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authorArnd Bergmann <arnd@arndb.de>2009-05-13 18:56:25 -0400
committerArnd Bergmann <arnd@klappe2.(none)>2009-06-11 15:02:14 -0400
commitc31ae4bb4a9fa4606a74c0a4fb61b74f804e861e (patch)
tree7694b1a05bc1ac660ac26eb9997200556ccd3933 /include/asm-generic/Kbuild
parent63b852a6b67d0820d388b0ecd0da83ccb4048b8d (diff)
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 'include/asm-generic/Kbuild')
-rw-r--r--include/asm-generic/Kbuild1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild
index 460b08d51e2e..cbb437875f5c 100644
--- a/include/asm-generic/Kbuild
+++ b/include/asm-generic/Kbuild
@@ -1,3 +1,4 @@
1header-y += bitsperlong.h
1header-y += errno-base.h 2header-y += errno-base.h
2header-y += errno.h 3header-y += errno.h
3header-y += fcntl.h 4header-y += fcntl.h