linux-kernel - [PATCH 50/72] Blackfin: do not trace the exception handler

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Date:	Mon, 14 Sep 2009 16:07:54 -0400
From:	Mike Frysinger <vapier@...too.org>
To:	linux-kernel@...r.kernel.org
Cc:	uclinux-dist-devel@...ckfin.uclinux.org, Yi Li <yi.li@...log.com>
Subject: [PATCH 50/72] Blackfin: do not trace the exception handler

From: Yi Li <yi.li@...log.com>

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@...log.com>
Signed-off-by: Mike Frysinger <vapier@...too.org>
---
 arch/blackfin/kernel/traps.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

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;
-- 
1.6.4.2

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