diff options
Diffstat (limited to 'drivers/infiniband/hw/hfi1/user_exp_rcv.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/user_exp_rcv.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.c b/drivers/infiniband/hw/hfi1/user_exp_rcv.c index f81ca20f4b69..b94fc7fd75a9 100644 --- a/drivers/infiniband/hw/hfi1/user_exp_rcv.c +++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.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 @@ -173,15 +174,18 @@ static void unpin_rcv_pages(struct hfi1_filedata *fd, { struct page **pages; struct hfi1_devdata *dd = fd->uctxt->dd; + struct mm_struct *mm; if (mapped) { pci_unmap_single(dd->pcidev, node->dma_addr, node->npages * PAGE_SIZE, PCI_DMA_FROMDEVICE); pages = &node->pages[idx]; + mm = mm_from_tid_node(node); } else { pages = &tidbuf->pages[idx]; + mm = current->mm; } - hfi1_release_user_pages(fd->mm, pages, npages, mapped); + hfi1_release_user_pages(mm, pages, npages, mapped); fd->tid_n_pinned -= npages; } @@ -216,12 +220,12 @@ static int pin_rcv_pages(struct hfi1_filedata *fd, struct tid_user_buf *tidbuf) * pages, accept the amount pinned so far and program only that. * User space knows how to deal with partially programmed buffers. */ - if (!hfi1_can_pin_pages(dd, fd->mm, fd->tid_n_pinned, npages)) { + if (!hfi1_can_pin_pages(dd, current->mm, fd->tid_n_pinned, npages)) { kfree(pages); return -ENOMEM; } - pinned = hfi1_acquire_user_pages(fd->mm, vaddr, npages, true, pages); + pinned = hfi1_acquire_user_pages(current->mm, vaddr, npages, true, pages); if (pinned <= 0) { kfree(pages); return pinned; @@ -756,7 +760,7 @@ static int set_rcvarray_entry(struct hfi1_filedata *fd, if (fd->use_mn) { ret = mmu_interval_notifier_insert( - &node->notifier, fd->mm, + &node->notifier, current->mm, tbuf->vaddr + (pageidx * PAGE_SIZE), npages * PAGE_SIZE, &tid_mn_ops); if (ret) |