The hypervisor always sets AMOR to ~0, but let's ensure we're not
passing stale values around.
Signed-off-by: NFabiano Rosas <farosas@linux.ibm.com>
Reviewed-by: NNicholas Piggin <npiggin@gmail.com>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220425142151.1495142-1-farosas@linux.ibm.com