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kernel/linux-rt-4.4.41/arch/parisc/include/asm/hardirq.h 1.26 KB
5113f6f70   김현기   kernel add
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  /* hardirq.h: PA-RISC hard IRQ support.
   *
   * Copyright (C) 2001 Matthew Wilcox <matthew@wil.cx>
   * Copyright (C) 2013 Helge Deller <deller@gmx.de>
   */
  
  #ifndef _PARISC_HARDIRQ_H
  #define _PARISC_HARDIRQ_H
  
  #include <linux/cache.h>
  #include <linux/threads.h>
  #include <linux/irq.h>
  
  #ifdef CONFIG_IRQSTACKS
  #define __ARCH_HAS_DO_SOFTIRQ
  #endif
  
  typedef struct {
  	unsigned int __softirq_pending;
  	unsigned int kernel_stack_usage;
  	unsigned int irq_stack_usage;
  #ifdef CONFIG_SMP
  	unsigned int irq_resched_count;
  #endif
  	unsigned int irq_unaligned_count;
  	unsigned int irq_fpassist_count;
  	unsigned int irq_tlb_count;
  } ____cacheline_aligned irq_cpustat_t;
  
  DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
  
  #define __ARCH_IRQ_STAT
  #define __IRQ_STAT(cpu, member) (irq_stat[cpu].member)
  #define inc_irq_stat(member)	this_cpu_inc(irq_stat.member)
  #define __inc_irq_stat(member)	__this_cpu_inc(irq_stat.member)
  #define local_softirq_pending()	this_cpu_read(irq_stat.__softirq_pending)
  
  #define __ARCH_SET_SOFTIRQ_PENDING
  
  #define set_softirq_pending(x)	\
  		this_cpu_write(irq_stat.__softirq_pending, (x))
  #define or_softirq_pending(x)	this_cpu_or(irq_stat.__softirq_pending, (x))
  
  #define ack_bad_irq(irq) WARN(1, "unexpected IRQ trap at vector %02x
  ", irq)
  
  #endif /* _PARISC_HARDIRQ_H */