arch/powerpc/include/asm/hardirq.h

Source file repositories/reference/linux-study-clean/arch/powerpc/include/asm/hardirq.h

File Facts

System
Linux kernel
Corpus path
arch/powerpc/include/asm/hardirq.h
Extension
.h
Size
948 bytes
Lines
39
Domain
Architecture Layer
Bucket
arch/powerpc
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _ASM_POWERPC_HARDIRQ_H
#define _ASM_POWERPC_HARDIRQ_H

#include <linux/threads.h>
#include <linux/irq.h>

typedef struct {
	unsigned int __softirq_pending;
	unsigned int timer_irqs_event;
	unsigned int broadcast_irqs_event;
	unsigned int timer_irqs_others;
	unsigned int pmu_irqs;
	unsigned int mce_exceptions;
	unsigned int spurious_irqs;
	unsigned int sreset_irqs;
#ifdef CONFIG_PPC_WATCHDOG
	unsigned int soft_nmi_irqs;
#endif
#ifdef CONFIG_PPC_DOORBELL
	unsigned int doorbell_irqs;
#endif
} ____cacheline_aligned irq_cpustat_t;

DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);

#define __ARCH_IRQ_STAT
#define __ARCH_IRQ_EXIT_IRQS_DISABLED

static inline void ack_bad_irq(unsigned int irq)
{
	printk(KERN_CRIT "unexpected IRQ trap at vector %02x\n", irq);
}

extern u64 arch_irq_stat_cpu(unsigned int cpu);
#define arch_irq_stat_cpu	arch_irq_stat_cpu

#endif /* _ASM_POWERPC_HARDIRQ_H */

Annotation

Implementation Notes