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x86: switch 64-bit to generic find_first_bit

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Switch x86_64 to generic find_first_bit. The x86_64-specific
implementation is not removed.

Signed-off-by: Alexander van Heukelum <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Alexander van Heukelum 2008-04-01 17:41:26 +02:00 • committed by Ingo Molnar
commit 2aba6925fd
3 changed files with 5 additions and 1 deletions
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2
include/asm-x86/bitops_64.h
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@ -5,6 +5,7 @@
* 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);
@ -24,6 +25,7 @@ static inline long __scanbit(unsigned long val, unsigned long max)
((__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)