K2LL33D SHELL

 Apache/2.4.7 (Ubuntu)
 Linux sman1baleendah 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64
 uid=33(www-data) gid=33(www-data) groups=33(www-data)
 safemode : OFF
 MySQL: ON | Perl: ON | cURL: OFF | WGet: ON
  >  / usr / src / linux-headers-3.13.0-24 / arch / blackfin / include / asm / 		server ip : 172.67.156.115

your ip : 172.71.254.52

H O M E


Filename/usr/src/linux-headers-3.13.0-24/arch/blackfin/include/asm/barrier.h
Size1.19 kb
Permissionrw-r--r--
Ownerroot : root
Create time27-Apr-2025 09:50
Last modified20-Jan-2014 10:40
Last accessed06-Jul-2025 21:58
Actionsedit | rename | delete | download (gzip)
Viewtext | code | image
/*
* Copyright 2004-2009 Analog Devices Inc.
* Tony Kou ([email protected])
*
* Licensed under the GPL-2 or later
*/

#ifndef _BLACKFIN_BARRIER_H
#define _BLACKFIN_BARRIER_H

#include <asm/cache.h>

#define nop() __asm__ __volatile__ ("nop;\n\t" : : )

/*
* Force strict CPU ordering.
*/
#ifdef CONFIG_SMP

#ifdef __ARCH_SYNC_CORE_DCACHE
/* Force Core data cache coherence */
# define mb() do { barrier(); smp_check_barrier(); smp_mark_barrier(); } while (0)
# define rmb() do { barrier(); smp_check_barrier(); } while (0)
# define wmb() do { barrier(); smp_mark_barrier(); } while (0)
# define read_barrier_depends() do { barrier(); smp_check_barrier(); } while (0)
#else
# define mb() barrier()
# define rmb() barrier()
# define wmb() barrier()
# define read_barrier_depends() do { } while (0)
#endif

#else /* !CONFIG_SMP */

#define mb() barrier()
#define rmb() barrier()
#define wmb() barrier()
#define read_barrier_depends() do { } while (0)

#endif /* !CONFIG_SMP */

#define smp_mb() mb()
#define smp_rmb() rmb()
#define smp_wmb() wmb()
#define set_mb(var, value) do { var = value; mb(); } while (0)
#define smp_read_barrier_depends() read_barrier_depends()

#endif /* _BLACKFIN_BARRIER_H */