linux/arch/parisc/include/asm/hardirq.h
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   1/* hardirq.h: PA-RISC hard IRQ support.
   2 *
   3 * Copyright (C) 2001 Matthew Wilcox <matthew@wil.cx>
   4 * Copyright (C) 2013 Helge Deller <deller@gmx.de>
   5 */
   6
   7#ifndef _PARISC_HARDIRQ_H
   8#define _PARISC_HARDIRQ_H
   9
  10#include <linux/cache.h>
  11#include <linux/threads.h>
  12#include <linux/irq.h>
  13
  14#ifdef CONFIG_IRQSTACKS
  15#define __ARCH_HAS_DO_SOFTIRQ
  16#endif
  17
  18typedef struct {
  19        unsigned int __softirq_pending;
  20        unsigned int kernel_stack_usage;
  21        unsigned int irq_stack_usage;
  22#ifdef CONFIG_SMP
  23        unsigned int irq_resched_count;
  24        unsigned int irq_call_count;
  25#endif
  26        unsigned int irq_unaligned_count;
  27        unsigned int irq_fpassist_count;
  28        unsigned int irq_tlb_count;
  29} ____cacheline_aligned irq_cpustat_t;
  30
  31DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
  32
  33#define __ARCH_IRQ_STAT
  34#define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
  35#define inc_irq_stat(member)    this_cpu_inc(irq_stat.member)
  36#define __inc_irq_stat(member)  __this_cpu_inc(irq_stat.member)
  37#define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending)
  38
  39#define __ARCH_SET_SOFTIRQ_PENDING
  40
  41#define set_softirq_pending(x)  \
  42                this_cpu_write(irq_stat.__softirq_pending, (x))
  43#define or_softirq_pending(x)   this_cpu_or(irq_stat.__softirq_pending, (x))
  44
  45#define ack_bad_irq(irq) WARN(1, "unexpected IRQ trap at vector %02x\n", irq)
  46
  47#endif /* _PARISC_HARDIRQ_H */
  48