diff options
| -rw-r--r-- | tools/include/asm-generic/barrier.h | 44 | ||||
| -rw-r--r-- | tools/perf/MANIFEST | 1 |
2 files changed, 45 insertions, 0 deletions
diff --git a/tools/include/asm-generic/barrier.h b/tools/include/asm-generic/barrier.h new file mode 100644 index 000000000000..47b933903eaf --- /dev/null +++ b/tools/include/asm-generic/barrier.h @@ -0,0 +1,44 @@ +/* + * Copied from the kernel sources to tools/perf/: + * + * Generic barrier definitions, originally based on MN10300 definitions. + * + * It should be possible to use these on really simple architectures, + * but it serves more as a starting point for new ports. + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#ifndef __TOOLS_LINUX_ASM_GENERIC_BARRIER_H +#define __TOOLS_LINUX_ASM_GENERIC_BARRIER_H + +#ifndef __ASSEMBLY__ + +#include <linux/compiler.h> + +/* + * Force strict CPU ordering. And yes, this is required on UP too when we're + * talking to devices. + * + * Fall back to compiler barriers if nothing better is provided. + */ + +#ifndef mb +#define mb() barrier() +#endif + +#ifndef rmb +#define rmb() mb() +#endif + +#ifndef wmb +#define wmb() mb() +#endif + +#endif /* !__ASSEMBLY__ */ +#endif /* __TOOLS_LINUX_ASM_GENERIC_BARRIER_H */ diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 00754afb4866..ac62cafa62ec 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -11,6 +11,7 @@ tools/lib/symbol/kallsyms.h tools/lib/util/find_next_bit.c tools/include/asm/barrier.h tools/include/asm/bug.h +tools/include/asm-generic/barrier.h tools/include/asm-generic/bitops/arch_hweight.h tools/include/asm-generic/bitops/atomic.h tools/include/asm-generic/bitops/const_hweight.h |