[BACK]Return to cpu.h CVS log [TXT][DIR] Up to [Development] / linux-2.6-xfs / include / asm-s390
File: [Development] / linux-2.6-xfs / include / asm-s390 / Attic / cpu.h (download)

Revision 1.2, Mon Aug 4 17:03:13 2008 UTC (9 years, 2 months ago) by lachlan.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.1: +8 -0 lines 

Merge up to 2.6.26
Merge of 2.6.x-xfs-melb:linux:31804b by kenmcd.

/*
 *  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_ */