current.h 618 B

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  1. #ifndef _ASM_POWERPC_CURRENT_H
  2. #define _ASM_POWERPC_CURRENT_H
  3. #ifdef __KERNEL__
  4. /*
  5. * This program is free software; you can redistribute it and/or
  6. * modify it under the terms of the GNU General Public License
  7. * as published by the Free Software Foundation; either version
  8. * 2 of the License, or (at your option) any later version.
  9. */
  10. struct task_struct;
  11. #ifdef __powerpc64__
  12. #include <asm/paca.h>
  13. #define current (get_paca()->__current)
  14. #else
  15. /*
  16. * We keep `current' in r2 for speed.
  17. */
  18. register struct task_struct *current asm ("r2");
  19. #endif
  20. #endif /* __KERNEL__ */
  21. #endif /* _ASM_POWERPC_CURRENT_H */