Re: [PATCH v4 15/26] kvm: arm64: Add SMC handler in nVHE EL2

2020-12-03 Thread Marc Zyngier
On 2020-12-02 18:41, David Brazdil wrote: Add handler of host SMCs in KVM nVHE trap handler. Forward all SMCs to EL3 and propagate the result back to EL1. This is done in preparation for validating host SMCs in KVM protected mode. The implementation assumes that firmware uses SMCCC v1.2 or older

[PATCH v4 15/26] kvm: arm64: Add SMC handler in nVHE EL2

2020-12-02 Thread David Brazdil
Add handler of host SMCs in KVM nVHE trap handler. Forward all SMCs to EL3 and propagate the result back to EL1. This is done in preparation for validating host SMCs in KVM protected mode. The implementation assumes that firmware uses SMCCC v1.2 or older. That means x0-x17 can be used both for arg