[PATCH] bitops: i386: use generic bitops

- remove generic_fls64()
- remove sched_find_first_bit()
- remove generic_hweight{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>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index b008fb0cd7b7faa4c6114d6a49fa632522108edc..f7db71d0b913ed6408480cdf1d4facb4ead77ec1 100644 (file)
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -37,6 +37,10 @@ config GENERIC_IOMAP
        bool
        default y
 
+config GENERIC_HWEIGHT
+       bool
+       default y
+
 config ARCH_MAY_HAVE_PC_FDC
        bool
        default y

diff --git a/include/asm-i386/bitops.h b/include/asm-i386/bitops.h
index 7d20b95edb3bcc1942d0e4fb0237a6534af3b227..08deaeee6be971cd362fc8f57bf62add9a533882 100644 (file)
--- a/include/asm-i386/bitops.h
+++ b/include/asm-i386/bitops.h
@@ -362,28 +362,9 @@ static inline unsigned long ffz(unsigned long word)
        return word;
 }
 
-#define fls64(x)   generic_fls64(x)
-
 #ifdef __KERNEL__
 
-/*
- * Every architecture must define this function. It's the fastest
- * way of searching a 140-bit bitmap where the first 100 bits are
- * unlikely to be set. It's guaranteed that at least one of the 140
- * bits is cleared.
- */
-static inline int sched_find_first_bit(const unsigned long *b)
-{
-       if (unlikely(b[0]))
-               return __ffs(b[0]);
-       if (unlikely(b[1]))
-               return __ffs(b[1]) + 32;
-       if (unlikely(b[2]))
-               return __ffs(b[2]) + 64;
-       if (b[3])
-               return __ffs(b[3]) + 96;
-       return __ffs(b[4]) + 128;
-}
+#include <asm-generic/bitops/sched.h>
 
 /**
  * ffs - find first bit set
@@ -421,42 +402,22 @@ 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 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__ */
 
+#include <asm-generic/bitops/fls64.h>
+
 #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__ */