| #ifdef __KERNEL__ | 
 | #ifndef __ASM_HARDIRQ_H | 
 | #define __ASM_HARDIRQ_H | 
 |  | 
 | #include <linux/config.h> | 
 | #include <linux/threads.h> | 
 | #include <linux/irq.h> | 
 |  | 
 | typedef struct { | 
 | 	unsigned int __softirq_pending; | 
 | } ____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 | 
 |  | 
 | static inline void ack_bad_irq(int irq) | 
 | { | 
 | 	printk(KERN_CRIT "unexpected IRQ trap at vector %02x\n", irq); | 
 | 	BUG(); | 
 | } | 
 |  | 
 | #endif /* __ASM_HARDIRQ_H */ | 
 | #endif /* __KERNEL__ */ |