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Blackfin: do not trace the exception handler
author
Yi Li
<yi.li@analog.com>
Wed, 12 Aug 2009 23:05:35 +0000
(23:05 +0000)
committer
Mike Frysinger
<vapier@gentoo.org>
Thu, 17 Sep 2009 02:10:23 +0000
(22:10 -0400)
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>
arch/blackfin/kernel/traps.c
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diff --git
a/arch/blackfin/kernel/traps.c
b/arch/blackfin/kernel/traps.c
index
0904430
..
7b3ba06
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;