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H A Dtraps.cdiff 265d6e588d87194c2fe2d6c240247f0264e0c19b Thu May 07 23:34:07 CDT 2020 Nicholas Piggin <npiggin@gmail.com> powerpc/traps: Make unrecoverable NMIs die instead of panic

System Reset and Machine Check interrupts that are not recoverable due
to being nested or interrupting when RI=0 currently panic. This is not
necessary, and can often just kill the current context and recover.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
Link: https://lore.kernel.org/r/20200508043408.886394-16-npiggin@gmail.com