1 /* 2 * include/asm-s390/cpu.h 3 * 4 * Copyright IBM Corp. 2007 5 * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> 6 */ 7 8 #ifndef _ASM_S390_CPU_H_ 9 #define _ASM_S390_CPU_H_ 10 11 #include <linux/types.h> 12 #include <linux/percpu.h> 13 #include <linux/spinlock.h> 14 15 struct s390_idle_data { 16 spinlock_t lock; 17 unsigned long long idle_count; 18 unsigned long long idle_enter; 19 unsigned long long idle_time; 20 }; 21 22 DECLARE_PER_CPU(struct s390_idle_data, s390_idle); 23 24 void vtime_start_cpu(void); 25 26 static inline void s390_idle_check(void) 27 { 28 if ((&__get_cpu_var(s390_idle))->idle_enter != 0ULL) 29 vtime_start_cpu(); 30 } 31 32 #endif /* _ASM_S390_CPU_H_ */ 33