Re: [PATCH v4 10/21] RDMA/umem: Prepare to dynamic dma-buf locking specification

[Christian König <christian.koenig@xxxxxxx>]

Am 31.08.22 um 17:37 schrieb Dmitry Osipenko:
> Prepare InfiniBand drivers to the common dynamic dma-buf locking
> convention by starting to use the unlocked versions of dma-buf API
> functions.
>
> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>

Acked-by: Christian König <christian.koenig@xxxxxxx>

> ---
>   drivers/infiniband/core/umem_dmabuf.c | 7 ++++---
>   1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/infiniband/core/umem_dmabuf.c b/drivers/infiniband/core/umem_dmabuf.c
> index 04c04e6d24c3..43b26bc12288 100644
> --- a/drivers/infiniband/core/umem_dmabuf.c
> +++ b/drivers/infiniband/core/umem_dmabuf.c
> @@ -26,7 +26,8 @@ int ib_umem_dmabuf_map_pages(struct ib_umem_dmabuf *umem_dmabuf)
>   	if (umem_dmabuf->sgt)
>   		goto wait_fence;
>   
> -	sgt = dma_buf_map_attachment(umem_dmabuf->attach, DMA_BIDIRECTIONAL);
> +	sgt = dma_buf_map_attachment_unlocked(umem_dmabuf->attach,
> +					      DMA_BIDIRECTIONAL);
>   	if (IS_ERR(sgt))
>   		return PTR_ERR(sgt);
>   
> @@ -102,8 +103,8 @@ void ib_umem_dmabuf_unmap_pages(struct ib_umem_dmabuf *umem_dmabuf)
>   		umem_dmabuf->last_sg_trim = 0;
>   	}
>   
> -	dma_buf_unmap_attachment(umem_dmabuf->attach, umem_dmabuf->sgt,
> -				 DMA_BIDIRECTIONAL);
> +	dma_buf_unmap_attachment_unlocked(umem_dmabuf->attach, umem_dmabuf->sgt,
> +					  DMA_BIDIRECTIONAL);
>   
>   	umem_dmabuf->sgt = NULL;
>   }