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| H A D | traps.c | diff c538938fa2cfdc806c6304888e3876729e6939e0 Sat Jan 30 07:08:34 CST 2021 Nicholas Piggin <npiggin@gmail.com> powerpc/mce: ensure machine check handler always tests RI
A machine check that is handled must still check MSR[RI] for
recoverability of the interrupted context. Without this patch
it's possible for a handled machine check to return to a
context where it has clobbered live registers.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210130130852.2952424-25-npiggin@gmail.com
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