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| author | Alexander van Heukelum <heukelum@mailshack.com> | 2008-04-01 17:41:26 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-26 19:21:16 +0200 |
| commit | 2aba6925fdb96428d1129a61b1233597a03a387b (patch) | |
| tree | 9ab7d292e681012c43671dd207b20e2c6a10ebcb | |
| parent | 77b9bd9c49442407804c37bcc82021a35277f83c (diff) | |
| download | linux-2aba6925fdb96428d1129a61b1233597a03a387b.tar.gz linux-2aba6925fdb96428d1129a61b1233597a03a387b.tar.bz2 linux-2aba6925fdb96428d1129a61b1233597a03a387b.zip | |
x86: switch 64-bit to generic find_first_bit
Switch x86_64 to generic find_first_bit. The x86_64-specific
implementation is not removed.
Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/Kconfig | 2 | ||||
| -rw-r--r-- | arch/x86/lib/bitops_64.c | 2 | ||||
| -rw-r--r-- | include/asm-x86/bitops_64.h | 2 |
3 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 1a69b68ff6cc..700447738e73 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -78,7 +78,7 @@ config GENERIC_BUG depends on BUG config GENERIC_FIND_FIRST_BIT - def_bool X86_32 + def_bool y config GENERIC_FIND_NEXT_BIT def_bool y diff --git a/arch/x86/lib/bitops_64.c b/arch/x86/lib/bitops_64.c index 0eeb704d2513..568467d390c0 100644 --- a/arch/x86/lib/bitops_64.c +++ b/arch/x86/lib/bitops_64.c @@ -1,3 +1,4 @@ +#ifndef CONFIG_GENERIC_FIND_FIRST_BIT #include <linux/bitops.h> #undef find_first_zero_bit @@ -105,3 +106,4 @@ long find_first_bit(const unsigned long * addr, unsigned long size) EXPORT_SYMBOL(find_first_bit); EXPORT_SYMBOL(find_first_zero_bit); +#endif diff --git a/include/asm-x86/bitops_64.h b/include/asm-x86/bitops_64.h index d13352087191..4081d7ecc2bd 100644 --- a/include/asm-x86/bitops_64.h +++ b/include/asm-x86/bitops_64.h @@ -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) |