1 /* hardirq.h: PA-RISC hard IRQ support.
3 * Copyright (C) 2001 Matthew Wilcox <matthew@wil.cx>
4 * Copyright (C) 2013 Helge Deller <deller@gmx.de>
7 #ifndef _PARISC_HARDIRQ_H
8 #define _PARISC_HARDIRQ_H
10 #include <linux/cache.h>
11 #include <linux/threads.h>
12 #include <linux/irq.h>
14 #ifdef CONFIG_IRQSTACKS
15 #define __ARCH_HAS_DO_SOFTIRQ
19 unsigned int __softirq_pending;
20 #ifdef CONFIG_DEBUG_STACKOVERFLOW
21 unsigned int kernel_stack_usage;
22 #ifdef CONFIG_IRQSTACKS
23 unsigned int irq_stack_usage;
24 unsigned int irq_stack_counter;
28 unsigned int irq_resched_count;
29 unsigned int irq_call_count;
31 unsigned int irq_tlb_count;
32 } ____cacheline_aligned irq_cpustat_t;
34 DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
36 #define __ARCH_IRQ_STAT
37 #define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
38 #define inc_irq_stat(member) this_cpu_inc(irq_stat.member)
39 #define __inc_irq_stat(member) __this_cpu_inc(irq_stat.member)
40 #define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending)
42 #define __ARCH_SET_SOFTIRQ_PENDING
44 #define set_softirq_pending(x) \
45 this_cpu_write(irq_stat.__softirq_pending, (x))
46 #define or_softirq_pending(x) this_cpu_or(irq_stat.__softirq_pending, (x))
48 #define ack_bad_irq(irq) WARN(1, "unexpected IRQ trap at vector %02x\n", irq)
50 #endif /* _PARISC_HARDIRQ_H */