diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arc/include/asm/barrier.h | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/arch/arc/include/asm/barrier.h b/arch/arc/include/asm/barrier.h deleted file mode 100644 index c32245c3d1e9..000000000000 --- a/arch/arc/include/asm/barrier.h +++ /dev/null | |||
@@ -1,37 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) | ||
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 | |||
9 | #ifndef __ASM_BARRIER_H | ||
10 | #define __ASM_BARRIER_H | ||
11 | |||
12 | #ifndef __ASSEMBLY__ | ||
13 | |||
14 | /* TODO-vineetg: Need to see what this does, don't we need sync anywhere */ | ||
15 | #define mb() __asm__ __volatile__ ("" : : : "memory") | ||
16 | #define rmb() mb() | ||
17 | #define wmb() mb() | ||
18 | #define set_mb(var, value) do { var = value; mb(); } while (0) | ||
19 | #define set_wmb(var, value) do { var = value; wmb(); } while (0) | ||
20 | #define read_barrier_depends() mb() | ||
21 | |||
22 | /* TODO-vineetg verify the correctness of macros here */ | ||
23 | #ifdef CONFIG_SMP | ||
24 | #define smp_mb() mb() | ||
25 | #define smp_rmb() rmb() | ||
26 | #define smp_wmb() wmb() | ||
27 | #else | ||
28 | #define smp_mb() barrier() | ||
29 | #define smp_rmb() barrier() | ||
30 | #define smp_wmb() barrier() | ||
31 | #endif | ||
32 | |||
33 | #define smp_read_barrier_depends() do { } while (0) | ||
34 | |||
35 | #endif | ||
36 | |||
37 | #endif | ||