[PATCH v9 05/10] uacce: Enable IOMMU_DEV_FEAT_IOPF

Zhangfei Gao zhangfei.gao at linaro.org
Mon Jan 11 14:29:05 AEDT 2021

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 at linaro.org>
> ---
> Cc: Arnd Bergmann <arnd at arndb.de>
> Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
> Cc: Zhangfei Gao <zhangfei.gao at linaro.org>
> Cc: Zhou Wang <wangzhou1 at hisilicon.com>
Thanks Jean
Acked-by: Zhangfei Gao <zhangfei.gao at linaro.org>

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