From 2aba6925fdb96428d1129a61b1233597a03a387b Mon Sep 17 00:00:00 2001 From: Alexander van Heukelum Date: Tue, 1 Apr 2008 17:41:26 +0200 Subject: [PATCH] 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 Signed-off-by: Ingo Molnar --- arch/x86/Kconfig | 2 +- arch/x86/lib/bitops_64.c | 2 ++ include/asm-x86/bitops_64.h | 2 ++ 3 files changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 1a69b68ff6c..700447738e7 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 0eeb704d251..568467d390c 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 #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 d1335208719..4081d7ecc2b 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) -- 2.41.1