diff options
Diffstat (limited to 'include/asm-powerpc/hardirq.h')
| -rw-r--r-- | include/asm-powerpc/hardirq.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/asm-powerpc/hardirq.h b/include/asm-powerpc/hardirq.h new file mode 100644 index 00000000000..3b3e3b49ec1 --- /dev/null +++ b/include/asm-powerpc/hardirq.h @@ -0,0 +1,27 @@ +#ifndef _ASM_POWERPC_HARDIRQ_H +#define _ASM_POWERPC_HARDIRQ_H + +#include <asm/irq.h> +#include <asm/bug.h> + +/* The __last_jiffy_stamp field is needed to ensure that no decrementer + * interrupt is lost on SMP machines. Since on most CPUs it is in the same + * cache line as local_irq_count, it is cheap to access and is also used on UP + * for uniformity. + */ +typedef struct { + unsigned int __softirq_pending; /* set_bit is used on this */ + unsigned int __last_jiffy_stamp; +} ____cacheline_aligned irq_cpustat_t; + +#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ + +#define last_jiffy_stamp(cpu) __IRQ_STAT((cpu), __last_jiffy_stamp) + +static inline void ack_bad_irq(int irq) +{ + printk(KERN_CRIT "illegal vector %d received!\n", irq); + BUG(); +} + +#endif /* _ASM_POWERPC_HARDIRQ_H */ |