Re: [Qemu-devel] [QEMU-PPC] [PATCH V3 0/3] ppc/spapr: Add support for nested kvm-hv

[David Gibson]

On Thu, Oct 11, 2018 at 05:16:06PM +1100, Suraj Jitindar Singh wrote:
> This patch series adds the qemu support for running nested kvm-hv on a
> POWER9 platform with appropriate hypervisor support and migration of
> these guests.
> That is, the ability to run kvm-hv guests as guests of an operating system
> which is itself a kvm-hv guest.
> 
> The host (L0 hypervisor) and level 1 guest (L1 guest hypervisor) require
> the following patch series:
> KVM: PPC: Book3S HV: Nested HV virtualization
> 
> And this patch series in the qemu instance running on the L0 hypervisor.
> 
> Patch series based on: ppc-for-3.1
> 
> The cap number is now in Paolo's tree so hopefully we can rely on it not
> changing.

Now that the kernel changes are in upstream master, can you resend a
final version of this?

> 
> V2 -> V3:
> - The enable cap ioctl no longer takes an enable field to indicate
>   disable/enable, but just enables the cap. So update to match this
>   kernel change. (The cap starts out disable by default)
> 
> Suraj Jitindar Singh (3):
>   target/ppc: Update linux-headers for v4.19-rc7
>   target/ppc: Add one reg id for ptcr
>   ppc/spapr_caps: Add SPAPR_CAP_NESTED_KVM_HV
> 
>  hw/ppc/spapr.c                  |  2 ++
>  hw/ppc/spapr_caps.c             | 32 ++++++++++++++++++++++++++++++++
>  include/hw/ppc/spapr.h          |  5 ++++-
>  linux-headers/asm-powerpc/kvm.h |  1 +
>  linux-headers/linux/kvm.h       |  1 +
>  target/ppc/kvm.c                | 12 ++++++++++++
>  target/ppc/kvm_ppc.h            | 12 ++++++++++++
>  target/ppc/translate_init.inc.c | 10 +++++-----
>  8 files changed, 69 insertions(+), 6 deletions(-)
> 

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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