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kernel/linux-imx6_3.14.28/include/asm-generic/bitops.h 1.21 KB
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  #ifndef __ASM_GENERIC_BITOPS_H
  #define __ASM_GENERIC_BITOPS_H
  
  /*
   * For the benefit of those who are trying to port Linux to another
   * architecture, here are some C-language equivalents.  You should
   * recode these in the native assembly language, if at all possible.
   *
   * C language equivalents written by Theodore Ts'o, 9/26/92
   */
  
  #include <linux/irqflags.h>
  #include <linux/compiler.h>
  
  /*
   * clear_bit may not imply a memory barrier
   */
  #ifndef smp_mb__before_clear_bit
  #define smp_mb__before_clear_bit()	smp_mb()
  #define smp_mb__after_clear_bit()	smp_mb()
  #endif
  
  #include <asm-generic/bitops/__ffs.h>
  #include <asm-generic/bitops/ffz.h>
  #include <asm-generic/bitops/fls.h>
  #include <asm-generic/bitops/__fls.h>
  #include <asm-generic/bitops/fls64.h>
  #include <asm-generic/bitops/find.h>
  
  #ifndef _LINUX_BITOPS_H
  #error only <linux/bitops.h> can be included directly
  #endif
  
  #include <asm-generic/bitops/sched.h>
  #include <asm-generic/bitops/ffs.h>
  #include <asm-generic/bitops/hweight.h>
  #include <asm-generic/bitops/lock.h>
  
  #include <asm-generic/bitops/atomic.h>
  #include <asm-generic/bitops/non-atomic.h>
  #include <asm-generic/bitops/le.h>
  #include <asm-generic/bitops/ext2-atomic.h>
  
  #endif /* __ASM_GENERIC_BITOPS_H */