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[82.27.106.168]) by smtp.gmail.com with ESMTPSA id p14-20020a5d48ce000000b0022afbd02c69sm1949060wrs.56.2022.09.21.01.55.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Sep 2022 01:55:06 -0700 (PDT) Date: Wed, 21 Sep 2022 09:55:01 +0100 From: Jean-Philippe Brucker To: Nicolin Chen Cc: joro@8bytes.org, suravee.suthikulpanit@amd.com, will@kernel.org, robin.murphy@arm.com, robdclark@gmail.com, dwmw2@infradead.org, baolu.lu@linux.intel.com, agross@kernel.org, bjorn.andersson@linaro.org, matthias.bgg@gmail.com, orsonzhai@gmail.com, baolin.wang@linux.alibaba.com, zhang.lyra@gmail.com, sricharan@codeaurora.org, jgg@nvidia.com, kevin.tian@intel.com, konrad.dybcio@somainline.org, yong.wu@mediatek.com, thierry.reding@gmail.com, vdumpa@nvidia.com, jonathanh@nvidia.com, tglx@linutronix.de, shameerali.kolothum.thodi@huawei.com, christophe.jaillet@wanadoo.fr, thunder.leizhen@huawei.com, quic_saipraka@quicinc.com, jon@solid-run.com, yangyingliang@huawei.com, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-tegra@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: Re: [PATCH v4 0/6] Define EINVAL as device/domain incompatibility Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220921_015512_482166_93E062FD X-CRM114-Status: GOOD ( 14.30 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Wed, Sep 21, 2022 at 01:22:31AM -0700, Nicolin Chen wrote: > This series is to replace the previous EMEDIUMTYPE patch in a VFIO series: > https://lore.kernel.org/kvm/Yxnt9uQTmbqul5lf@8bytes.org/ > > The purpose is to regulate all existing ->attach_dev callback functions to > use EINVAL exclusively for an incompatibility error between a device and a > domain. This allows VFIO and IOMMUFD to detect such a soft error, and then > try a different domain with the same device. [...] > drivers/iommu/amd/iommu.c | 12 +---- > drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 11 +--- > drivers/iommu/arm/arm-smmu/arm-smmu.c | 3 -- > drivers/iommu/arm/arm-smmu/qcom_iommu.c | 7 +-- > drivers/iommu/fsl_pamu.c | 2 +- > drivers/iommu/fsl_pamu_domain.c | 4 +- > drivers/iommu/intel/iommu.c | 10 ++-- > drivers/iommu/intel/pasid.c | 6 ++- > drivers/iommu/iommu.c | 22 ++++++++ > drivers/iommu/ipmmu-vmsa.c | 2 - > drivers/iommu/msm_iommu.c | 59 +++++++++++---------- > drivers/iommu/mtk_iommu.c | 4 +- > drivers/iommu/omap-iommu.c | 6 +-- > drivers/iommu/sprd-iommu.c | 4 +- > drivers/iommu/tegra-gart.c | 2 +- > drivers/iommu/virtio-iommu.c | 7 ++- For virtio-iommu: Reviewed-by: Jean-Philippe Brucker > include/linux/iommu.h | 12 +++++ > 17 files changed, 90 insertions(+), 83 deletions(-) > > -- > 2.17.1 >