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powerpc: Set the correct kernel taint on machine check errors.

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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>
This commit is contained in:
Daniel Axtens 2015-06-15 13:25:19 +10:00 committed by Michael Ellerman
parent 14f21189df
commit 27ea2c420c
1 changed files with 2 additions and 0 deletions
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arch/powerpc/kernel/traps.c
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@ -297,6 +297,8 @@ long machine_check_early(struct pt_regs *regs)
__this_cpu_inc(irq_stat.mce_exceptions); __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) if (cur_cpu_spec && cur_cpu_spec->machine_check_early)
handled = cur_cpu_spec->machine_check_early(regs); handled = cur_cpu_spec->machine_check_early(regs);
return handled; return handled;