diff options
Diffstat (limited to 'include/asm-ppc/hardirq.h')
| -rw-r--r-- | include/asm-ppc/hardirq.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/asm-ppc/hardirq.h b/include/asm-ppc/hardirq.h new file mode 100644 index 00000000000..94f1411b1a9 --- /dev/null +++ b/include/asm-ppc/hardirq.h @@ -0,0 +1,31 @@ +#ifdef __KERNEL__ +#ifndef __ASM_HARDIRQ_H +#define __ASM_HARDIRQ_H + +#include <linux/config.h> +#include <linux/cache.h> +#include <linux/smp_lock.h> +#include <asm/irq.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 long __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_HARDIRQ_H */ +#endif /* __KERNEL__ */ |