Re: [PATCH] KVM: PPC: Book3S HV: Do not allocate HPT for a nested guest

2020-09-22 Thread Paul Mackerras
On Fri, Sep 11, 2020 at 01:16:07AM -0300, Fabiano Rosas wrote: > The current nested KVM code does not support HPT guests. This is > informed/enforced in some ways: > > - Hosts < P9 will not be able to enable the nested HV feature; > > - The nested hypervisor MMU capabilities will not contain >

Re: [PATCH] KVM: PPC: Book3S HV: Do not allocate HPT for a nested guest

2020-09-13 Thread David Gibson
On Fri, Sep 11, 2020 at 01:16:07AM -0300, Fabiano Rosas wrote: > The current nested KVM code does not support HPT guests. This is > informed/enforced in some ways: > > - Hosts < P9 will not be able to enable the nested HV feature; > > - The nested hypervisor MMU capabilities will not contain >

Re: [PATCH] KVM: PPC: Book3S HV: Do not allocate HPT for a nested guest

2020-09-11 Thread Greg Kurz
On Fri, 11 Sep 2020 10:08:10 +0200 Michal Suchánek wrote: > On Fri, Sep 11, 2020 at 10:01:33AM +0200, Greg Kurz wrote: > > On Fri, 11 Sep 2020 09:45:36 +0200 > > Greg Kurz wrote: > > > > > On Fri, 11 Sep 2020 01:16:07 -0300 > > > Fabiano Rosas wrote: > > > > > > > The current nested KVM code

Re: [PATCH] KVM: PPC: Book3S HV: Do not allocate HPT for a nested guest

2020-09-11 Thread Michal Suchánek
On Fri, Sep 11, 2020 at 10:01:33AM +0200, Greg Kurz wrote: > On Fri, 11 Sep 2020 09:45:36 +0200 > Greg Kurz wrote: > > > On Fri, 11 Sep 2020 01:16:07 -0300 > > Fabiano Rosas wrote: > > > > > The current nested KVM code does not support HPT guests. This is > > > informed/enforced in some ways: >

Re: [PATCH] KVM: PPC: Book3S HV: Do not allocate HPT for a nested guest

2020-09-11 Thread Greg Kurz
On Fri, 11 Sep 2020 09:45:36 +0200 Greg Kurz wrote: > On Fri, 11 Sep 2020 01:16:07 -0300 > Fabiano Rosas wrote: > > > The current nested KVM code does not support HPT guests. This is > > informed/enforced in some ways: > > > > - Hosts < P9 will not be able to enable the nested HV feature; > >

Re: [PATCH] KVM: PPC: Book3S HV: Do not allocate HPT for a nested guest

2020-09-11 Thread Greg Kurz
On Fri, 11 Sep 2020 01:16:07 -0300 Fabiano Rosas wrote: > The current nested KVM code does not support HPT guests. This is > informed/enforced in some ways: > > - Hosts < P9 will not be able to enable the nested HV feature; > > - The nested hypervisor MMU capabilities will not contain > KVM_C

[PATCH] KVM: PPC: Book3S HV: Do not allocate HPT for a nested guest

2020-09-10 Thread Fabiano Rosas
The current nested KVM code does not support HPT guests. This is informed/enforced in some ways: - Hosts < P9 will not be able to enable the nested HV feature; - The nested hypervisor MMU capabilities will not contain KVM_CAP_PPC_MMU_HASH_V3; - QEMU reflects the MMU capabilities in the 'ibm,