aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/rtmutex_common.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2011-03-18 05:38:53 -0400
committerIngo Molnar <mingo@elte.hu>2011-03-18 05:39:00 -0400
commit8dd8997d2c56c9f248294805e129e1fc69444380 (patch)
tree3b030a04295fc031db98746c4074c2df1ed6a19f /kernel/rtmutex_common.h
parent1eda75c131ea42ec173323b6c34aeed78ae637c1 (diff)
parent016aa2ed1cc9cf704cf76d8df07751b6daa9750f (diff)
Merge branch 'linus' into x86/urgent
Merge reason: Merge upstream commits to avoid conflicts in upcoming patches. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/rtmutex_common.h')
-rw-r--r--kernel/rtmutex_common.h16
1 files changed, 2 insertions, 14 deletions
diff --git a/kernel/rtmutex_common.h b/kernel/rtmutex_common.h
index 97a2f81866af..53a66c85261b 100644
--- a/kernel/rtmutex_common.h
+++ b/kernel/rtmutex_common.h
@@ -91,9 +91,8 @@ task_top_pi_waiter(struct task_struct *p)
91/* 91/*
92 * lock->owner state tracking: 92 * lock->owner state tracking:
93 */ 93 */
94#define RT_MUTEX_OWNER_PENDING 1UL 94#define RT_MUTEX_HAS_WAITERS 1UL
95#define RT_MUTEX_HAS_WAITERS 2UL 95#define RT_MUTEX_OWNER_MASKALL 1UL
96#define RT_MUTEX_OWNER_MASKALL 3UL
97 96
98static inline struct task_struct *rt_mutex_owner(struct rt_mutex *lock) 97static inline struct task_struct *rt_mutex_owner(struct rt_mutex *lock)
99{ 98{
@@ -101,17 +100,6 @@ static inline struct task_struct *rt_mutex_owner(struct rt_mutex *lock)
101 ((unsigned long)lock->owner & ~RT_MUTEX_OWNER_MASKALL); 100 ((unsigned long)lock->owner & ~RT_MUTEX_OWNER_MASKALL);
102} 101}
103 102
104static inline struct task_struct *rt_mutex_real_owner(struct rt_mutex *lock)
105{
106 return (struct task_struct *)
107 ((unsigned long)lock->owner & ~RT_MUTEX_HAS_WAITERS);
108}
109
110static inline unsigned long rt_mutex_owner_pending(struct rt_mutex *lock)
111{
112 return (unsigned long)lock->owner & RT_MUTEX_OWNER_PENDING;
113}
114
115/* 103/*
116 * PI-futex support (proxy locking functions, etc.): 104 * PI-futex support (proxy locking functions, etc.):
117 */ 105 */