diff options
Diffstat (limited to 'drivers/infiniband/hw/hfi1/user_sdma.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/user_sdma.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c index a92346e88628..4a4956f96a7e 100644 --- a/drivers/infiniband/hw/hfi1/user_sdma.c +++ b/drivers/infiniband/hw/hfi1/user_sdma.c @@ -1,4 +1,5 @@ /* + * Copyright(c) 2020 - Cornelis Networks, Inc. * Copyright(c) 2015 - 2018 Intel Corporation. * * This file is provided under a dual BSD/GPLv2 license. When using or @@ -188,7 +189,6 @@ int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt, atomic_set(&pq->n_reqs, 0); init_waitqueue_head(&pq->wait); atomic_set(&pq->n_locked, 0); - pq->mm = fd->mm; iowait_init(&pq->busy, 0, NULL, NULL, defer_packet_queue, activate_packet_queue, NULL, NULL); @@ -230,7 +230,7 @@ int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt, cq->nentries = hfi1_sdma_comp_ring_size; - ret = hfi1_mmu_rb_register(pq, pq->mm, &sdma_rb_ops, dd->pport->hfi1_wq, + ret = hfi1_mmu_rb_register(pq, &sdma_rb_ops, dd->pport->hfi1_wq, &pq->handler); if (ret) { dd_dev_err(dd, "Failed to register with MMU %d", ret); @@ -980,13 +980,13 @@ static int pin_sdma_pages(struct user_sdma_request *req, npages -= node->npages; retry: - if (!hfi1_can_pin_pages(pq->dd, pq->mm, + if (!hfi1_can_pin_pages(pq->dd, current->mm, atomic_read(&pq->n_locked), npages)) { cleared = sdma_cache_evict(pq, npages); if (cleared >= npages) goto retry; } - pinned = hfi1_acquire_user_pages(pq->mm, + pinned = hfi1_acquire_user_pages(current->mm, ((unsigned long)iovec->iov.iov_base + (node->npages * PAGE_SIZE)), npages, 0, pages + node->npages); @@ -995,7 +995,7 @@ retry: return pinned; } if (pinned != npages) { - unpin_vector_pages(pq->mm, pages, node->npages, pinned); + unpin_vector_pages(current->mm, pages, node->npages, pinned); return -EFAULT; } kfree(node->pages); @@ -1008,7 +1008,8 @@ retry: static void unpin_sdma_pages(struct sdma_mmu_node *node) { if (node->npages) { - unpin_vector_pages(node->pq->mm, node->pages, 0, node->npages); + unpin_vector_pages(mm_from_sdma_node(node), node->pages, 0, + node->npages); atomic_sub(node->npages, &node->pq->n_locked); } } |