From f30bceab16d1d6a97cbe262623e25ed2873896f0 Mon Sep 17 00:00:00 2001 From: Christian König Date: Wed, 22 Sep 2021 13:01:04 +0200 Subject: RDMA: use dma_resv_wait() instead of extracting the fence MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Use dma_resv_wait() instead of extracting the exclusive fence and waiting on it manually. Signed-off-by: Christian König Reviewed-by: Daniel Vetter Acked-by: Jason Gunthorpe Cc: Jason Gunthorpe Cc: Leon Romanovsky Cc: Maor Gottlieb Cc: Gal Pressman Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Link: https://patchwork.freedesktop.org/patch/msgid/20220321135856.1331-4-christian.koenig@amd.com --- drivers/infiniband/core/umem_dmabuf.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) (limited to 'drivers/infiniband/core') diff --git a/drivers/infiniband/core/umem_dmabuf.c b/drivers/infiniband/core/umem_dmabuf.c index f0760741f281..d32cd7538835 100644 --- a/drivers/infiniband/core/umem_dmabuf.c +++ b/drivers/infiniband/core/umem_dmabuf.c @@ -16,7 +16,6 @@ int ib_umem_dmabuf_map_pages(struct ib_umem_dmabuf *umem_dmabuf) { struct sg_table *sgt; struct scatterlist *sg; - struct dma_fence *fence; unsigned long start, end, cur = 0; unsigned int nmap = 0; int i; @@ -68,11 +67,8 @@ wait_fence: * may be not up-to-date. Wait for the exporter to finish * the migration. */ - fence = dma_resv_excl_fence(umem_dmabuf->attach->dmabuf->resv); - if (fence) - return dma_fence_wait(fence, false); - - return 0; + return dma_resv_wait_timeout(umem_dmabuf->attach->dmabuf->resv, false, + false, MAX_SCHEDULE_TIMEOUT); } EXPORT_SYMBOL(ib_umem_dmabuf_map_pages); -- cgit v1.2.3