[PATCH 10/13] powerpc/64s: idle simplify KVM idle on POWER9

[Michael Ellerman]

Nicholas Piggin <npiggin at gmail.com> writes:

> POWER9 CPUs have independent MMU contexts per thread so KVM
> does not have to bring sibling threads into real-mode when
> switching MMU mode to guest. This can simplify POWER9 sleep/wake
> paths and avoids hwsyncs.
>
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
> ---
>  arch/powerpc/include/asm/kvm_book3s_asm.h |  4 ++++
>  arch/powerpc/kernel/idle_book3s.S         |  8 ++-----
>  arch/powerpc/kvm/book3s_hv.c              | 37 ++++++++++++++++++++++++++-----
>  arch/powerpc/kvm/book3s_hv_rmhandlers.S   |  8 +++++++

This will need to go via, or at least be shared with Paul's tree.

So if it's possible, splitting it out of this series would be easier.

cheers