Re: [PATCH] KVM: PPC: Book3S HV: Do not expose HFSCR sanitisation to nested hypervisor

2021-03-11 Thread Nicholas Piggin
Excerpts from Paul Mackerras's message of March 10, 2021 7:23 pm: > On Mon, Mar 08, 2021 at 06:18:47PM +1000, Nicholas Piggin wrote: >> Excerpts from Fabiano Rosas's message of March 6, 2021 9:10 am: >> > As one of the arguments of the H_ENTER_NESTED hypercall, the nested >> > hypervisor (L1) prepa

Re: [PATCH] KVM: PPC: Book3S HV: Do not expose HFSCR sanitisation to nested hypervisor

2021-03-10 Thread Paul Mackerras
On Mon, Mar 08, 2021 at 06:18:47PM +1000, Nicholas Piggin wrote: > Excerpts from Fabiano Rosas's message of March 6, 2021 9:10 am: > > As one of the arguments of the H_ENTER_NESTED hypercall, the nested > > hypervisor (L1) prepares a structure containing the values of various > > hypervisor-privile

Re: [PATCH] KVM: PPC: Book3S HV: Do not expose HFSCR sanitisation to nested hypervisor

2021-03-08 Thread Michael Ellerman
Fabiano Rosas writes: > Nicholas Piggin writes: > >> Excerpts from Fabiano Rosas's message of March 6, 2021 9:10 am: >>> As one of the arguments of the H_ENTER_NESTED hypercall, the nested >>> hypervisor (L1) prepares a structure containing the values of various >>> hypervisor-privileged register

Re: [PATCH] KVM: PPC: Book3S HV: Do not expose HFSCR sanitisation to nested hypervisor

2021-03-08 Thread Nicholas Piggin
Excerpts from Fabiano Rosas's message of March 9, 2021 1:04 am: > Nicholas Piggin writes: > >> Excerpts from Fabiano Rosas's message of March 6, 2021 9:10 am: >>> As one of the arguments of the H_ENTER_NESTED hypercall, the nested >>> hypervisor (L1) prepares a structure containing the values of

Re: [PATCH] KVM: PPC: Book3S HV: Do not expose HFSCR sanitisation to nested hypervisor

2021-03-08 Thread Fabiano Rosas
Nicholas Piggin writes: > Excerpts from Fabiano Rosas's message of March 6, 2021 9:10 am: >> As one of the arguments of the H_ENTER_NESTED hypercall, the nested >> hypervisor (L1) prepares a structure containing the values of various >> hypervisor-privileged registers with which it wants the nest

Re: [PATCH] KVM: PPC: Book3S HV: Do not expose HFSCR sanitisation to nested hypervisor

2021-03-08 Thread Nicholas Piggin
Excerpts from Fabiano Rosas's message of March 6, 2021 9:10 am: > As one of the arguments of the H_ENTER_NESTED hypercall, the nested > hypervisor (L1) prepares a structure containing the values of various > hypervisor-privileged registers with which it wants the nested guest > (L2) to run. Since t