Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932758AbcLGSxE (ORCPT ); Wed, 7 Dec 2016 13:53:04 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:54270 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753129AbcLGSxC (ORCPT ); Wed, 7 Dec 2016 13:53:02 -0500 DMARC-Filter: OpenDMARC Filter v1.3.1 smtp.codeaurora.org 1E3D5611D1 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=pass smtp.mailfrom=shankerd@codeaurora.org Reply-To: shankerd@codeaurora.org Subject: Re: [RFC v3 00/10] KVM PCIe/MSI passthrough on ARM/ARM64 and IOVA reserved regions References: <1479215363-2898-1-git-send-email-eric.auger@redhat.com> <6c9012fd-070b-6218-48e7-69b37f2559dd@redhat.com> <20161130103713.GB2724@arm.com> <1899e46c-7b06-01d6-6cff-eb0985a4f11d@redhat.com> To: Auger Eric , Will Deacon Cc: drjones@redhat.com, alex.williamson@redhat.com, jason@lakedaemon.net, kvm@vger.kernel.org, marc.zyngier@arm.com, joro@8bytes.org, punit.agrawal@arm.com, linux-kernel@vger.kernel.org, diana.craciun@nxp.com, iommu@lists.linux-foundation.org, pranav.sawargaonkar@gmail.com, christoffer.dall@linaro.org, tglx@linutronix.de, robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org, eric.auger.pro@gmail.com From: Shanker Donthineni Message-ID: <165d4f72-ef74-2db8-166a-1f90208315c8@codeaurora.org> Date: Wed, 7 Dec 2016 12:52:57 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: <1899e46c-7b06-01d6-6cff-eb0985a4f11d@redhat.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 647 Lines: 14 Hi Eric, Is there any reason why you are not supporting SMMUv3 driver? Qualcomm hardware doesn't not support SMMUv2 hardware, please add support for SMMUv3 in next patch set. I've ported ' RFC,v3,09/10] iommu/arm-smmu: Implement reserved region get/put callbacks' to SMMUv3 driver and tested device-pass-through feature on Qualcomm server platform without any issue. Tested-by: Shanker Donthineni -- Shanker Donthineni Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.