arch/m68k/include/asm/hardirq.h

   1 #ifndef __M68K_HARDIRQ_H
   2 #define __M68K_HARDIRQ_H
   3
   4 #include <linux/threads.h>
   5 #include <linux/cache.h>
   6 #include <asm/irq.h>
   7
   8 #define HARDIRQ_BITS    8
   9
  10 /*
  11  * The hardirq mask has to be large enough to have
  12  * space for potentially all IRQ sources in the system
  13  * nesting on a single CPU:
  14  */
  15 #if (1 << HARDIRQ_BITS) < NR_IRQS
  16 # error HARDIRQ_BITS is too low!
  17 #endif
  18
  19 #ifdef CONFIG_MMU
  20
  21 static inline void ack_bad_irq(unsigned int irq)
  22 {
  23         pr_crit("unexpected IRQ trap at vector %02x\n", irq);
  24 }
  25
  26 /* entry.S is sensitive to the offsets of these fields */
  27 typedef struct {
  28         unsigned int __softirq_pending;
  29 } ____cacheline_aligned irq_cpustat_t;
  30
  31 #include <linux/irq_cpustat.h>  /* Standard mappings for irq_cpustat_t above */
  32
  33 #else
  34
  35 #include <asm-generic/hardirq.h>
  36
  37 #endif /* !CONFIG_MMU */
  38
  39 #endif