|  | #ifndef __ASM_HARDIRQ_H | 
|  | #define __ASM_HARDIRQ_H | 
|  |  | 
|  | #include <linux/cache.h> | 
|  | #include <linux/threads.h> | 
|  | #include <asm/irq.h> | 
|  |  | 
|  | typedef struct { | 
|  | unsigned int __softirq_pending; | 
|  | unsigned int local_timer_irqs; | 
|  | } ____cacheline_aligned irq_cpustat_t; | 
|  |  | 
|  | #include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */ | 
|  |  | 
|  | #if NR_IRQS > 256 | 
|  | #define HARDIRQ_BITS	9 | 
|  | #else | 
|  | #define HARDIRQ_BITS	8 | 
|  | #endif | 
|  |  | 
|  | /* | 
|  | * The hardirq mask has to be large enough to have space | 
|  | * for potentially all IRQ sources in the system nesting | 
|  | * on a single CPU: | 
|  | */ | 
|  | #if (1 << HARDIRQ_BITS) < NR_IRQS | 
|  | # error HARDIRQ_BITS is too low! | 
|  | #endif | 
|  |  | 
|  | #define __ARCH_IRQ_EXIT_IRQS_DISABLED	1 | 
|  |  | 
|  | #endif /* __ASM_HARDIRQ_H */ |