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 | |
| parent | 39f54862a935e14a448cbd68d6a6bef68d026dbe (diff) | |
| download | linux-bb9707077b4ee5f77bc9939b057ff8a0d410296f.tar.bz2 | |
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')
| -rw-r--r-- | tools/include/asm-generic/bitops/__ffs.h | 1 | ||||
| -rw-r--r-- | tools/include/asm-generic/bitops/atomic.h | 1 | ||||
| -rw-r--r-- | tools/include/asm-generic/bitsperlong.h | 25 | ||||
| -rw-r--r-- | tools/include/uapi/asm-generic/bitsperlong.h | 15 |
4 files changed, 42 insertions, 0 deletions
diff --git a/tools/include/asm-generic/bitops/__ffs.h b/tools/include/asm-generic/bitops/__ffs.h index c94175015a82..b3accfdf24b9 100644 --- a/tools/include/asm-generic/bitops/__ffs.h +++ b/tools/include/asm-generic/bitops/__ffs.h @@ -2,6 +2,7 @@ #define _TOOLS_LINUX_ASM_GENERIC_BITOPS___FFS_H_ #include <asm/types.h> +#include <asm/bitsperlong.h> /** * __ffs - find first bit in word. diff --git a/tools/include/asm-generic/bitops/atomic.h b/tools/include/asm-generic/bitops/atomic.h index 4bccd7c3d5d6..18663f59d72f 100644 --- a/tools/include/asm-generic/bitops/atomic.h +++ b/tools/include/asm-generic/bitops/atomic.h @@ -2,6 +2,7 @@ #define _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ #include <asm/types.h> +#include <asm/bitsperlong.h> static inline void set_bit(int nr, unsigned long *addr) { diff --git a/tools/include/asm-generic/bitsperlong.h b/tools/include/asm-generic/bitsperlong.h new file mode 100644 index 000000000000..d1d70aa19021 --- /dev/null +++ b/tools/include/asm-generic/bitsperlong.h @@ -0,0 +1,25 @@ +#ifndef __ASM_GENERIC_BITS_PER_LONG +#define __ASM_GENERIC_BITS_PER_LONG + +#include <uapi/asm-generic/bitsperlong.h> + + +#ifdef CONFIG_64BIT +#define BITS_PER_LONG 64 +#else +#define BITS_PER_LONG 32 +#endif /* CONFIG_64BIT */ + +/* + * FIXME: The check currently breaks x86-64 build, so it's + * temporarily disabled. Please fix x86-64 and reenable + */ +#if 0 && BITS_PER_LONG != __BITS_PER_LONG +#error Inconsistent word size. Check asm/bitsperlong.h +#endif + +#ifndef BITS_PER_LONG_LONG +#define BITS_PER_LONG_LONG 64 +#endif + +#endif /* __ASM_GENERIC_BITS_PER_LONG */ 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 */ |