Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Heiko Carstens | 362 | 46.65% | 2 | 13.33% |
Thomas Gleixner | 207 | 26.68% | 5 | 33.33% |
Ingo Molnar | 146 | 18.81% | 2 | 13.33% |
Peter Zijlstra | 36 | 4.64% | 2 | 13.33% |
Arjan van de Ven | 12 | 1.55% | 1 | 6.67% |
Josh Triplett | 9 | 1.16% | 1 | 6.67% |
Raghavendra K T | 3 | 0.39% | 1 | 6.67% |
Chen Gang S | 1 | 0.13% | 1 | 6.67% |
Total | 776 | 15 |
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#ifndef __LINUX_SPINLOCK_API_SMP_H #define __LINUX_SPINLOCK_API_SMP_H #ifndef __LINUX_SPINLOCK_H # error "please don't include this file directly" #endif /* * include/linux/spinlock_api_smp.h * * spinlock API declarations on SMP (and debug) * (implemented in kernel/spinlock.c) * * portions Copyright 2005, Red Hat, Inc., Ingo Molnar * Released under the General Public License (GPL). */ int in_lock_functions(unsigned long addr); #define assert_raw_spin_locked(x) BUG_ON(!raw_spin_is_locked(x)) void __lockfunc _raw_spin_lock(raw_spinlock_t *lock) __acquires(lock); void __lockfunc _raw_spin_lock_nested(raw_spinlock_t *lock, int subclass) __acquires(lock); void __lockfunc _raw_spin_lock_nest_lock(raw_spinlock_t *lock, struct lockdep_map *map) __acquires(lock); void __lockfunc _raw_spin_lock_bh(raw_spinlock_t *lock) __acquires(lock); void __lockfunc _raw_spin_lock_irq(raw_spinlock_t *lock) __acquires(lock); unsigned long __lockfunc _raw_spin_lock_irqsave(raw_spinlock_t *lock) __acquires(lock); unsigned long __lockfunc _raw_spin_lock_irqsave_nested(raw_spinlock_t *lock, int subclass) __acquires(lock); int __lockfunc _raw_spin_trylock(raw_spinlock_t *lock); int __lockfunc _raw_spin_trylock_bh(raw_spinlock_t *lock); void __lockfunc _raw_spin_unlock(raw_spinlock_t *lock) __releases(lock); void __lockfunc _raw_spin_unlock_bh(raw_spinlock_t *lock) __releases(lock); void __lockfunc _raw_spin_unlock_irq(raw_spinlock_t *lock) __releases(lock); void __lockfunc _raw_spin_unlock_irqrestore(raw_spinlock_t *lock, unsigned long flags) __releases(lock); #ifdef CONFIG_INLINE_SPIN_LOCK #define _raw_spin_lock(lock) __raw_spin_lock(lock) #endif #ifdef CONFIG_INLINE_SPIN_LOCK_BH #define _raw_spin_lock_bh(lock) __raw_spin_lock_bh(lock) #endif #ifdef CONFIG_INLINE_SPIN_LOCK_IRQ #define _raw_spin_lock_irq(lock) __raw_spin_lock_irq(lock) #endif #ifdef CONFIG_INLINE_SPIN_LOCK_IRQSAVE #define _raw_spin_lock_irqsave(lock) __raw_spin_lock_irqsave(lock) #endif #ifdef CONFIG_INLINE_SPIN_TRYLOCK #define _raw_spin_trylock(lock) __raw_spin_trylock(lock) #endif #ifdef CONFIG_INLINE_SPIN_TRYLOCK_BH #define _raw_spin_trylock_bh(lock) __raw_spin_trylock_bh(lock) #endif #ifndef CONFIG_UNINLINE_SPIN_UNLOCK #define _raw_spin_unlock(lock) __raw_spin_unlock(lock) #endif #ifdef CONFIG_INLINE_SPIN_UNLOCK_BH #define _raw_spin_unlock_bh(lock) __raw_spin_unlock_bh(lock) #endif #ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQ #define _raw_spin_unlock_irq(lock) __raw_spin_unlock_irq(lock) #endif #ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE #define _raw_spin_unlock_irqrestore(lock, flags) __raw_spin_unlock_irqrestore(lock, flags) #endif static inline int __raw_spin_trylock(raw_spinlock_t *lock) { preempt_disable(); if (do_raw_spin_trylock(lock)) { spin_acquire(&lock->dep_map, 0, 1, _RET_IP_); return 1; } preempt_enable(); return 0; } /* * If lockdep is enabled then we use the non-preemption spin-ops * even on CONFIG_PREEMPT, because lockdep assumes that interrupts are * not re-enabled during lock-acquire (which the preempt-spin-ops do): */ #if !defined(CONFIG_GENERIC_LOCKBREAK) || defined(CONFIG_DEBUG_LOCK_ALLOC) static inline unsigned long __raw_spin_lock_irqsave(raw_spinlock_t *lock) { unsigned long flags; local_irq_save(flags); preempt_disable(); spin_acquire(&lock->dep_map, 0, 0, _RET_IP_); /* * On lockdep we dont want the hand-coded irq-enable of * do_raw_spin_lock_flags() code, because lockdep assumes * that interrupts are not re-enabled during lock-acquire: */ #ifdef CONFIG_LOCKDEP LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock); #else do_raw_spin_lock_flags(lock, &flags); #endif return flags; } static inline void __raw_spin_lock_irq(raw_spinlock_t *lock) { local_irq_disable(); preempt_disable(); spin_acquire(&lock->dep_map, 0, 0, _RET_IP_); LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock); } static inline void __raw_spin_lock_bh(raw_spinlock_t *lock) { __local_bh_disable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET); spin_acquire(&lock->dep_map, 0, 0, _RET_IP_); LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock); } static inline void __raw_spin_lock(raw_spinlock_t *lock) { preempt_disable(); spin_acquire(&lock->dep_map, 0, 0, _RET_IP_); LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock); } #endif /* !CONFIG_GENERIC_LOCKBREAK || CONFIG_DEBUG_LOCK_ALLOC */ static inline void __raw_spin_unlock(raw_spinlock_t *lock) { spin_release(&lock->dep_map, 1, _RET_IP_); do_raw_spin_unlock(lock); preempt_enable(); } static inline void __raw_spin_unlock_irqrestore(raw_spinlock_t *lock, unsigned long flags) { spin_release(&lock->dep_map, 1, _RET_IP_); do_raw_spin_unlock(lock); local_irq_restore(flags); preempt_enable(); } static inline void __raw_spin_unlock_irq(raw_spinlock_t *lock) { spin_release(&lock->dep_map, 1, _RET_IP_); do_raw_spin_unlock(lock); local_irq_enable(); preempt_enable(); } static inline void __raw_spin_unlock_bh(raw_spinlock_t *lock) { spin_release(&lock->dep_map, 1, _RET_IP_); do_raw_spin_unlock(lock); __local_bh_enable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET); } static inline int __raw_spin_trylock_bh(raw_spinlock_t *lock) { __local_bh_disable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET); if (do_raw_spin_trylock(lock)) { spin_acquire(&lock->dep_map, 0, 1, _RET_IP_); return 1; } __local_bh_enable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET); return 0; } #include <linux/rwlock_api_smp.h> #endif /* __LINUX_SPINLOCK_API_SMP_H */
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