From 27ea2c420cad57386c25668cb9a9f0f082635586 Mon Sep 17 00:00:00 2001 From: Daniel Axtens Date: Mon, 15 Jun 2015 13:25:19 +1000 Subject: powerpc: Set the correct kernel taint on machine check errors. This means the 'M' flag will work properly when the kernel prints a backtrace. Signed-off-by: Daniel Axtens Signed-off-by: Michael Ellerman --- arch/powerpc/kernel/traps.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/powerpc') diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 6530f1b..37de90f 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -297,6 +297,8 @@ long machine_check_early(struct pt_regs *regs) __this_cpu_inc(irq_stat.mce_exceptions); + add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE); + if (cur_cpu_spec && cur_cpu_spec->machine_check_early) handled = cur_cpu_spec->machine_check_early(regs); return handled; -- cgit v1.1