Re: [PATCH v4 16/34] KVM: arm64: Prepare the creation of s1 mappings at EL2

2021-03-11 Thread Will Deacon
On Wed, Mar 10, 2021 at 05:57:33PM +, Quentin Perret wrote: > When memory protection is enabled, the EL2 code needs the ability to > create and manage its own page-table. To do so, introduce a new set of > hypercalls to bootstrap a memory management system at EL2. > > This leads to the followi

[PATCH v4 16/34] KVM: arm64: Prepare the creation of s1 mappings at EL2

2021-03-10 Thread Quentin Perret
When memory protection is enabled, the EL2 code needs the ability to create and manage its own page-table. To do so, introduce a new set of hypercalls to bootstrap a memory management system at EL2. This leads to the following boot flow in nVHE Protected mode: 1. the host allocates memory for th