tree 2284e6b5fa39ea9289a929c2f66b89d6d6a08c8c
parent 2724c11a1df4b22ee966c04809ea0e808f66b04e
author Marc Zyngier <marc.zyngier@arm.com> 1497008980 +0100
committer Marc Zyngier <marc.zyngier@arm.com> 1497516301 +0100

KVM: arm64: vgic-v3: Enable trapping of Group-1 system registers

In order to be able to trap Group-1 GICv3 system registers, we need to
set ICH_HCR_EL2.TALL1 before entering the guest. This is conditionally
done after having restored the guest's state, and cleared on exit.

Tested-by: Alexander Graf <agraf@suse.de>
Acked-by: David Daney <david.daney@cavium.com>
Acked-by: Christoffer Dall <cdall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <cdall@linaro.org>