release/src-rt-6.x.4708/linux/linux-2.6.36/include/asm-generic/bitops.h

   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/ext2-non-atomic.h>
  42 #include <asm-generic/bitops/ext2-atomic.h>
  43 #include <asm-generic/bitops/minix.h>
  44
  45 #endif /* __ASM_GENERIC_BITOPS_H */