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 8 typedef struct { 9 unsigned int __softirq_pending; 10 #ifdef CONFIG_LOCAL_TIMERS 11 unsigned int local_timer_irqs; 12 #endif 13 } ____cacheline_aligned irq_cpustat_t; 14 15 #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ 16 17 #if NR_IRQS > 512 18 #define HARDIRQ_BITS 10 19 #elif NR_IRQS > 256 20 #define HARDIRQ_BITS 9 21 #else 22 #define HARDIRQ_BITS 8 23 #endif 24 25 /* 26 * The hardirq mask has to be large enough to have space 27 * for potentially all IRQ sources in the system nesting 28 * on a single CPU: 29 */ 30 #if (1 << HARDIRQ_BITS) < NR_IRQS 31 # error HARDIRQ_BITS is too low! 32 #endif 33 34 #define __ARCH_IRQ_EXIT_IRQS_DISABLED 1 35 36 #endif /* __ASM_HARDIRQ_H */ 37