From: Daniel Axtens Date: Mon, 15 Jun 2015 03:25:19 +0000 (+1000) Subject: powerpc: Set the correct kernel taint on machine check errors. X-Git-Tag: v4.2-rc2~17^2~11 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=27ea2c420cad57386c25668cb9a9f0f082635586;p=karo-tx-linux.git 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 --- diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 6530f1b8874d..37de90f8a845 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;