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kernel/linux-rt-4.4.41/arch/xtensa/include/asm/smp.h 967 Bytes
5113f6f70   김현기   kernel add
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  /*
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   *
   * Copyright (C) 2001 - 2013 Tensilica Inc.
   */
  
  #ifndef _XTENSA_SMP_H
  #define _XTENSA_SMP_H
  
  #ifdef CONFIG_SMP
  
  #define raw_smp_processor_id()	(current_thread_info()->cpu)
  #define cpu_logical_map(cpu)	(cpu)
  
  struct start_info {
  	unsigned long stack;
  };
  extern struct start_info start_info;
  
  struct cpumask;
  void arch_send_call_function_ipi_mask(const struct cpumask *mask);
  void arch_send_call_function_single_ipi(int cpu);
  
  void smp_init_cpus(void);
  void secondary_init_irq(void);
  void ipi_init(void);
  struct seq_file;
  void show_ipi_list(struct seq_file *p, int prec);
  
  #ifdef CONFIG_HOTPLUG_CPU
  
  void __cpu_die(unsigned int cpu);
  int __cpu_disable(void);
  void cpu_die(void);
  void cpu_restart(void);
  
  #endif /* CONFIG_HOTPLUG_CPU */
  
  #endif /* CONFIG_SMP */
  
  #endif	/* _XTENSA_SMP_H */