From 43e6ae6d9f08304682294c14c6b7f2b2441668e7 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 17 Sep 2009 02:25:05 +0200 Subject: MIPS: Rewrite clearing of ll_bit on context switch in C This also means there is now only one implementation not 3 left. Signed-off-by: Ralf Baechle --- arch/mips/include/asm/system.h | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) (limited to 'arch/mips') diff --git a/arch/mips/include/asm/system.h b/arch/mips/include/asm/system.h index 23f68b40d4b..cc7262ff076 100644 --- a/arch/mips/include/asm/system.h +++ b/arch/mips/include/asm/system.h @@ -66,16 +66,11 @@ do { \ #define __mips_mt_fpaff_switch_to(prev) do { (void) (prev); } while (0) #endif -#ifdef CONFIG_CPU_HAS_LLSC -#define __clear_software_ll_bit() do { } while (0) -#else -extern unsigned long ll_bit; - #define __clear_software_ll_bit() \ do { \ - ll_bit = 0; \ + if (!__builtin_constant_p(cpu_has_llsc) || !cpu_has_llsc) \ + ll_bit = 0; \ } while (0) -#endif #define switch_to(prev, next, last) \ do { \ -- cgit v1.2.3