From: Zhangfei Gao <zhangfei.gao@linaro.org>
To: Jean-Philippe Brucker <jean-philippe@linaro.org>,
joro@8bytes.org, will@kernel.org
Cc: devicetree@vger.kernel.org, lorenzo.pieralisi@arm.com,
Arnd Bergmann <arnd@arndb.de>,
linux-acpi@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
guohanjun@huawei.com, rjw@rjwysocki.net,
shameerali.kolothum.thodi@huawei.com, eric.auger@redhat.com,
iommu@lists.linux-foundation.org, robh+dt@kernel.org,
linux-accelerators@lists.ozlabs.org, Jonathan.Cameron@huawei.com,
sudeep.holla@arm.com, vivek.gautam@arm.com,
Zhou Wang <wangzhou1@hisilicon.com>,
baolu.lu@linux.intel.com, robin.murphy@arm.com,
linux-arm-kernel@lists.infradead.org, lenb@kernel.org
Subject: Re: [PATCH v9 05/10] uacce: Enable IOMMU_DEV_FEAT_IOPF
Date: Mon, 11 Jan 2021 11:29:05 +0800 [thread overview]
Message-ID: <2cef454d-d872-d306-ceca-c7ae1dbfea1e@linaro.org> (raw)
In-Reply-To: <20210108145217.2254447-6-jean-philippe@linaro.org>
On 2021/1/8 下午10:52, Jean-Philippe Brucker wrote:
> The IOPF (I/O Page Fault) feature is now enabled independently from the
> SVA feature, because some IOPF implementations are device-specific and
> do not require IOMMU support for PCIe PRI or Arm SMMU stall.
>
> Enable IOPF unconditionally when enabling SVA for now. In the future, if
> a device driver implementing a uacce interface doesn't need IOPF
> support, it will need to tell the uacce module, for example with a new
> flag.
>
> Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
> ---
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Zhangfei Gao <zhangfei.gao@linaro.org>
> Cc: Zhou Wang <wangzhou1@hisilicon.com>
Thanks Jean
Acked-by: Zhangfei Gao <zhangfei.gao@linaro.org>
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next prev parent reply other threads:[~2021-01-11 3:31 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-08 14:52 [PATCH v9 00/10] iommu: I/O page faults for SMMUv3 Jean-Philippe Brucker
2021-01-08 14:52 ` [PATCH v9 01/10] iommu: Remove obsolete comment Jean-Philippe Brucker
2021-01-19 11:11 ` Jonathan Cameron
2021-01-20 17:41 ` Jean-Philippe Brucker
2021-01-08 14:52 ` [PATCH v9 02/10] iommu/arm-smmu-v3: Use device properties for pasid-num-bits Jean-Philippe Brucker
2021-01-19 11:22 ` Jonathan Cameron
2021-01-08 14:52 ` [PATCH v9 03/10] iommu: Separate IOMMU_DEV_FEAT_IOPF from IOMMU_DEV_FEAT_SVA Jean-Philippe Brucker
2021-01-12 4:31 ` Lu Baolu
2021-01-12 9:16 ` Jean-Philippe Brucker
2021-01-13 2:49 ` Lu Baolu
2021-01-13 8:10 ` Tian, Kevin
2021-01-14 16:41 ` Jean-Philippe Brucker
2021-01-16 3:54 ` Lu Baolu
2021-01-18 6:54 ` Tian, Kevin
2021-01-19 10:16 ` Jean-Philippe Brucker
2021-01-20 1:57 ` Lu Baolu
2021-01-08 14:52 ` [PATCH v9 04/10] iommu/vt-d: Support IOMMU_DEV_FEAT_IOPF Jean-Philippe Brucker
2021-01-08 14:52 ` [PATCH v9 05/10] uacce: Enable IOMMU_DEV_FEAT_IOPF Jean-Philippe Brucker
2021-01-11 3:29 ` Zhangfei Gao [this message]
2021-01-19 12:27 ` Jonathan Cameron
2021-01-20 17:42 ` Jean-Philippe Brucker
2021-01-20 20:47 ` Dave Jiang
2021-01-22 11:53 ` Zhou Wang
2021-01-22 15:43 ` Dave Jiang
2021-01-08 14:52 ` [PATCH v9 06/10] iommu: Add a page fault handler Jean-Philippe Brucker
2021-01-19 13:38 ` Jonathan Cameron
2021-01-20 17:43 ` Jean-Philippe Brucker
2021-01-08 14:52 ` [PATCH v9 07/10] iommu/arm-smmu-v3: Maintain a SID->device structure Jean-Philippe Brucker
2021-01-19 13:51 ` Jonathan Cameron
2021-01-08 14:52 ` [PATCH v9 08/10] dt-bindings: document stall property for IOMMU masters Jean-Philippe Brucker
2021-01-08 14:52 ` [PATCH v9 09/10] ACPI/IORT: Enable stall support for platform devices Jean-Philippe Brucker
2021-01-08 14:52 ` [PATCH v9 10/10] iommu/arm-smmu-v3: Add " Jean-Philippe Brucker
2021-01-19 17:28 ` Robin Murphy
2021-01-20 17:55 ` Jean-Philippe Brucker
2021-01-11 3:26 ` [PATCH v9 00/10] iommu: I/O page faults for SMMUv3 Zhangfei Gao
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