From cc92b870a779500f444419f27bf73c6c7660ff9c Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Wed, 7 Jan 2009 23:14:38 +0800 Subject: Blackfin arch: disable pthread stack check for SMP at runtime Signed-off-by: Sonic Zhang Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/system.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'arch/blackfin/include/asm/system.h') diff --git a/arch/blackfin/include/asm/system.h b/arch/blackfin/include/asm/system.h index aa7d87b62b28..812e6e6e2cee 100644 --- a/arch/blackfin/include/asm/system.h +++ b/arch/blackfin/include/asm/system.h @@ -197,6 +197,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, asmlinkage struct task_struct *resume(struct task_struct *prev, struct task_struct *next); +#ifndef CONFIG_SMP #define switch_to(prev,next,last) \ do { \ memcpy (&task_thread_info(prev)->l1_task_info, L1_SCRATCH_TASK_INFO, \ @@ -205,5 +206,11 @@ do { \ sizeof *L1_SCRATCH_TASK_INFO); \ (last) = resume (prev, next); \ } while (0) +#else +#define switch_to(prev, next, last) \ +do { \ + (last) = resume(prev, next); \ +} while (0) +#endif #endif /* _BLACKFIN_SYSTEM_H */ -- cgit v1.2.3