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 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