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MIPS: Rewrite clearing of ll_bit on context switch in C

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This also means there is now only one implementation not 3 left.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2009-09-17 02:25:05 +02:00
parent f1e39a4a61
commit 43e6ae6d9f
1 changed files with 2 additions and 7 deletions
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7
arch/mips/include/asm/system.h
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@@ -66,16 +66,11 @@ do { \
#define __mips_mt_fpaff_switch_to(prev) do { (void) (prev); } while (0) #define __mips_mt_fpaff_switch_to(prev) do { (void) (prev); } while (0)
#endif #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() \ #define __clear_software_ll_bit() \
do { \ do { \
if (!__builtin_constant_p(cpu_has_llsc) || !cpu_has_llsc) \
ll_bit = 0; \ ll_bit = 0; \
} while (0) } while (0)
#endif
#define switch_to(prev, next, last) \ #define switch_to(prev, next, last) \
do { \ do { \