powerpc: Use patch_exception to update the debug exception handler

Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Kevin Hao 2013-05-12 07:26:23 +08:00 committed by Benjamin Herrenschmidt
parent 1e8341ae0c
commit 565c2f249a

View File

@ -520,9 +520,6 @@ static void __init irqstack_early_init(void)
#ifdef CONFIG_PPC_BOOK3E
static void __init exc_lvl_early_init(void)
{
extern unsigned int interrupt_base_book3e;
extern unsigned int exc_debug_debug_book3e;
unsigned int i;
for_each_possible_cpu(i) {
@ -535,8 +532,7 @@ static void __init exc_lvl_early_init(void)
}
if (cpu_has_feature(CPU_FTR_DEBUG_LVL_EXC))
patch_branch(&interrupt_base_book3e + (0x040 / 4) + 1,
(unsigned long)&exc_debug_debug_book3e, 0);
patch_exception(0x040, exc_debug_debug_book3e);
}
#else
#define exc_lvl_early_init()