From c505217ca058aa4bcb0cba7bc6b2d228120b3e3e Mon Sep 17 00:00:00 2001 From: Sonic Zhang Date: Thu, 5 Aug 2010 07:58:15 +0000 Subject: [PATCH] Blackfin: kgdb: cache flushing is not safe in SMP mode Make sure we mark cache flushing as unsafe to kgdb in SMP mode so that kgdb doesn't flush things incorrectly on us. Signed-off-by: Sonic Zhang Signed-off-by: Mike Frysinger --- arch/blackfin/include/asm/kgdb.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/blackfin/include/asm/kgdb.h b/arch/blackfin/include/asm/kgdb.h index 8651afe..3ac0c72 100644 --- a/arch/blackfin/include/asm/kgdb.h +++ b/arch/blackfin/include/asm/kgdb.h @@ -103,7 +103,11 @@ static inline void arch_kgdb_breakpoint(void) asm("EXCPT 2;"); } #define BREAK_INSTR_SIZE 2 -#define CACHE_FLUSH_IS_SAFE 1 +#ifdef CONFIG_SMP +# define CACHE_FLUSH_IS_SAFE 0 +#else +# define CACHE_FLUSH_IS_SAFE 1 +#endif #define HW_INST_WATCHPOINT_NUM 6 #define HW_WATCHPOINT_NUM 8 #define TYPE_INST_WATCHPOINT 0 -- 2.7.4