@@ -922,10 +922,13 @@ void kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu)
void kvm_vgic_load(struct kvm_vcpu *vcpu)
{
- if (unlikely(!vgic_initialized(vcpu->kvm)))
+ if (unlikely(!irqchip_in_kernel(vcpu->kvm) || !vgic_initialized(vcpu->kvm))) {
+ if (has_vhe() && static_branch_unlikely(&kvm_vgic_global_state.gicv3_cpuif))
+ __vgic_v3_activate_traps(&vcpu->arch.vgic_cpu.vgic_v3);
return;
+ }
- if (kvm_vgic_global_state.type == VGIC_V2)
+ if (!static_branch_unlikely(&kvm_vgic_global_state.gicv3_cpuif))
vgic_v2_load(vcpu);
else
vgic_v3_load(vcpu);
@@ -933,10 +936,13 @@ void kvm_vgic_load(struct kvm_vcpu *vcpu)
void kvm_vgic_put(struct kvm_vcpu *vcpu)
{
- if (unlikely(!vgic_initialized(vcpu->kvm)))
+ if (unlikely(!irqchip_in_kernel(vcpu->kvm) || !vgic_initialized(vcpu->kvm))) {
+ if (has_vhe() && static_branch_unlikely(&kvm_vgic_global_state.gicv3_cpuif))
+ __vgic_v3_deactivate_traps(&vcpu->arch.vgic_cpu.vgic_v3);
return;
+ }
- if (kvm_vgic_global_state.type == VGIC_V2)
+ if (!static_branch_unlikely(&kvm_vgic_global_state.gicv3_cpuif))
vgic_v2_put(vcpu);
else
vgic_v3_put(vcpu);
On a VHE system, no GICv3 traps get configured when no irqchip is present. This is not quite matching the "no GICv3" semantics that we want to present. Force such traps to be configured in this case. Signed-off-by: Marc Zyngier <maz@kernel.org> --- arch/arm64/kvm/vgic/vgic.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-)