37 lines
		
	
	
	
		
			752 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			37 lines
		
	
	
	
		
			752 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #ifdef __KERNEL__
 | ||
|  | #ifndef __ASM_HARDIRQ_H
 | ||
|  | #define __ASM_HARDIRQ_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__ */
 |