#include <linux/config.h>
#include <linux/cache.h>
#include <linux/threads.h>
+#include <asm/irq.h>
typedef struct {
unsigned int __softirq_pending;
- unsigned int __local_irq_count;
- unsigned int __local_bh_count;
- unsigned int __syscall_count;
- struct task_struct * __ksoftirqd_task; /* waitqueue is too large */
} ____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 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
- */
-#define PREEMPT_BITS 8
-#define SOFTIRQ_BITS 8
#define HARDIRQ_BITS 8
-#define PREEMPT_SHIFT 0
-#define SOFTIRQ_SHIFT (PREEMPT_SHIFT + PREEMPT_BITS)
-#define HARDIRQ_SHIFT (SOFTIRQ_SHIFT + SOFTIRQ_BITS)
-
/*
* The hardirq mask has to be large enough to have space
* for potentially all IRQ sources in the system nesting
# error HARDIRQ_BITS is too low!
#endif
-#define irq_enter() (preempt_count() += HARDIRQ_OFFSET)
-
#ifndef CONFIG_SMP
-#define irq_exit() \
- do { \
- preempt_count() -= HARDIRQ_OFFSET; \
- if (!in_interrupt() && softirq_pending(smp_processor_id())) \
- __asm__("bl%? __do_softirq": : : "lr");/* out of line */\
- preempt_enable_no_resched(); \
- } while (0)
+
+extern asmlinkage void __do_softirq(void);
#endif
+
#endif /* __ASM_HARDIRQ_H */