Sean Christopherson <[email protected]> writes:

> On Tue, Sep 22, 2026, Ritesh Harjani (IBM) wrote:
>> ---
>>  MAINTAINERS                                   |   2 +
>>  tools/testing/selftests/kvm/Makefile          |   2 +-
>>  tools/testing/selftests/kvm/Makefile.kvm      |  10 +
>>  .../testing/selftests/kvm/include/kvm_util.h  |   9 +
>>  .../selftests/kvm/include/powerpc/hcall.h     |  17 +
>>  .../kvm/include/powerpc/kvm_util_arch.h       |  22 +
>>  .../selftests/kvm/include/powerpc/ppc_asm.h   |  32 ++
>>  .../selftests/kvm/include/powerpc/processor.h |  39 ++
>>  .../selftests/kvm/include/powerpc/ucall.h     |  21 +
>>  tools/testing/selftests/kvm/lib/guest_modes.c |  20 +-
>>  tools/testing/selftests/kvm/lib/kvm_util.c    |   8 +
>>  .../selftests/kvm/lib/powerpc/handlers.S      |  93 ++++
>>  .../testing/selftests/kvm/lib/powerpc/hcall.c |  45 ++
>>  .../selftests/kvm/lib/powerpc/processor.c     | 512 ++++++++++++++++++
>>  .../testing/selftests/kvm/lib/powerpc/ucall.c |  22 +
>>  15 files changed, 851 insertions(+), 3 deletions(-)
>>  create mode 100644 tools/testing/selftests/kvm/include/powerpc/hcall.h
>>  create mode 100644 
>> tools/testing/selftests/kvm/include/powerpc/kvm_util_arch.h
>>  create mode 100644 tools/testing/selftests/kvm/include/powerpc/ppc_asm.h
>>  create mode 100644 tools/testing/selftests/kvm/include/powerpc/processor.h
>>  create mode 100644 tools/testing/selftests/kvm/include/powerpc/ucall.h
>>  create mode 100644 tools/testing/selftests/kvm/lib/powerpc/handlers.S
>>  create mode 100644 tools/testing/selftests/kvm/lib/powerpc/hcall.c
>>  create mode 100644 tools/testing/selftests/kvm/lib/powerpc/processor.c
>>  create mode 100644 tools/testing/selftests/kvm/lib/powerpc/ucall.c
>> 
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index fc320b373656..35df0c39e991 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -14349,6 +14349,8 @@ F:   arch/powerpc/include/asm/kvm*
>>  F:  arch/powerpc/include/uapi/asm/kvm*
>>  F:  arch/powerpc/kernel/kvm*
>>  F:  arch/powerpc/kvm/
>> +F:  tools/testing/selftests/kvm/*/powerpc/
>> +F:  tools/testing/selftests/kvm/powerpc/
>
> I don't think sending KVM PPC selftests changes through the PPC tree will 
> work.
> It's "fine" for KVM PPC changes because the volume of KVM PPC changes is low 
> and
> rarely modifies anything outside of arch/powerpc.
>
> KVM selftests tend to have a lot more cross-arch and/or common code 
> modifications,
> i.e. I think we'll be setting ourselves up for pain if we don't route all KVM
> selftests changes through Paolo's tree.
>

Sure, since enabling kvm selftests on powerpc has quite a few common
changes in cross-arch, so it make sense to take it via common tree which
it already uses.

BTW - the above file name paths are just so that we can have people cc
linuxppc-dev too, for powerpc kvm selftests changes.

> Does it maybe make sense to have all of KVM PPC route through Paolo?  Punting 
> to
> PPC made sense when KVM PPC was on life support, but it looks like 
> resuscitation
> was successful for at least some flavors of KVM PPC?

Today, I think it is getting managed, as long as the core/UAPI changes
are routed via Paolo and/or via ACK from both maintainers.

However, for PPC kvm selftests - let's do as discussed - to take it via
common kvm tree.


Thanks again Sean, for the review. I will soon post v6 with the
suggested approach.

-ritesh

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