Re: [PATCH v3 08/12] KVM: arm64: Allow userspace to configure a vCPU's virtual offset

2021-07-21 Thread Andrew Jones
On Mon, Jul 19, 2021 at 06:49:45PM +, Oliver Upton wrote: > Add a new vCPU attribute that allows userspace to directly manipulate > the virtual counter-timer offset. Exposing such an interface allows for > the precise migration of guest virtual counter-timers, as it is an > indepotent

[PATCH v3 08/12] KVM: arm64: Allow userspace to configure a vCPU's virtual offset

2021-07-19 Thread Oliver Upton
Add a new vCPU attribute that allows userspace to directly manipulate the virtual counter-timer offset. Exposing such an interface allows for the precise migration of guest virtual counter-timers, as it is an indepotent interface. Uphold the existing behavior of writes to CNTVOFF_EL2 for this new