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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>
This commit is contained in:
Andi Kleen 2014-02-08 08:52:05 +01:00 committed by H. Peter Anvin
parent 00b7103078
commit 3ebae4f3a2
1 changed files with 4 additions and 0 deletions
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4
kernel/locking/rwsem-xadd.c
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@ -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 * wait for the read lock to be granted
*/ */
__visible
struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem) struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem)
{ {
long count, adjustment = -RWSEM_ACTIVE_READ_BIAS; 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 * wait until we successfully acquire the write lock
*/ */
__visible
struct rw_semaphore __sched *rwsem_down_write_failed(struct rw_semaphore *sem) struct rw_semaphore __sched *rwsem_down_write_failed(struct rw_semaphore *sem)
{ {
long count, adjustment = -RWSEM_ACTIVE_WRITE_BIAS; 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 * handle waking up a waiter on the semaphore
* - up_read/up_write has decremented the active part of count if we come here * - 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) struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem)
{ {
unsigned long flags; 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 * - caller incremented waiting part of count and discovered it still negative
* - just wake up any readers at the front of the queue * - just wake up any readers at the front of the queue
*/ */
__visible
struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem) struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem)
{ {
unsigned long flags; unsigned long flags;