linux-kernel - [tip:x86/asmlinkage] asmlinkage, mutex: Mark _

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Date:	Thu, 13 Feb 2014 19:58:55 -0800
From:	tip-bot for Andi Kleen <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	ak@...ux.intel.com, tglx@...utronix.de, hpa@...ux.intel.com
Subject: [tip:x86/asmlinkage] asmlinkage, mutex: Mark __visible

Commit-ID:  22d9fd3411c693ccae5f5c2280fb1f9bb106ad4f
Gitweb:     http://git.kernel.org/tip/22d9fd3411c693ccae5f5c2280fb1f9bb106ad4f
Author:     Andi Kleen <ak@...ux.intel.com>
AuthorDate: Sat, 8 Feb 2014 08:52:03 +0100
Committer:  H. Peter Anvin <hpa@...ux.intel.com>
CommitDate: Thu, 13 Feb 2014 18:13:19 -0800

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@...nel.org>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
Link: http://lkml.kernel.org/r/1391845930-28580-7-git-send-email-ak@linux.intel.com
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
---
 kernel/locking/mutex.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index 4dd6e4c..adbc0d0 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -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);
--
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