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#ifndef __ASM_SH_ATOMIC_IRQ_H #define __ASM_SH_ATOMIC_IRQ_H #include <linux/irqflags.h> /* * To get proper branch prediction for the main line, we must branch * forward to code at the end of this object's .text section, then * branch back to restart the operation. */ static inline void atomic_add(int i, atomic_t *v) { unsigned long flags; raw_local_irq_save(flags); v->counter += i; raw_local_irq_restore(flags); } static inline void atomic_sub(int i, atomic_t *v) { unsigned long flags; raw_local_irq_save(flags); v->counter -= i; raw_local_irq_restore(flags); } static inline int atomic_add_return(int i, atomic_t *v) { unsigned long temp, flags; raw_local_irq_save(flags); temp = v->counter; temp += i; v->counter = temp; raw_local_irq_restore(flags); return temp; } static inline int atomic_sub_return(int i, atomic_t *v) { unsigned long temp, flags; raw_local_irq_save(flags); temp = v->counter; temp -= i; v->counter = temp; raw_local_irq_restore(flags); return temp; } static inline void atomic_clear_mask(unsigned int mask, atomic_t *v) { unsigned long flags; raw_local_irq_save(flags); v->counter &= ~mask; raw_local_irq_restore(flags); } static inline void atomic_set_mask(unsigned int mask, atomic_t *v) { unsigned long flags; raw_local_irq_save(flags); v->counter |= mask; raw_local_irq_restore(flags); } #endif /* __ASM_SH_ATOMIC_IRQ_H */