Kernel  |  3.10

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C++程序  |  26行  |  470 B
#ifdef __KERNEL__
#ifndef __ASM_HARDIRQ_H
#define __ASM_HARDIRQ_H

#include <asm/irq.h>

#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

#include <asm-generic/hardirq.h>

#endif /* __ASM_HARDIRQ_H */
#endif /* __KERNEL__ */