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authorIngo Molnar <mingo@kernel.org>2014-05-07 07:15:46 -0400
committerIngo Molnar <mingo@kernel.org>2014-05-07 07:15:46 -0400
commit2fe5de9ce7d57498abc14b375cad2fcf8c3ee6cc (patch)
tree9478e8cf470c1d5bdb2d89b57a7e35919ab95e72 /kernel/locking
parent08f8aeb55d7727d644dbbbbfb798fe937d47751d (diff)
parent2b4cfe64dee0d84506b951d81bf55d9891744d25 (diff)
Merge branch 'sched/urgent' into sched/core, to avoid conflicts
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/locking')
-rw-r--r--kernel/locking/Makefile3
-rw-r--r--kernel/locking/mutex-debug.c19
2 files changed, 11 insertions, 11 deletions
diff --git a/kernel/locking/Makefile b/kernel/locking/Makefile
index 306a76b51e0f..b8bdcd4785b7 100644
--- a/kernel/locking/Makefile
+++ b/kernel/locking/Makefile
@@ -1,5 +1,5 @@
1 1
2obj-y += mutex.o semaphore.o rwsem.o lglock.o mcs_spinlock.o 2obj-y += mutex.o semaphore.o rwsem.o mcs_spinlock.o
3 3
4ifdef CONFIG_FUNCTION_TRACER 4ifdef CONFIG_FUNCTION_TRACER
5CFLAGS_REMOVE_lockdep.o = -pg 5CFLAGS_REMOVE_lockdep.o = -pg
@@ -14,6 +14,7 @@ ifeq ($(CONFIG_PROC_FS),y)
14obj-$(CONFIG_LOCKDEP) += lockdep_proc.o 14obj-$(CONFIG_LOCKDEP) += lockdep_proc.o
15endif 15endif
16obj-$(CONFIG_SMP) += spinlock.o 16obj-$(CONFIG_SMP) += spinlock.o
17obj-$(CONFIG_SMP) += lglock.o
17obj-$(CONFIG_PROVE_LOCKING) += spinlock.o 18obj-$(CONFIG_PROVE_LOCKING) += spinlock.o
18obj-$(CONFIG_RT_MUTEXES) += rtmutex.o 19obj-$(CONFIG_RT_MUTEXES) += rtmutex.o
19obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o 20obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o
diff --git a/kernel/locking/mutex-debug.c b/kernel/locking/mutex-debug.c
index e1191c996c59..5cf6731b98e9 100644
--- a/kernel/locking/mutex-debug.c
+++ b/kernel/locking/mutex-debug.c
@@ -71,18 +71,17 @@ void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
71 71
72void debug_mutex_unlock(struct mutex *lock) 72void debug_mutex_unlock(struct mutex *lock)
73{ 73{
74 if (unlikely(!debug_locks)) 74 if (likely(debug_locks)) {
75 return; 75 DEBUG_LOCKS_WARN_ON(lock->magic != lock);
76 76
77 DEBUG_LOCKS_WARN_ON(lock->magic != lock); 77 if (!lock->owner)
78 DEBUG_LOCKS_WARN_ON(!lock->owner);
79 else
80 DEBUG_LOCKS_WARN_ON(lock->owner != current);
78 81
79 if (!lock->owner) 82 DEBUG_LOCKS_WARN_ON(!lock->wait_list.prev && !lock->wait_list.next);
80 DEBUG_LOCKS_WARN_ON(!lock->owner); 83 mutex_clear_owner(lock);
81 else 84 }
82 DEBUG_LOCKS_WARN_ON(lock->owner != current);
83
84 DEBUG_LOCKS_WARN_ON(!lock->wait_list.prev && !lock->wait_list.next);
85 mutex_clear_owner(lock);
86 85
87 /* 86 /*
88 * __mutex_slowpath_needs_to_unlock() is explicitly 0 for debug 87 * __mutex_slowpath_needs_to_unlock() is explicitly 0 for debug