diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/sched.h | 10 | ||||
| -rw-r--r-- | include/linux/spinlock.h | 6 | ||||
| -rw-r--r-- | include/linux/spinlock_api_smp.h | 75 |
3 files changed, 35 insertions, 56 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 75e6e60bf583..49be8f7c05f6 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h | |||
| @@ -1421,17 +1421,17 @@ struct task_struct { | |||
| 1421 | #endif | 1421 | #endif |
| 1422 | #ifdef CONFIG_TRACE_IRQFLAGS | 1422 | #ifdef CONFIG_TRACE_IRQFLAGS |
| 1423 | unsigned int irq_events; | 1423 | unsigned int irq_events; |
| 1424 | int hardirqs_enabled; | ||
| 1425 | unsigned long hardirq_enable_ip; | 1424 | unsigned long hardirq_enable_ip; |
| 1426 | unsigned int hardirq_enable_event; | ||
| 1427 | unsigned long hardirq_disable_ip; | 1425 | unsigned long hardirq_disable_ip; |
| 1426 | unsigned int hardirq_enable_event; | ||
| 1428 | unsigned int hardirq_disable_event; | 1427 | unsigned int hardirq_disable_event; |
| 1429 | int softirqs_enabled; | 1428 | int hardirqs_enabled; |
| 1429 | int hardirq_context; | ||
| 1430 | unsigned long softirq_disable_ip; | 1430 | unsigned long softirq_disable_ip; |
| 1431 | unsigned int softirq_disable_event; | ||
| 1432 | unsigned long softirq_enable_ip; | 1431 | unsigned long softirq_enable_ip; |
| 1432 | unsigned int softirq_disable_event; | ||
| 1433 | unsigned int softirq_enable_event; | 1433 | unsigned int softirq_enable_event; |
| 1434 | int hardirq_context; | 1434 | int softirqs_enabled; |
| 1435 | int softirq_context; | 1435 | int softirq_context; |
| 1436 | #endif | 1436 | #endif |
| 1437 | #ifdef CONFIG_LOCKDEP | 1437 | #ifdef CONFIG_LOCKDEP |
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index f0ca7a7a1757..71dccfeb0d88 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h | |||
| @@ -79,8 +79,6 @@ | |||
| 79 | */ | 79 | */ |
| 80 | #include <linux/spinlock_types.h> | 80 | #include <linux/spinlock_types.h> |
| 81 | 81 | ||
| 82 | extern int __lockfunc generic__raw_read_trylock(raw_rwlock_t *lock); | ||
| 83 | |||
| 84 | /* | 82 | /* |
| 85 | * Pull the __raw*() functions/declarations (UP-nondebug doesnt need them): | 83 | * Pull the __raw*() functions/declarations (UP-nondebug doesnt need them): |
| 86 | */ | 84 | */ |
| @@ -102,7 +100,7 @@ do { \ | |||
| 102 | 100 | ||
| 103 | #else | 101 | #else |
| 104 | # define spin_lock_init(lock) \ | 102 | # define spin_lock_init(lock) \ |
| 105 | do { *(lock) = SPIN_LOCK_UNLOCKED; } while (0) | 103 | do { *(lock) = __SPIN_LOCK_UNLOCKED(lock); } while (0) |
| 106 | #endif | 104 | #endif |
| 107 | 105 | ||
| 108 | #ifdef CONFIG_DEBUG_SPINLOCK | 106 | #ifdef CONFIG_DEBUG_SPINLOCK |
| @@ -116,7 +114,7 @@ do { \ | |||
| 116 | } while (0) | 114 | } while (0) |
| 117 | #else | 115 | #else |
| 118 | # define rwlock_init(lock) \ | 116 | # define rwlock_init(lock) \ |
| 119 | do { *(lock) = RW_LOCK_UNLOCKED; } while (0) | 117 | do { *(lock) = __RW_LOCK_UNLOCKED(lock); } while (0) |
| 120 | #endif | 118 | #endif |
| 121 | 119 | ||
| 122 | #define spin_is_locked(lock) __raw_spin_is_locked(&(lock)->raw_lock) | 120 | #define spin_is_locked(lock) __raw_spin_is_locked(&(lock)->raw_lock) |
diff --git a/include/linux/spinlock_api_smp.h b/include/linux/spinlock_api_smp.h index 7a7e18fc2415..8264a7f459bc 100644 --- a/include/linux/spinlock_api_smp.h +++ b/include/linux/spinlock_api_smp.h | |||
| @@ -60,137 +60,118 @@ void __lockfunc _read_unlock_irqrestore(rwlock_t *lock, unsigned long flags) | |||
| 60 | void __lockfunc _write_unlock_irqrestore(rwlock_t *lock, unsigned long flags) | 60 | void __lockfunc _write_unlock_irqrestore(rwlock_t *lock, unsigned long flags) |
| 61 | __releases(lock); | 61 | __releases(lock); |
| 62 | 62 | ||
| 63 | /* | 63 | #ifdef CONFIG_INLINE_SPIN_LOCK |
| 64 | * We inline the unlock functions in the nondebug case: | ||
| 65 | */ | ||
| 66 | #if !defined(CONFIG_DEBUG_SPINLOCK) && !defined(CONFIG_PREEMPT) | ||
| 67 | #define __always_inline__spin_unlock | ||
| 68 | #define __always_inline__read_unlock | ||
| 69 | #define __always_inline__write_unlock | ||
| 70 | #define __always_inline__spin_unlock_irq | ||
| 71 | #define __always_inline__read_unlock_irq | ||
| 72 | #define __always_inline__write_unlock_irq | ||
| 73 | #endif | ||
| 74 | |||
| 75 | #ifndef CONFIG_DEBUG_SPINLOCK | ||
| 76 | #ifndef CONFIG_GENERIC_LOCKBREAK | ||
| 77 | |||
| 78 | #ifdef __always_inline__spin_lock | ||
| 79 | #define _spin_lock(lock) __spin_lock(lock) | 64 | #define _spin_lock(lock) __spin_lock(lock) |
| 80 | #endif | 65 | #endif |
| 81 | 66 | ||
| 82 | #ifdef __always_inline__read_lock | 67 | #ifdef CONFIG_INLINE_READ_LOCK |
| 83 | #define _read_lock(lock) __read_lock(lock) | 68 | #define _read_lock(lock) __read_lock(lock) |
| 84 | #endif | 69 | #endif |
| 85 | 70 | ||
| 86 | #ifdef __always_inline__write_lock | 71 | #ifdef CONFIG_INLINE_WRITE_LOCK |
| 87 | #define _write_lock(lock) __write_lock(lock) | 72 | #define _write_lock(lock) __write_lock(lock) |
| 88 | #endif | 73 | #endif |
| 89 | 74 | ||
| 90 | #ifdef __always_inline__spin_lock_bh | 75 | #ifdef CONFIG_INLINE_SPIN_LOCK_BH |
| 91 | #define _spin_lock_bh(lock) __spin_lock_bh(lock) | 76 | #define _spin_lock_bh(lock) __spin_lock_bh(lock) |
| 92 | #endif | 77 | #endif |
| 93 | 78 | ||
| 94 | #ifdef __always_inline__read_lock_bh | 79 | #ifdef CONFIG_INLINE_READ_LOCK_BH |
| 95 | #define _read_lock_bh(lock) __read_lock_bh(lock) | 80 | #define _read_lock_bh(lock) __read_lock_bh(lock) |
| 96 | #endif | 81 | #endif |
| 97 | 82 | ||
| 98 | #ifdef __always_inline__write_lock_bh | 83 | #ifdef CONFIG_INLINE_WRITE_LOCK_BH |
| 99 | #define _write_lock_bh(lock) __write_lock_bh(lock) | 84 | #define _write_lock_bh(lock) __write_lock_bh(lock) |
| 100 | #endif | 85 | #endif |
| 101 | 86 | ||
| 102 | #ifdef __always_inline__spin_lock_irq | 87 | #ifdef CONFIG_INLINE_SPIN_LOCK_IRQ |
| 103 | #define _spin_lock_irq(lock) __spin_lock_irq(lock) | 88 | #define _spin_lock_irq(lock) __spin_lock_irq(lock) |
| 104 | #endif | 89 | #endif |
| 105 | 90 | ||
| 106 | #ifdef __always_inline__read_lock_irq | 91 | #ifdef CONFIG_INLINE_READ_LOCK_IRQ |
| 107 | #define _read_lock_irq(lock) __read_lock_irq(lock) | 92 | #define _read_lock_irq(lock) __read_lock_irq(lock) |
| 108 | #endif | 93 | #endif |
| 109 | 94 | ||
| 110 | #ifdef __always_inline__write_lock_irq | 95 | #ifdef CONFIG_INLINE_WRITE_LOCK_IRQ |
| 111 | #define _write_lock_irq(lock) __write_lock_irq(lock) | 96 | #define _write_lock_irq(lock) __write_lock_irq(lock) |
| 112 | #endif | 97 | #endif |
| 113 | 98 | ||
| 114 | #ifdef __always_inline__spin_lock_irqsave | 99 | #ifdef CONFIG_INLINE_SPIN_LOCK_IRQSAVE |
| 115 | #define _spin_lock_irqsave(lock) __spin_lock_irqsave(lock) | 100 | #define _spin_lock_irqsave(lock) __spin_lock_irqsave(lock) |
| 116 | #endif | 101 | #endif |
| 117 | 102 | ||
| 118 | #ifdef __always_inline__read_lock_irqsave | 103 | #ifdef CONFIG_INLINE_READ_LOCK_IRQSAVE |
| 119 | #define _read_lock_irqsave(lock) __read_lock_irqsave(lock) | 104 | #define _read_lock_irqsave(lock) __read_lock_irqsave(lock) |
| 120 | #endif | 105 | #endif |
| 121 | 106 | ||
| 122 | #ifdef __always_inline__write_lock_irqsave | 107 | #ifdef CONFIG_INLINE_WRITE_LOCK_IRQSAVE |
| 123 | #define _write_lock_irqsave(lock) __write_lock_irqsave(lock) | 108 | #define _write_lock_irqsave(lock) __write_lock_irqsave(lock) |
| 124 | #endif | 109 | #endif |
| 125 | 110 | ||
| 126 | #endif /* !CONFIG_GENERIC_LOCKBREAK */ | 111 | #ifdef CONFIG_INLINE_SPIN_TRYLOCK |
| 127 | |||
| 128 | #ifdef __always_inline__spin_trylock | ||
| 129 | #define _spin_trylock(lock) __spin_trylock(lock) | 112 | #define _spin_trylock(lock) __spin_trylock(lock) |
| 130 | #endif | 113 | #endif |
| 131 | 114 | ||
| 132 | #ifdef __always_inline__read_trylock | 115 | #ifdef CONFIG_INLINE_READ_TRYLOCK |
| 133 | #define _read_trylock(lock) __read_trylock(lock) | 116 | #define _read_trylock(lock) __read_trylock(lock) |
| 134 | #endif | 117 | #endif |
| 135 | 118 | ||
| 136 | #ifdef __always_inline__write_trylock | 119 | #ifdef CONFIG_INLINE_WRITE_TRYLOCK |
| 137 | #define _write_trylock(lock) __write_trylock(lock) | 120 | #define _write_trylock(lock) __write_trylock(lock) |
| 138 | #endif | 121 | #endif |
| 139 | 122 | ||
| 140 | #ifdef __always_inline__spin_trylock_bh | 123 | #ifdef CONFIG_INLINE_SPIN_TRYLOCK_BH |
| 141 | #define _spin_trylock_bh(lock) __spin_trylock_bh(lock) | 124 | #define _spin_trylock_bh(lock) __spin_trylock_bh(lock) |
| 142 | #endif | 125 | #endif |
| 143 | 126 | ||
| 144 | #ifdef __always_inline__spin_unlock | 127 | #ifdef CONFIG_INLINE_SPIN_UNLOCK |
| 145 | #define _spin_unlock(lock) __spin_unlock(lock) | 128 | #define _spin_unlock(lock) __spin_unlock(lock) |
| 146 | #endif | 129 | #endif |
| 147 | 130 | ||
| 148 | #ifdef __always_inline__read_unlock | 131 | #ifdef CONFIG_INLINE_READ_UNLOCK |
| 149 | #define _read_unlock(lock) __read_unlock(lock) | 132 | #define _read_unlock(lock) __read_unlock(lock) |
| 150 | #endif | 133 | #endif |
| 151 | 134 | ||
| 152 | #ifdef __always_inline__write_unlock | 135 | #ifdef CONFIG_INLINE_WRITE_UNLOCK |
| 153 | #define _write_unlock(lock) __write_unlock(lock) | 136 | #define _write_unlock(lock) __write_unlock(lock) |
| 154 | #endif | 137 | #endif |
| 155 | 138 | ||
| 156 | #ifdef __always_inline__spin_unlock_bh | 139 | #ifdef CONFIG_INLINE_SPIN_UNLOCK_BH |
| 157 | #define _spin_unlock_bh(lock) __spin_unlock_bh(lock) | 140 | #define _spin_unlock_bh(lock) __spin_unlock_bh(lock) |
| 158 | #endif | 141 | #endif |
| 159 | 142 | ||
| 160 | #ifdef __always_inline__read_unlock_bh | 143 | #ifdef CONFIG_INLINE_READ_UNLOCK_BH |
| 161 | #define _read_unlock_bh(lock) __read_unlock_bh(lock) | 144 | #define _read_unlock_bh(lock) __read_unlock_bh(lock) |
| 162 | #endif | 145 | #endif |
| 163 | 146 | ||
| 164 | #ifdef __always_inline__write_unlock_bh | 147 | #ifdef CONFIG_INLINE_WRITE_UNLOCK_BH |
| 165 | #define _write_unlock_bh(lock) __write_unlock_bh(lock) | 148 | #define _write_unlock_bh(lock) __write_unlock_bh(lock) |
| 166 | #endif | 149 | #endif |
| 167 | 150 | ||
| 168 | #ifdef __always_inline__spin_unlock_irq | 151 | #ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQ |
| 169 | #define _spin_unlock_irq(lock) __spin_unlock_irq(lock) | 152 | #define _spin_unlock_irq(lock) __spin_unlock_irq(lock) |
| 170 | #endif | 153 | #endif |
| 171 | 154 | ||
| 172 | #ifdef __always_inline__read_unlock_irq | 155 | #ifdef CONFIG_INLINE_READ_UNLOCK_IRQ |
| 173 | #define _read_unlock_irq(lock) __read_unlock_irq(lock) | 156 | #define _read_unlock_irq(lock) __read_unlock_irq(lock) |
| 174 | #endif | 157 | #endif |
| 175 | 158 | ||
| 176 | #ifdef __always_inline__write_unlock_irq | 159 | #ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQ |
| 177 | #define _write_unlock_irq(lock) __write_unlock_irq(lock) | 160 | #define _write_unlock_irq(lock) __write_unlock_irq(lock) |
| 178 | #endif | 161 | #endif |
| 179 | 162 | ||
| 180 | #ifdef __always_inline__spin_unlock_irqrestore | 163 | #ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE |
| 181 | #define _spin_unlock_irqrestore(lock, flags) __spin_unlock_irqrestore(lock, flags) | 164 | #define _spin_unlock_irqrestore(lock, flags) __spin_unlock_irqrestore(lock, flags) |
| 182 | #endif | 165 | #endif |
| 183 | 166 | ||
| 184 | #ifdef __always_inline__read_unlock_irqrestore | 167 | #ifdef CONFIG_INLINE_READ_UNLOCK_IRQRESTORE |
| 185 | #define _read_unlock_irqrestore(lock, flags) __read_unlock_irqrestore(lock, flags) | 168 | #define _read_unlock_irqrestore(lock, flags) __read_unlock_irqrestore(lock, flags) |
| 186 | #endif | 169 | #endif |
| 187 | 170 | ||
| 188 | #ifdef __always_inline__write_unlock_irqrestore | 171 | #ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE |
| 189 | #define _write_unlock_irqrestore(lock, flags) __write_unlock_irqrestore(lock, flags) | 172 | #define _write_unlock_irqrestore(lock, flags) __write_unlock_irqrestore(lock, flags) |
| 190 | #endif | 173 | #endif |
| 191 | 174 | ||
| 192 | #endif /* CONFIG_DEBUG_SPINLOCK */ | ||
| 193 | |||
| 194 | static inline int __spin_trylock(spinlock_t *lock) | 175 | static inline int __spin_trylock(spinlock_t *lock) |
| 195 | { | 176 | { |
| 196 | preempt_disable(); | 177 | preempt_disable(); |
