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| author | David S. Miller <davem@davemloft.net> | 2017-08-07 10:42:09 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-07 10:42:09 -0700 |
| commit | fde6af4729b005dc9dc936b0ed9f1b27b5b2d0f4 (patch) | |
| tree | fb52e170a7b2130b8a5266ac665d4314447fef95 /fs/userfaultfd.c | |
| parent | 71feeef678056a640466a6d1faee3a7bcbbccab9 (diff) | |
| parent | a8ffcc741acb3c7f3dcf4c7d001209aa0995a5f1 (diff) | |
| download | linux-stable-fde6af4729b005dc9dc936b0ed9f1b27b5b2d0f4.tar.gz linux-stable-fde6af4729b005dc9dc936b0ed9f1b27b5b2d0f4.tar.bz2 linux-stable-fde6af4729b005dc9dc936b0ed9f1b27b5b2d0f4.zip | |
Merge tag 'mlx5-shared-2017-08-07' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux
Saeed Mahameed says:
====================
mlx5-shared-2017-08-07
This series includes some mlx5 updates for both net-next and rdma trees.
From Saeed,
Core driver updates to allow selectively building the driver with
or without some large driver components, such as
- E-Switch (Ethernet SRIOV support).
- Multi-Physical Function Switch (MPFs) support.
For that we split E-Switch and MPFs functionalities into separate files.
From Erez,
Delay mlx5_core events when mlx5 interfaces, namely mlx5_ib, registration
is taking place and until it completes.
From Rabie,
Increase the maximum supported flow counters.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/userfaultfd.c')
| -rw-r--r-- | fs/userfaultfd.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index cadcd12a3d35..06ea26b8c996 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -854,6 +854,9 @@ wakeup: __wake_up_locked_key(&ctx->fault_wqh, TASK_NORMAL, &range); spin_unlock(&ctx->fault_pending_wqh.lock); + /* Flush pending events that may still wait on event_wqh */ + wake_up_all(&ctx->event_wqh); + wake_up_poll(&ctx->fd_wqh, POLLHUP); userfaultfd_ctx_put(ctx); return 0; @@ -1643,6 +1646,8 @@ static int userfaultfd_zeropage(struct userfaultfd_ctx *ctx, ret = mfill_zeropage(ctx->mm, uffdio_zeropage.range.start, uffdio_zeropage.range.len); mmput(ctx->mm); + } else { + return -ENOSPC; } if (unlikely(put_user(ret, &user_uffdio_zeropage->zeropage))) return -EFAULT; |