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| author | Alexander van Heukelum <heukelum@mailshack.com> | 2008-04-01 17:47:57 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-26 19:21:17 +0200 |
| commit | 5245698f665c4b7a533dcc47a5afdf33095d436a (patch) | |
| tree | 5e417154f181e523c8491ec263eb71fbaf8ec0da /include/asm-x86/bitops_64.h | |
| parent | x86: optimize find_first_bit for small bitmaps (diff) | |
| download | linux-5245698f665c4b7a533dcc47a5afdf33095d436a.tar.xz linux-5245698f665c4b7a533dcc47a5afdf33095d436a.zip | |
x86, UML: remove x86-specific implementations of find_first_bit
x86 has been switched to the generic versions of find_first_bit
and find_first_zero_bit, but the original versions were retained.
This patch just removes the now unused x86-specific versions.
also update UML.
Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/bitops_64.h')
| -rw-r--r-- | include/asm-x86/bitops_64.h | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/include/asm-x86/bitops_64.h b/include/asm-x86/bitops_64.h index 4081d7ecc2bd..cb23122d23f1 100644 --- a/include/asm-x86/bitops_64.h +++ b/include/asm-x86/bitops_64.h @@ -4,29 +4,6 @@ /* * Copyright 1992, Linus Torvalds. */ - -#ifndef CONFIG_GENERIC_FIND_FIRST_BIT -extern long find_first_zero_bit(const unsigned long *addr, unsigned long size); -extern long find_first_bit(const unsigned long *addr, unsigned long size); - -/* return index of first bet set in val or max when no bit is set */ -static inline long __scanbit(unsigned long val, unsigned long max) -{ - asm("bsfq %1,%0 ; cmovz %2,%0" : "=&r" (val) : "r" (val), "r" (max)); - return val; -} - -#define find_first_bit(addr, size) \ - ((__builtin_constant_p((size)) && (size) <= BITS_PER_LONG \ - ? (__scanbit(*(unsigned long *)(addr), (size))) \ - : find_first_bit((addr), (size)))) - -#define find_first_zero_bit(addr, size) \ - ((__builtin_constant_p((size)) && (size) <= BITS_PER_LONG \ - ? (__scanbit(~*(unsigned long *)(addr), (size))) \ - : find_first_zero_bit((addr), (size)))) -#endif - static inline void set_bit_string(unsigned long *bitmap, unsigned long i, int len) { |