[PATCH v2 1/2] uacce: Remove mm_exit() op
zhangfei.gao at linaro.org
Fri Apr 24 11:05:18 AEST 2020
On 2020/4/23 下午8:53, Jean-Philippe Brucker wrote:
> The mm_exit() op will be removed from the SVA API. When a process dies
> and its mm goes away, the IOMMU driver won't notify device drivers
> anymore. Drivers should expect to handle a lot more aborted DMA. On the
> upside, it does greatly simplify the queue management.
> The uacce_mm struct, that tracks all queues bound to an mm, was only
> used by the mm_exit() callback. Remove it.
> Signed-off-by: Jean-Philippe Brucker <jean-philippe at linaro.org>
Acked-by: Zhangfei Gao <zhangfei.gao at linaro.org>
> v1->v2: clear q->handle after unbind
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