From: Daniel Axtens <dja@axtens.net>
To: linuxppc-dev@ozlabs.org
Cc: mpe@ellerman.id.au, benh@kernel.crashing.org,
Daniel Axtens <dja@axtens.net>
Subject: [PATCH] powerpc: Set the correct kernel taint on machine check errors.
Date: Mon, 15 Jun 2015 13:25:19 +1000 [thread overview]
Message-ID: <1434338719-8416-1-git-send-email-dja@axtens.net> (raw)
This means the 'M' flag will work properly when the kernel prints a backtrace.
Signed-off-by: Daniel Axtens <dja@axtens.net>
---
arch/powerpc/kernel/traps.c | 2 ++
1 file changed, 2 insertions(+)
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;
--
2.1.4
next reply other threads:[~2015-06-15 3:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-15 3:25 Daniel Axtens [this message]
2015-06-24 5:00 ` [PATCH] powerpc: Set the correct kernel taint on machine check errors Michael Ellerman
2015-06-24 5:08 ` Daniel Axtens
2015-07-07 10:38 ` Michael Ellerman
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