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| author | Arnd Bergmann <arnd@arndb.de> | 2009-05-13 22:56:25 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@klappe2.(none)> | 2009-06-11 21:02:14 +0200 |
| commit | c31ae4bb4a9fa4606a74c0a4fb61b74f804e861e (patch) | |
| tree | 7694b1a05bc1ac660ac26eb9997200556ccd3933 /arch/mips/include | |
| parent | 63b852a6b67d0820d388b0ecd0da83ccb4048b8d (diff) | |
| download | linux-c31ae4bb4a9fa4606a74c0a4fb61b74f804e861e.tar.bz2 | |
asm-generic: introduce asm/bitsperlong.h
This provides a reliable way for asm-generic/types.h and other
files to find out if it is running on a 32 or 64 bit platform.
We cannot use CONFIG_64BIT for this in headers that are included
from user space because CONFIG symbols are not available there.
We also cannot do it inside of asm/types.h because some headers
need the word size but cannot include types.h.
The solution is to introduce a new header <asm/bitsperlong.h>
that defines both __BITS_PER_LONG for user space and
BITS_PER_LONG for usage in the kernel. The asm-generic
version falls back to 32 bit unless the architecture overrides
it, which I did for all 64 bit platforms.
Signed-off-by: Remis Lima Baima <remis.developer@googlemail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/mips/include')
| -rw-r--r-- | arch/mips/include/asm/bitsperlong.h | 8 | ||||
| -rw-r--r-- | arch/mips/include/asm/types.h | 3 |
2 files changed, 8 insertions, 3 deletions
diff --git a/arch/mips/include/asm/bitsperlong.h b/arch/mips/include/asm/bitsperlong.h new file mode 100644 index 000000000000..3e4c10a8e787 --- /dev/null +++ b/arch/mips/include/asm/bitsperlong.h @@ -0,0 +1,8 @@ +#ifndef __ASM_MIPS_BITSPERLONG_H +#define __ASM_MIPS_BITSPERLONG_H + +#define __BITS_PER_LONG _MIPS_SZLONG + +#include <asm-generic/bitsperlong.h> + +#endif /* __ASM_MIPS_BITSPERLONG_H */ diff --git a/arch/mips/include/asm/types.h b/arch/mips/include/asm/types.h index 7956e69a3bd5..544a2854598f 100644 --- a/arch/mips/include/asm/types.h +++ b/arch/mips/include/asm/types.h @@ -31,9 +31,6 @@ typedef unsigned short umode_t; * These aren't exported outside the kernel to avoid name space clashes */ #ifdef __KERNEL__ - -#define BITS_PER_LONG _MIPS_SZLONG - #ifndef __ASSEMBLY__ #if (defined(CONFIG_HIGHMEM) && defined(CONFIG_64BIT_PHYS_ADDR)) \ |