Re: [PATCH v3 5/9] KVM: PPC: Ultravisor: Use UV_WRITE_PATE ucall to register a PATE

2019-06-15 Thread Paul Mackerras
On Thu, Jun 06, 2019 at 02:36:10PM -0300, Claudio Carvalho wrote: > From: Michael Anderson > > When running under an ultravisor, the ultravisor controls the real > partition table and has it in secure memory where the hypervisor can't > access it, and therefore we (the HV) have to do a ucall when

[PATCH v3 5/9] KVM: PPC: Ultravisor: Use UV_WRITE_PATE ucall to register a PATE

2019-06-06 Thread Claudio Carvalho
From: Michael Anderson When running under an ultravisor, the ultravisor controls the real partition table and has it in secure memory where the hypervisor can't access it, and therefore we (the HV) have to do a ucall whenever we want to update an entry. The HV still keeps a copy of its view of t