Re: [PATCH v6 18/64] KVM: arm64: nv: Trap EL1 VM register accesses in virtual EL2

Hi Marc, On Fri, Jan 28, 2022 at 12:18:26PM +, Marc Zyngier wrote: > From: Christoffer Dall > > When running in virtual EL2 mode, we actually run the hardware in EL1 > and therefore have to use the EL1 registers to ensure correct operation. > > By setting the HCR.TVM and HCR.TVRM we ensure

Re: [PATCH v6 18/64] KVM: arm64: nv: Trap EL1 VM register accesses in virtual EL2

On Fri, Jan 28, 2022 at 12:18:26PM +, Marc Zyngier wrote: > From: Christoffer Dall > > When running in virtual EL2 mode, we actually run the hardware in EL1 > and therefore have to use the EL1 registers to ensure correct operation. > > By setting the HCR.TVM and HCR.TVRM we ensure that the

[PATCH v6 18/64] KVM: arm64: nv: Trap EL1 VM register accesses in virtual EL2

From: Christoffer Dall When running in virtual EL2 mode, we actually run the hardware in EL1 and therefore have to use the EL1 registers to ensure correct operation. By setting the HCR.TVM and HCR.TVRM we ensure that the virtual EL2 mode doesn't shoot itself in the foot when setting up what it