On 8/13/24 06:49, Vivek Kasireddy wrote:
> +long virtgpu_dma_buf_import_sgt(struct virtio_gpu_mem_entry **ents,
> + unsigned int *nents,
> + struct virtio_gpu_object *bo,
> + struct dma_buf_attachment *attach)
> +{
> + struct scatterlist *sl;
> + struct sg_table *sgt;
> + long i, ret;
> +
> + dma_resv_assert_held(attach->dmabuf->resv);
> +
> + ret = dma_resv_wait_timeout(attach->dmabuf->resv,
> + DMA_RESV_USAGE_KERNEL,
> + false, MAX_SCHEDULE_TIMEOUT);
Why this wait is needed?
--
Best regards,
Dmitry
