LXR linux/arch/arm64/include/asm/bitops.h

   1/*
   2 * Copyright (C) 2012 ARM Ltd.
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License version 2 as
   6 * published by the Free Software Foundation.
   7 *
   8 * This program is distributed in the hope that it will be useful,
   9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 * GNU General Public License for more details.
  12 *
  13 * You should have received a copy of the GNU General Public License
  14 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15 */
  16#ifndef __ASM_BITOPS_H
  17#define __ASM_BITOPS_H
  18
  19#include <linux/compiler.h>
  20
  21#include <asm/barrier.h>
  22
  23/*
  24 * clear_bit may not imply a memory barrier
  25 */
  26#ifndef smp_mb__before_clear_bit
  27#define smp_mb__before_clear_bit()      smp_mb()
  28#define smp_mb__after_clear_bit()       smp_mb()
  29#endif
  30
  31#ifndef _LINUX_BITOPS_H
  32#error only <linux/bitops.h> can be included directly
  33#endif
  34
  35#include <asm-generic/bitops/builtin-__ffs.h>
  36#include <asm-generic/bitops/builtin-ffs.h>
  37#include <asm-generic/bitops/builtin-__fls.h>
  38#include <asm-generic/bitops/builtin-fls.h>
  39
  40#include <asm-generic/bitops/ffz.h>
  41#include <asm-generic/bitops/fls64.h>
  42#include <asm-generic/bitops/find.h>
  43
  44#include <asm-generic/bitops/sched.h>
  45#include <asm-generic/bitops/hweight.h>
  46#include <asm-generic/bitops/lock.h>
  47
  48#include <asm-generic/bitops/atomic.h>
  49#include <asm-generic/bitops/non-atomic.h>
  50#include <asm-generic/bitops/le.h>
  51#include <asm-generic/bitops/ext2-atomic.h>
  52
  53#endif /* __ASM_BITOPS_H */
  54