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| author | Lance Roy <ldr709@gmail.com> | 2018-10-04 23:45:44 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.ibm.com> | 2018-11-12 09:06:22 -0800 |
| commit | 456a737896b25e4853bbf3d6ca5a1c8ee4df4ee9 (patch) | |
| tree | 3927484a6afcb884753131e916e2c6f5160191f7 /fs/userfaultfd.c | |
| parent | 97eeebea894283c290ead6694b76f575e7654773 (diff) | |
| download | linux-stable-456a737896b25e4853bbf3d6ca5a1c8ee4df4ee9.tar.gz linux-stable-456a737896b25e4853bbf3d6ca5a1c8ee4df4ee9.tar.bz2 linux-stable-456a737896b25e4853bbf3d6ca5a1c8ee4df4ee9.zip | |
userfaultfd: Replace spin_is_locked() with lockdep
lockdep_assert_held() is better suited to checking locking requirements,
since it only checks if the current thread holds the lock regardless of
whether someone else does. This is also a step towards possibly removing
spin_is_locked().
Signed-off-by: Lance Roy <ldr709@gmail.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: <linux-fsdevel@vger.kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Diffstat (limited to 'fs/userfaultfd.c')
| -rw-r--r-- | fs/userfaultfd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index 356d2b8568c1..681881dc8a9d 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -926,7 +926,7 @@ static inline struct userfaultfd_wait_queue *find_userfault_in( wait_queue_entry_t *wq; struct userfaultfd_wait_queue *uwq; - VM_BUG_ON(!spin_is_locked(&wqh->lock)); + lockdep_assert_held(&wqh->lock); uwq = NULL; if (!waitqueue_active(wqh)) |