diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-07-12 11:12:18 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-07-12 15:20:39 -0300 |
| commit | bb9707077b4ee5f77bc9939b057ff8a0d410296f (patch) | |
| tree | 5d532c5066c0b7e40948a44f6cab11cb3b8d6e61 /tools/include/uapi | |
| parent | 39f54862a935e14a448cbd68d6a6bef68d026dbe (diff) | |
tools: Copy the bitsperlong.h files from the kernel
We use it in bitops/__ffs.h and bitops/atomic.h, that we also got from
the kernel, but were getting it from either newer systems that carry it
in /usr/include, or from the kernel sources, that we decided not to
touch from tools/ code. Fix it.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-lwqvgbuitjmrdpjmjp6zqnyx@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/include/uapi')
| -rw-r--r-- | tools/include/uapi/asm-generic/bitsperlong.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/include/uapi/asm-generic/bitsperlong.h b/tools/include/uapi/asm-generic/bitsperlong.h new file mode 100644 index 000000000000..23e6c416b85f --- /dev/null +++ b/tools/include/uapi/asm-generic/bitsperlong.h @@ -0,0 +1,15 @@ +#ifndef _UAPI__ASM_GENERIC_BITS_PER_LONG +#define _UAPI__ASM_GENERIC_BITS_PER_LONG + +/* + * There seems to be no way of detecting this automatically from user + * space, so 64 bit architectures should override this in their + * bitsperlong.h. In particular, an architecture that supports + * both 32 and 64 bit user space must not rely on CONFIG_64BIT + * to decide it, but rather check a compiler provided macro. + */ +#ifndef __BITS_PER_LONG +#define __BITS_PER_LONG 32 +#endif + +#endif /* _UAPI__ASM_GENERIC_BITS_PER_LONG */ |