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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /kernel/rtmutex_common.h
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
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 */