1 #ifndef __H8300_HARDIRQ_H
2 #define __H8300_HARDIRQ_H
4 #include <linux/kernel.h>
5 #include <linux/config.h>
6 #include <linux/threads.h>
7 #include <linux/interrupt.h>
11 unsigned int __softirq_pending;
12 unsigned int __syscall_count;
13 struct task_struct * __ksoftirqd_task;
14 } ____cacheline_aligned irq_cpustat_t;
16 #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
18 #define HARDIRQ_BITS 8
21 * The hardirq mask has to be large enough to have
22 * space for potentially all IRQ sources in the system
23 * nesting on a single CPU:
25 #if (1 << HARDIRQ_BITS) < NR_IRQS
26 # error HARDIRQ_BITS is too low!
29 #define irq_enter() (preempt_count() += HARDIRQ_OFFSET)
32 preempt_count() -= IRQ_EXIT_OFFSET; \
33 if (!in_interrupt() && softirq_pending(smp_processor_id())) \
35 preempt_enable_no_resched(); \