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authorYong Zhang <yong.zhang0@gmail.com>2012-04-16 03:01:55 -0400
committerIngo Molnar <mingo@kernel.org>2013-02-19 02:43:35 -0500
commit9fb1b90ce0a847a8cc9492a6c1f347b5be1f33ff (patch)
treeeb877b655afd1cf303677edadb41086c798030fd /lib
parent6617feca15c68aad12f4a1edd8d8e2ef8d5b4ae5 (diff)
lockdep: Selftest: convert spinlock to raw spinlock
To make the lockdep selftest working on RT we need to convert the spinlock tests to a raw spinlock. Otherwise we cannot run the irq context checks. For mainline this is just annotational as spinlocks are mapped to raw_spinlocks anyway. Signed-off-by: Yong Zhang <yong.zhang0@gmail.com> Link: http://lkml.kernel.org/r/1334559716-18447-2-git-send-email-yong.zhang0@gmail.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'lib')
-rw-r--r--lib/locking-selftest.c34
1 files changed, 17 insertions, 17 deletions
diff --git a/lib/locking-selftest.c b/lib/locking-selftest.c
index 7aae0f2a5e0a..c3eb261a7df3 100644
--- a/lib/locking-selftest.c
+++ b/lib/locking-selftest.c
@@ -47,10 +47,10 @@ __setup("debug_locks_verbose=", setup_debug_locks_verbose);
47 * Normal standalone locks, for the circular and irq-context 47 * Normal standalone locks, for the circular and irq-context
48 * dependency tests: 48 * dependency tests:
49 */ 49 */
50static DEFINE_SPINLOCK(lock_A); 50static DEFINE_RAW_SPINLOCK(lock_A);
51static DEFINE_SPINLOCK(lock_B); 51static DEFINE_RAW_SPINLOCK(lock_B);
52static DEFINE_SPINLOCK(lock_C); 52static DEFINE_RAW_SPINLOCK(lock_C);
53static DEFINE_SPINLOCK(lock_D); 53static DEFINE_RAW_SPINLOCK(lock_D);
54 54
55static DEFINE_RWLOCK(rwlock_A); 55static DEFINE_RWLOCK(rwlock_A);
56static DEFINE_RWLOCK(rwlock_B); 56static DEFINE_RWLOCK(rwlock_B);
@@ -73,12 +73,12 @@ static DECLARE_RWSEM(rwsem_D);
73 * but X* and Y* are different classes. We do this so that 73 * but X* and Y* are different classes. We do this so that
74 * we do not trigger a real lockup: 74 * we do not trigger a real lockup:
75 */ 75 */
76static DEFINE_SPINLOCK(lock_X1); 76static DEFINE_RAW_SPINLOCK(lock_X1);
77static DEFINE_SPINLOCK(lock_X2); 77static DEFINE_RAW_SPINLOCK(lock_X2);
78static DEFINE_SPINLOCK(lock_Y1); 78static DEFINE_RAW_SPINLOCK(lock_Y1);
79static DEFINE_SPINLOCK(lock_Y2); 79static DEFINE_RAW_SPINLOCK(lock_Y2);
80static DEFINE_SPINLOCK(lock_Z1); 80static DEFINE_RAW_SPINLOCK(lock_Z1);
81static DEFINE_SPINLOCK(lock_Z2); 81static DEFINE_RAW_SPINLOCK(lock_Z2);
82 82
83static DEFINE_RWLOCK(rwlock_X1); 83static DEFINE_RWLOCK(rwlock_X1);
84static DEFINE_RWLOCK(rwlock_X2); 84static DEFINE_RWLOCK(rwlock_X2);
@@ -107,10 +107,10 @@ static DECLARE_RWSEM(rwsem_Z2);
107 */ 107 */
108#define INIT_CLASS_FUNC(class) \ 108#define INIT_CLASS_FUNC(class) \
109static noinline void \ 109static noinline void \
110init_class_##class(spinlock_t *lock, rwlock_t *rwlock, struct mutex *mutex, \ 110init_class_##class(raw_spinlock_t *lock, rwlock_t *rwlock, \
111 struct rw_semaphore *rwsem) \ 111 struct mutex *mutex, struct rw_semaphore *rwsem)\
112{ \ 112{ \
113 spin_lock_init(lock); \ 113 raw_spin_lock_init(lock); \
114 rwlock_init(rwlock); \ 114 rwlock_init(rwlock); \
115 mutex_init(mutex); \ 115 mutex_init(mutex); \
116 init_rwsem(rwsem); \ 116 init_rwsem(rwsem); \
@@ -168,10 +168,10 @@ static void init_shared_classes(void)
168 * Shortcuts for lock/unlock API variants, to keep 168 * Shortcuts for lock/unlock API variants, to keep
169 * the testcases compact: 169 * the testcases compact:
170 */ 170 */
171#define L(x) spin_lock(&lock_##x) 171#define L(x) raw_spin_lock(&lock_##x)
172#define U(x) spin_unlock(&lock_##x) 172#define U(x) raw_spin_unlock(&lock_##x)
173#define LU(x) L(x); U(x) 173#define LU(x) L(x); U(x)
174#define SI(x) spin_lock_init(&lock_##x) 174#define SI(x) raw_spin_lock_init(&lock_##x)
175 175
176#define WL(x) write_lock(&rwlock_##x) 176#define WL(x) write_lock(&rwlock_##x)
177#define WU(x) write_unlock(&rwlock_##x) 177#define WU(x) write_unlock(&rwlock_##x)
@@ -911,7 +911,7 @@ GENERATE_PERMUTATIONS_3_EVENTS(irq_read_recursion_soft)
911 911
912#define I2(x) \ 912#define I2(x) \
913 do { \ 913 do { \
914 spin_lock_init(&lock_##x); \ 914 raw_spin_lock_init(&lock_##x); \
915 rwlock_init(&rwlock_##x); \ 915 rwlock_init(&rwlock_##x); \
916 mutex_init(&mutex_##x); \ 916 mutex_init(&mutex_##x); \
917 init_rwsem(&rwsem_##x); \ 917 init_rwsem(&rwsem_##x); \