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#ifndef __ASM_ARM_SWITCH_TO_H
#define __ASM_ARM_SWITCH_TO_H
#include <linux/thread_info.h>
/*
* switch_to(prev, next) should switch from task `prev' to `next'
* `prev' will never be the same as `next'. schedule() itself
* contains the memory barrier to tell GCC not to cache `current'.
*/
extern struct task_struct *__switch_to(struct task_struct *, struct thread_info *, struct thread_info *);
#if defined(CONFIG_SPRD_DEBUG_CPU_RATE) && defined(CONFIG_SPRD_DEBUG)
extern void update_cpu_usage(struct task_struct *prev, struct task_struct *next);
#define sprd_update_cpu_usage(prev, next) update_cpu_usage(prev, next)
#else
#define sprd_update_cpu_usage(prev, next)
#endif
#define switch_to(prev,next,last) \
do { \
sprd_update_cpu_usage(prev, next); \
last = __switch_to(prev,task_thread_info(prev), task_thread_info(next)); \
} while (0)
#endif /* __ASM_ARM_SWITCH_TO_H */
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