| commit | e3646330cf6667d5cced780ade80f67850c81872 | [log] [tgz] |
|---|---|---|
| author | Nicholas Piggin <npiggin@gmail.com> | Fri Nov 03 15:13:21 2017 +1100 |
| committer | Michael Ellerman <mpe@ellerman.id.au> | Mon Nov 06 22:46:16 2017 +1100 |
| tree | df37a2b37ffb27c1829d637282c6e1806693b390 | |
| parent | 9d2f510a66ec60411536b83dab831ee091c84307 [diff] |
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>