3  * Idle functions for s390.
26 	struct s390_idle_data *idle = this_cpu_ptr(&s390_idle);  in enabled_wait()  local
38 	psw_idle(idle, psw_mask);  in enabled_wait()
41 	/* Account time spent with enabled wait psw loaded as idle time. */  in enabled_wait()
42 	raw_write_seqcount_begin(&idle->seqcount);  in enabled_wait()
43 	idle_time = idle->clock_idle_exit - idle->clock_idle_enter;  in enabled_wait()
44 	idle->clock_idle_enter = idle->clock_idle_exit = 0ULL;  in enabled_wait()
45 	idle->idle_time += idle_time;  in enabled_wait()
46 	idle->idle_count++;  in enabled_wait()
48 	raw_write_seqcount_end(&idle->seqcount);  in enabled_wait()
55 	struct s390_idle_data *idle = &per_cpu(s390_idle, dev->id);  in show_idle_count()  local
60 		seq = read_seqcount_begin(&idle->seqcount);  in show_idle_count()
61 		idle_count = READ_ONCE(idle->idle_count);  in show_idle_count()
62 		if (READ_ONCE(idle->clock_idle_enter))  in show_idle_count()
64 	} while (read_seqcount_retry(&idle->seqcount, seq));  in show_idle_count()
73 	struct s390_idle_data *idle = &per_cpu(s390_idle, dev->id);  in show_idle_time()  local
77 		seq = read_seqcount_begin(&idle->seqcount);  in show_idle_time()
78 		idle_time = READ_ONCE(idle->idle_time);  in show_idle_time()
79 		idle_enter = READ_ONCE(idle->clock_idle_enter);  in show_idle_time()
80 		idle_exit = READ_ONCE(idle->clock_idle_exit);  in show_idle_time()
81 	} while (read_seqcount_retry(&idle->seqcount, seq));  in show_idle_time()
98 	struct s390_idle_data *idle = &per_cpu(s390_idle, cpu);  in arch_cpu_idle_time()  local
103 		seq = read_seqcount_begin(&idle->seqcount);  in arch_cpu_idle_time()
104 		idle_enter = READ_ONCE(idle->clock_idle_enter);  in arch_cpu_idle_time()
105 		idle_exit = READ_ONCE(idle->clock_idle_exit);  in arch_cpu_idle_time()
106 	} while (read_seqcount_retry(&idle->seqcount, seq));  in arch_cpu_idle_time()