Nicholas Piggin e3646330cf powerpc/64s/idle: avoid POWER9 DD1 and DD2.0 PMU workaround on DD2.1
DD2.1 does not have to save MMCR0 for all state-loss idle states,
only after deep idle states (like other PMU registers).

Reviewed-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2017-11-06 22:46:16 +11:00
..
2017-09-09 14:48:21 -07:00
2017-09-22 13:09:11 -10:00
2017-09-15 12:47:21 -07:00
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