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| author | Andi Kleen <ak@linux.intel.com> | 2014-02-08 08:52:05 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-02-14 03:13:37 +0100 |
| commit | 3ebae4f3a2e746ae17f25c741e249294e7d6d7c2 (patch) | |
| tree | d8b59e5fc6f26f6f5e44f85365827aefbd18973a /kernel/locking | |
| parent | asmlinkage: Make main_extable_sort_needed visible (diff) | |
| download | linux-3ebae4f3a2e746ae17f25c741e249294e7d6d7c2.tar.xz linux-3ebae4f3a2e746ae17f25c741e249294e7d6d7c2.zip | |
asmlinkage: Mark rwsem functions that can be called from assembler asmlinkage
Mark the rwsem functions that can be called from assembler asmlinkage.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1391845930-28580-9-git-send-email-ak@linux.intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'kernel/locking')
| -rw-r--r-- | kernel/locking/rwsem-xadd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c index 19c5fa95e0b4..1d66e08e897d 100644 --- a/kernel/locking/rwsem-xadd.c +++ b/kernel/locking/rwsem-xadd.c @@ -143,6 +143,7 @@ __rwsem_do_wake(struct rw_semaphore *sem, enum rwsem_wake_type wake_type) /* * wait for the read lock to be granted */ +__visible struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem) { long count, adjustment = -RWSEM_ACTIVE_READ_BIAS; @@ -190,6 +191,7 @@ struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem) /* * wait until we successfully acquire the write lock */ +__visible struct rw_semaphore __sched *rwsem_down_write_failed(struct rw_semaphore *sem) { long count, adjustment = -RWSEM_ACTIVE_WRITE_BIAS; @@ -252,6 +254,7 @@ struct rw_semaphore __sched *rwsem_down_write_failed(struct rw_semaphore *sem) * handle waking up a waiter on the semaphore * - up_read/up_write has decremented the active part of count if we come here */ +__visible struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem) { unsigned long flags; @@ -272,6 +275,7 @@ struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem) * - caller incremented waiting part of count and discovered it still negative * - just wake up any readers at the front of the queue */ +__visible struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem) { unsigned long flags; |