lkml.org 
[lkml]   [2022]   [Sep]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v4 10/21] RDMA/umem: Prepare to dynamic dma-buf locking specification
From
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@collabora.com>

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

> ---
> 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;
> }

\
 
 \ /
  Last update: 2022-09-01 08:55    [W:0.320 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site