mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 08:44:21 +08:00
9858c60cc2
bitops.h apparently suffered from some level of bitrot, it
was missing the smp_mb__{before,after}_clear_bit functions,
and included other headers in an invalid order.
This changes the file so that new architectures can use
it out of the box.
Signed-off-by: Remis Lima Baima <remis.developer@googlemail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
#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/ext2-non-atomic.h>
|
|
#include <asm-generic/bitops/ext2-atomic.h>
|
|
#include <asm-generic/bitops/minix.h>
|
|
|
|
#endif /* __ASM_GENERIC_BITOPS_H */
|