| commit | 72b0d51d973beab5a06c97279b61a0a58ccf33c8 | [log] [tgz] |
|---|---|---|
| author | Nicholas Piggin <npiggin@gmail.com> | Fri Aug 25 14:30:35 2017 +1000 |
| committer | Michael Ellerman <mpe@ellerman.id.au> | Tue Aug 29 21:42:14 2017 +1000 |
| tree | 67e41c36075095cb7bfdb343f73f942dcbdd5ef8 | |
| parent | 65dbbe812fc2bec99cea89f498b7cdd32bcf8e1c [diff] |
powerpc/64s: idle POWER9 can execute stop in virtual mode The hardware can execute stop in any context, and KVM does not require real mode because siblings do not share MMU state. This saves a switch to real-mode when going idle. Acked-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com> Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Paul Mackerras <paulus@ozlabs.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>