[patch 38/44] x86_64: use generic bitops

Akinobu Mita
2006-02-01T09:04:09Z

[-- Attachment #1: x86_64.patch --]
[-- Type: text/plain, Size: 2614 bytes --]

- remove sched_find_first_bit()
- remove generic_hweight{64,32,16,8}()
- remove ext2_{set,clear,test,find_first_zero,find_next_zero}_bit()
- remove minix_{test,set,test_and_clear,test,find_first_zero}_bit()

Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
include/asm-x86_64/bitops.h | 42 ++++++------------------------------------
1 files changed, 6 insertions(+), 36 deletions(-)

Index: 2.6-git/include/asm-x86_64/bitops.h
===================================================================
--- 2.6-git.orig/include/asm-x86_64/bitops.h
+++ 2.6-git/include/asm-x86_64/bitops.h
@@ -356,14 +356,7 @@ static __inline__ unsigned long __fls(un

#ifdef __KERNEL__

-static inline int sched_find_first_bit(const unsigned long *b)
-{
- if (b[0])
- return __ffs(b[0]);
- if (b[1])
- return __ffs(b[1]) + 64;
- return __ffs(b[2]) + 128;
-}
+#include <asm-generic/bitops/sched.h>

/**
* ffs - find first bit set
@@ -412,43 +405,20 @@ static __inline__ int fls(int x)
return r+1;
}

-/**
- * hweightN - returns the hamming weight of a N-bit word
- * @x: the word to weigh
- *
- * The Hamming Weight of a number is the total number of bits set in it.
- */
-
-#define hweight64(x) generic_hweight64(x)
-#define hweight32(x) generic_hweight32(x)
-#define hweight16(x) generic_hweight16(x)
-#define hweight8(x) generic_hweight8(x)
+#include <asm-generic/bitops/hweight.h>

#endif /* __KERNEL__ */

#ifdef __KERNEL__

-#define ext2_set_bit(nr,addr) \
- __test_and_set_bit((nr),(unsigned long*)addr)
+#include <asm-generic/bitops/ext2-non-atomic.h>
+
#define ext2_set_bit_atomic(lock,nr,addr) \
test_and_set_bit((nr),(unsigned long*)addr)
-#define ext2_clear_bit(nr, addr) \
- __test_and_clear_bit((nr),(unsigned long*)addr)
#define ext2_clear_bit_atomic(lock,nr,addr) \
test_and_clear_bit((nr),(unsigned long*)addr)
-#define ext2_test_bit(nr, addr) test_bit((nr),(unsigned long*)addr)
-#define ext2_find_first_zero_bit(addr, size) \
- find_first_zero_bit((unsigned long*)addr, size)
-#define ext2_find_next_zero_bit(addr, size, off) \
- find_next_zero_bit((unsigned long*)addr, size, off)
-
-/* Bitmap functions for the minix filesystem. */
-#define minix_test_and_set_bit(nr,addr) __test_and_set_bit(nr,(void*)addr)
-#define minix_set_bit(nr,addr) __set_bit(nr,(void*)addr)
-#define minix_test_and_clear_bit(nr,addr) __test_and_clear_bit(nr,(void*)addr)
-#define minix_test_bit(nr,addr) test_bit(nr,(void*)addr)
-#define minix_find_first_zero_bit(addr,size) \
- find_first_zero_bit((void*)addr,size)
+
+#include <asm-generic/bitops/minix.h>

#endif /* __KERNEL__ */

--