3-its: Sets IRQ_DOMAIN_FLAG_MSI_REMAP To: Eric Auger , eric.auger.pro@gmail.com, christoffer.dall@linaro.org, robin.murphy@arm.com, alex.williamson@redhat.com, will.deacon@arm.com, joro@8bytes.org, tglx@linutronix.de, jason@lakedaemon.net, linux-arm-kernel@lists.infradead.org References: <1483969570-3154-1-git-send-email-eric.auger@redhat.com> <1483969570-3154-17-git-send-email-eric.auger@redhat.com> Cc: kvm@vger.kernel.org, drjones@redhat.com, linux-kernel@vger.kernel.org, pranav.sawargaonkar@gmail.com, iommu@lists.linux-foundation.org, punit.agrawal@arm.com, diana.craciun@nxp.com, gpkulkarni@gmail.com, shankerd@codeaurora.org, bharat.bhushan@nxp.com, geethasowjanya.akula@gmail.com From: Marc Zyngier Organization: ARM Ltd Message-ID: <7eb4fde8-93fd-3046-a261-06c62a14c8da@arm.com> Date: Tue, 10 Jan 2017 11:57:17 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Icedove/45.5.1 MIME-Version: 1.0 In-Reply-To: <1483969570-3154-17-git-send-email-eric.auger@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Eric, On 09/01/17 13:46, Eric Auger wrote: > The GICv3 ITS is MSI remapping capable. Let's advertise > this property so that VFIO passthrough can assess IRQ safety. > > Signed-off-by: Eric Auger > --- > drivers/irqchip/irq-gic-v3-its.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c > index 69b040f..9d4fefc 100644 > --- a/drivers/irqchip/irq-gic-v3-its.c > +++ b/drivers/irqchip/irq-gic-v3-its.c > @@ -1642,6 +1642,7 @@ static int its_init_domain(struct fwnode_handle *handle, struct its_node *its) > > inner_domain->parent = its_parent; > inner_domain->bus_token = DOMAIN_BUS_NEXUS; > + inner_domain->flags |= IRQ_DOMAIN_FLAG_MSI_REMAP; > info->ops = &its_msi_domain_ops; > info->data = its; > inner_domain->host_data = info; > For patches 13 to 16, and provided that you address the couple of nits I mentioned in reply to patches 13 and 15: Reviewed-by: Marc Zyngier Thanks, M. -- Jazz is not dead. It just smells funny...