diff options
Diffstat (limited to 'arch/arc/include/asm/barrier.h')
| -rw-r--r-- | arch/arc/include/asm/barrier.h | 42 | 
1 files changed, 0 insertions, 42 deletions
diff --git a/arch/arc/include/asm/barrier.h b/arch/arc/include/asm/barrier.h deleted file mode 100644 index f6cb7c4ffb3..00000000000 --- a/arch/arc/include/asm/barrier.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ASM_BARRIER_H -#define __ASM_BARRIER_H - -#ifndef __ASSEMBLY__ - -/* TODO-vineetg: Need to see what this does, don't we need sync anywhere */ -#define mb() __asm__ __volatile__ ("" : : : "memory") -#define rmb() mb() -#define wmb() mb() -#define set_mb(var, value)  do { var = value; mb(); } while (0) -#define set_wmb(var, value) do { var = value; wmb(); } while (0) -#define read_barrier_depends()  mb() - -/* TODO-vineetg verify the correctness of macros here */ -#ifdef CONFIG_SMP -#define smp_mb()        mb() -#define smp_rmb()       rmb() -#define smp_wmb()       wmb() -#else -#define smp_mb()        barrier() -#define smp_rmb()       barrier() -#define smp_wmb()       barrier() -#endif - -#define smp_mb__before_atomic_dec()	barrier() -#define smp_mb__after_atomic_dec()	barrier() -#define smp_mb__before_atomic_inc()	barrier() -#define smp_mb__after_atomic_inc()	barrier() - -#define smp_read_barrier_depends()      do { } while (0) - -#endif - -#endif  | 
