powerpc: Set the correct kernel taint on machine check errors.
authorDaniel Axtens <dja@axtens.net>
Mon, 15 Jun 2015 03:25:19 +0000 (13:25 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 6 Jul 2015 10:24:35 +0000 (20:24 +1000)
This means the 'M' flag will work properly when the kernel prints a backtrace.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/kernel/traps.c

index 6530f1b..37de90f 100644 (file)
@@ -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;