Re: [PATCH 0/6] KVM: PPC: Book3S PR: Add POWER8 support

[Alexander Graf <agraf@suse.de>]

On 05/04/2014 06:36 PM, Aneesh Kumar K.V wrote:
> Alexander Graf <agraf@suse.de> writes:
>
>> When running on a POWER8 host, we get away with running the guest as POWER7
>> and nothing falls apart.
>>
>> However, when we start exposing POWER8 as guest CPU, guests will start using
>> new abilities on POWER8 which we need to handle.
>>
>> This patch set does a minimalistic approach to implementing those bits to
>> make guests happy enough to run.
>>
>>
>> Alex
>>
>> Alexander Graf (6):
>>    KVM: PPC: Book3S PR: Ignore PMU SPRs
>>    KVM: PPC: Book3S PR: Emulate TIR register
>>    KVM: PPC: Book3S PR: Handle Facility interrupt and FSCR
>>    KVM: PPC: Book3S PR: Expose TAR facility to guest
>>    KVM: PPC: Book3S PR: Expose EBB registers
>>    KVM: PPC: Book3S PR: Expose TM registers
>>
>>   arch/powerpc/include/asm/kvm_asm.h        | 18 ++++---
>>   arch/powerpc/include/asm/kvm_book3s_asm.h |  2 +
>>   arch/powerpc/include/asm/kvm_host.h       |  3 ++
>>   arch/powerpc/kernel/asm-offsets.c         |  3 ++
>>   arch/powerpc/kvm/book3s.c                 | 34 +++++++++++++
>>   arch/powerpc/kvm/book3s_emulate.c         | 53 ++++++++++++++++++++
>>   arch/powerpc/kvm/book3s_hv.c              | 30 -----------
>>   arch/powerpc/kvm/book3s_pr.c              | 82 +++++++++++++++++++++++++++++++
>>   arch/powerpc/kvm/book3s_segment.S         | 25 ++++++++++
>>   9 files changed, 212 insertions(+), 38 deletions(-)
>>
> I did most of this as part of
>
> [RFC PATCH 01/10] KVM: PPC: BOOK3S: PR: Add POWER8 support
> http://mid.gmane.org/1390927455-3312-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com
>
> Any reason why that is not picked up ? TM was the reason I didn't push the
> patchset again. I was not sure how to get all the TM details to
> work.

Ugh, I guess I mostly discarded it as brainstorm patches because they 
were marked RFC :(


Alex