Messages in this thread Patch in this message | | | Date | Tue, 1 Apr 2008 17:41:26 +0200 | From | Alexander van Heukelum <> | Subject | [PATCH] x86: switch x86_64 to generic find_first_bit |
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[PATCH] x86: switch x86_64 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>
--- arch/x86/Kconfig | 2 +- arch/x86/lib/bitops_64.c | 2 ++ 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 fa7d16d..e37e286 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -81,7 +81,7 @@ 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 0eeb704..568467d 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 d133520..4081d7e 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) -- 1.5.2.5
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