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| author | David S. Miller <davem@davemloft.net> | 2012-04-10 20:30:45 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-04-10 20:30:45 +0200 |
| commit | 06eb4eafbdc0796d741d139a44f1253278da8611 (patch) | |
| tree | fbdb44317130c371928154c9e6903e699fe2b995 /arch/c6x/include/asm/barrier.h | |
| parent | wiznet: Fix Kconfig dependencies. (diff) | |
| parent | Make the "word-at-a-time" helper functions more commonly usable (diff) | |
| download | linux-06eb4eafbdc0796d741d139a44f1253278da8611.tar.xz linux-06eb4eafbdc0796d741d139a44f1253278da8611.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/c6x/include/asm/barrier.h')
| -rw-r--r-- | arch/c6x/include/asm/barrier.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/c6x/include/asm/barrier.h b/arch/c6x/include/asm/barrier.h new file mode 100644 index 000000000000..538240e85909 --- /dev/null +++ b/arch/c6x/include/asm/barrier.h @@ -0,0 +1,27 @@ +/* + * Port on Texas Instruments TMS320C6x architecture + * + * Copyright (C) 2004, 2009, 2010, 2011 Texas Instruments Incorporated + * Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.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_C6X_BARRIER_H +#define _ASM_C6X_BARRIER_H + +#define nop() asm("NOP\n"); + +#define mb() barrier() +#define rmb() barrier() +#define wmb() barrier() +#define set_mb(var, value) do { var = value; mb(); } while (0) +#define set_wmb(var, value) do { var = value; wmb(); } while (0) + +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while (0) + +#endif /* _ASM_C6X_BARRIER_H */ |