Blackfin: do not trace the exception handler

Since the exception handler cannot cause exceptions, we cannot trace it
without easily causing double faults and crashing the system.

Signed-off-by: Yi Li <yi.li@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 0904430d4137e21619e14169ec42466ad1c0e1bc..7b3ba06e10adc791b8fe5294b9ea0352d7804a34 100644 (file)
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -257,7 +257,7 @@ static int kernel_mode_regs(struct pt_regs *regs)
        return regs->ipend & 0xffc0;
 }
 
-asmlinkage void trap_c(struct pt_regs *fp)
+asmlinkage notrace void trap_c(struct pt_regs *fp)
 {
 #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON
        int j;