From: Yi Li <yi.li@analog.com>
Date: Wed, 12 Aug 2009 23:05:35 +0000 (+0000)
Subject: Blackfin: do not trace the exception handler
X-Git-Tag: 2.1b_release~11436^2~25
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c4baebf2683d16f24a84a99268ef5f7318905337;p=platform%2Fkernel%2Fkernel-mfld-blackbay.git

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 0904430..7b3ba06 100644
--- 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;