include/linux/context_tracking.h

   1 #ifndef _LINUX_CONTEXT_TRACKING_H
   2 #define _LINUX_CONTEXT_TRACKING_H
   3
   4 #ifdef CONFIG_CONTEXT_TRACKING
   5 #include <linux/sched.h>
   6
   7 extern void user_enter(void);
   8 extern void user_exit(void);
   9 extern void context_tracking_task_switch(struct task_struct *prev,
  10                                          struct task_struct *next);
  11 #else
  12 static inline void user_enter(void) { }
  13 static inline void user_exit(void) { }
  14 static inline void context_tracking_task_switch(struct task_struct *prev,
  15                                                 struct task_struct *next) { }
  16 #endif /* !CONFIG_CONTEXT_TRACKING */
  17
  18 #endif