KVM: PPC: Book3S HV: Use POWER9 SLBIA IH=6 variant to clear SLB
IH=6 may preserve hypervisor real-mode ERAT entries and is the recommended SLBIA hint for switching partitions. Signed-off-by:Nicholas Piggin <npiggin@gmail.com> Signed-off-by:
Paul Mackerras <paulus@ozlabs.org>
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078ebe35
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