diff options
Diffstat (limited to 'include/asm-blackfin/hardirq.h')
-rw-r--r-- | include/asm-blackfin/hardirq.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/asm-blackfin/hardirq.h b/include/asm-blackfin/hardirq.h new file mode 100644 index 00000000000..0cab0d35bad --- /dev/null +++ b/include/asm-blackfin/hardirq.h @@ -0,0 +1,41 @@ +#ifndef __BFIN_HARDIRQ_H +#define __BFIN_HARDIRQ_H + +#include <linux/cache.h> +#include <linux/threads.h> +#include <asm/irq.h> + +typedef struct { + unsigned int __softirq_pending; + unsigned int __syscall_count; + struct task_struct *__ksoftirqd_task; +} ____cacheline_aligned irq_cpustat_t; + +#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ + +/* + * We put the hardirq and softirq counter into the preemption + * counter. The bitmask has the following meaning: + * + * - bits 0-7 are the preemption count (max preemption depth: 256) + * - bits 8-15 are the softirq count (max # of softirqs: 256) + * - bits 16-23 are the hardirq count (max # of hardirqs: 256) + * + * - ( bit 26 is the PREEMPT_ACTIVE flag. ) + * + * PREEMPT_MASK: 0x000000ff + * HARDIRQ_MASK: 0x0000ff00 + * SOFTIRQ_MASK: 0x00ff0000 + */ + +#define HARDIRQ_BITS 8 + +#ifdef NR_IRQS +# if (1 << HARDIRQ_BITS) < NR_IRQS +# error HARDIRQ_BITS is too low! +# endif +#endif + +#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1 + +#endif |