release/src-rt-6.x.4708/linux/linux-2.6.36/arch/x86/include/asm/current.h

   1 #ifndef _ASM_X86_CURRENT_H
   2 #define _ASM_X86_CURRENT_H
   3
   4 #include <linux/compiler.h>
   5 #include <asm/percpu.h>
   6
   7 #ifndef __ASSEMBLY__
   8 struct task_struct;
   9
  10 DECLARE_PER_CPU(struct task_struct *, current_task);
  11
  12 static __always_inline struct task_struct *get_current(void)
  13 {
  14         return percpu_read_stable(current_task);
  15 }
  16
  17 #define current get_current()
  18
  19 #endif /* __ASSEMBLY__ */
  20
  21 #endif /* _ASM_X86_CURRENT_H */