tree 1a82712492edccfd173aedab6080c9e90fac878a
parent f54db39fbe40731c40aefdd3bc26e7d56d668c64
author Nicholas Piggin <npiggin@gmail.com> 1606547241 +1000
committer Michael Ellerman <mpe@ellerman.id.au> 1606911400 +1100

powerpc/64s/powernv: Fix memory corruption when saving SLB entries on MCE

This can be hit by an HPT guest running on an HPT host and bring down
the host, so it's quite important to fix.

Fixes: 7290f3b3d3e6 ("powerpc/64s/powernv: machine check dump SLB contents")
Cc: stable@vger.kernel.org # v5.4+
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Acked-by: Mahesh Salgaonkar <mahesh@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201128070728.825934-2-npiggin@gmail.com