[mirror_ubuntu-bionic-kernel.git] / include / linux / irq_cpustat.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __irq_cpustat_h
#define __irq_cpustat_h

/*
 * Contains default mappings for irq_cpustat_t, used by almost every
 * architecture.  Some arch (like s390) have per cpu hardware pages and
 * they define their own mappings for irq_stat.
 *
 * Keith Owens <kaos@ocs.com.au> July 2000.
 */


/*
 * Simple wrappers reducing source bloat.  Define all irq_stat fields
 * here, even ones that are arch dependent.  That way we get common
 * definitions instead of differing sets for each arch.
 */

#ifndef __ARCH_IRQ_STAT
extern irq_cpustat_t irq_stat[];		/* defined in asm/hardirq.h */
#define __IRQ_STAT(cpu, member)	(irq_stat[cpu].member)
#endif

  /* arch independent irq_stat fields */
#define local_softirq_pending() \
	__IRQ_STAT(smp_processor_id(), __softirq_pending)

  /* arch dependent irq_stat fields */
#define nmi_count(cpu)		__IRQ_STAT((cpu), __nmi_count)	/* i386 */

#endif	/* __irq_cpustat_h */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	#ifndef __irq_cpustat_h
	3	#define __irq_cpustat_h
	4
	5	/*
	6	* Contains default mappings for irq_cpustat_t, used by almost every
	7	* architecture. Some arch (like s390) have per cpu hardware pages and
	8	* they define their own mappings for irq_stat.
	9	*
	10	* Keith Owens <kaos@ocs.com.au> July 2000.
	11	*/
	12
1da177e4 LT	13
	14	/*
	15	* Simple wrappers reducing source bloat. Define all irq_stat fields
	16	* here, even ones that are arch dependent. That way we get common
	17	* definitions instead of differing sets for each arch.
	18	*/
	19
	20	#ifndef __ARCH_IRQ_STAT
	21	extern irq_cpustat_t irq_stat[]; /* defined in asm/hardirq.h */
	22	#define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
	23	#endif
	24
	25	/* arch independent irq_stat fields */
	26	#define local_softirq_pending() \
	27	__IRQ_STAT(smp_processor_id(), __softirq_pending)
	28
	29	/* arch dependent irq_stat fields */
	30	#define nmi_count(cpu) __IRQ_STAT((cpu), __nmi_count) /* i386 */
	31
	32	#endif /* __irq_cpustat_h */