linux/include/asm-generic/bitops.h
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   1#ifndef __ASM_GENERIC_BITOPS_H
   2#define __ASM_GENERIC_BITOPS_H
   3
   4/*
   5 * For the benefit of those who are trying to port Linux to another
   6 * architecture, here are some C-language equivalents.  You should
   7 * recode these in the native assembly language, if at all possible.
   8 *
   9 * C language equivalents written by Theodore Ts'o, 9/26/92
  10 */
  11
  12#include <linux/irqflags.h>
  13#include <linux/compiler.h>
  14
  15/*
  16 * clear_bit may not imply a memory barrier
  17 */
  18#ifndef smp_mb__before_clear_bit
  19#define smp_mb__before_clear_bit()      smp_mb()
  20#define smp_mb__after_clear_bit()       smp_mb()
  21#endif
  22
  23#include <asm-generic/bitops/__ffs.h>
  24#include <asm-generic/bitops/ffz.h>
  25#include <asm-generic/bitops/fls.h>
  26#include <asm-generic/bitops/__fls.h>
  27#include <asm-generic/bitops/fls64.h>
  28#include <asm-generic/bitops/find.h>
  29
  30#ifndef _LINUX_BITOPS_H
  31#error only <linux/bitops.h> can be included directly
  32#endif
  33
  34#include <asm-generic/bitops/sched.h>
  35#include <asm-generic/bitops/ffs.h>
  36#include <asm-generic/bitops/hweight.h>
  37#include <asm-generic/bitops/lock.h>
  38
  39#include <asm-generic/bitops/atomic.h>
  40#include <asm-generic/bitops/non-atomic.h>
  41#include <asm-generic/bitops/le.h>
  42#include <asm-generic/bitops/ext2-atomic.h>
  43
  44#endif /* __ASM_GENERIC_BITOPS_H */
  45
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