1#ifndef __ASM_HARDIRQ_H 2#define __ASM_HARDIRQ_H 3 4#include <linux/cache.h> 5#include <linux/threads.h> 6#include <asm/irq.h> 7 8typedef struct { 9 unsigned int __softirq_pending; 10 unsigned int local_timer_irqs; 11} ____cacheline_aligned irq_cpustat_t; 12 13#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ 14 15#if NR_IRQS > 512 16#define HARDIRQ_BITS 10 17#elif NR_IRQS > 256 18#define HARDIRQ_BITS 9 19#else 20#define HARDIRQ_BITS 8 21#endif 22 23/* 24 * The hardirq mask has to be large enough to have space 25 * for potentially all IRQ sources in the system nesting 26 * on a single CPU: 27 */ 28#if (1 << HARDIRQ_BITS) < NR_IRQS 29# error HARDIRQ_BITS is too low! 30#endif 31 32#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1 33 34#endif /* __ASM_HARDIRQ_H */ 35