diff options
Diffstat (limited to 'arch/s390/include/asm/cpu.h')
| -rw-r--r-- | arch/s390/include/asm/cpu.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/s390/include/asm/cpu.h b/arch/s390/include/asm/cpu.h new file mode 100644 index 000000000000..e5a6a9ba3adf --- /dev/null +++ b/arch/s390/include/asm/cpu.h @@ -0,0 +1,33 @@ +/* + * include/asm-s390/cpu.h + * + * Copyright IBM Corp. 2007 + * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> + */ + +#ifndef _ASM_S390_CPU_H_ +#define _ASM_S390_CPU_H_ + +#include <linux/types.h> +#include <linux/percpu.h> +#include <linux/spinlock.h> + +struct s390_idle_data { + spinlock_t lock; + unsigned int in_idle; + unsigned long long idle_count; + unsigned long long idle_enter; + unsigned long long idle_time; +}; + +DECLARE_PER_CPU(struct s390_idle_data, s390_idle); + +void s390_idle_leave(void); + +static inline void s390_idle_check(void) +{ + if ((&__get_cpu_var(s390_idle))->in_idle) + s390_idle_leave(); +} + +#endif /* _ASM_S390_CPU_H_ */ |