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