powerpc: Use patch_exception to update the debug exception handler (565c2f24) · Commits · 戴 / test

arch/powerpc/kernel/setup_64.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -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()