On Thu, Oct 15, 2020 at 03:02:45PM -0700, Jianxin Xiong wrote:
> +static void ib_umem_dmabuf_invalidate_cb(struct dma_buf_attachment *attach)
> +{
> + struct ib_umem_dmabuf *umem_dmabuf = attach->importer_priv;
> +
> + dma_resv_assert_held(umem_dmabuf->attach->dmabuf->resv);
> +
> + ib_umem_dmabuf_unmap_pages(&umem_dmabuf->umem, true);
> + queue_work(ib_wq, &umem_dmabuf->work);
Do we really want to queue remapping or should it wait until there is
a page fault?
What do GPUs do?
Jason
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