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Commit 22d9fd34 authored by Andi Kleen's avatar Andi Kleen Committed by H. Peter Anvin
Browse files

asmlinkage, mutex: Mark __visible 



Various kernel/mutex.c functions can be called from
inline assembler, so they should be all global and
__visible.

Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: default avatarAndi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1391845930-28580-7-git-send-email-ak@linux.intel.com


Signed-off-by: default avatarH. Peter Anvin <hpa@linux.intel.com>
parent b35f8305

kernel/locking/mutex.c

+5 −5
Original line number Diff line number Diff line
@@ -67,8 +67,7 @@ EXPORT_SYMBOL(__mutex_init); 
 * We also put the fastpath first in the kernel image, to make sure the

 * branch is predicted by the CPU as default-untaken.

 */

static __used noinline void __sched

__mutex_lock_slowpath(atomic_t *lock_count);

__visible void __sched __mutex_lock_slowpath(atomic_t *lock_count);



/**

 * mutex_lock - acquire the mutex
@@ -225,7 +224,8 @@ static inline int mutex_can_spin_on_owner(struct mutex *lock) 
}

#endif



static __used noinline void __sched __mutex_unlock_slowpath(atomic_t *lock_count);

__visible __used noinline

void __sched __mutex_unlock_slowpath(atomic_t *lock_count);



/**

 * mutex_unlock - release the mutex
@@ -746,7 +746,7 @@ __mutex_unlock_common_slowpath(atomic_t *lock_count, int nested) 
/*

 * Release the lock, slowpath:

 */

static __used noinline void

__visible void

__mutex_unlock_slowpath(atomic_t *lock_count)

{

	__mutex_unlock_common_slowpath(lock_count, 1);
@@ -803,7 +803,7 @@ int __sched mutex_lock_killable(struct mutex *lock) 
}

EXPORT_SYMBOL(mutex_lock_killable);



static __used noinline void __sched

__visible void __sched

__mutex_lock_slowpath(atomic_t *lock_count)

{

	struct mutex *lock = container_of(lock_count, struct mutex, count);