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authorArnd Bergmann <arnd@arndb.de>2009-05-13 22:56:25 +0000
committerArnd Bergmann <arnd@klappe2.(none)>2009-06-11 21:02:14 +0200
commitc31ae4bb4a9fa4606a74c0a4fb61b74f804e861e (patch)
tree7694b1a05bc1ac660ac26eb9997200556ccd3933 /include/asm-generic/int-ll64.h
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/int-ll64.h')
-rw-r--r--include/asm-generic/int-ll64.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-generic/int-ll64.h b/include/asm-generic/int-ll64.h
index f9bc9ac29b3..f394147c073 100644
--- a/include/asm-generic/int-ll64.h
+++ b/include/asm-generic/int-ll64.h
@@ -8,6 +8,8 @@
#ifndef _ASM_GENERIC_INT_LL64_H
#define _ASM_GENERIC_INT_LL64_H
+#include <asm/bitsperlong.h>
+
#ifndef __ASSEMBLY__
/*
* __xx is ok: it doesn't pollute the POSIX namespace. Use these in the