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Diffstat (limited to 'arch/arm64/kvm/vgic/vgic-v3.c')
-rw-r--r--arch/arm64/kvm/vgic/vgic-v3.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/kvm/vgic/vgic-v3.c b/arch/arm64/kvm/vgic/vgic-v3.c
index 3eecdd2f4b8f..b217b256853c 100644
--- a/arch/arm64/kvm/vgic/vgic-v3.c
+++ b/arch/arm64/kvm/vgic/vgic-v3.c
@@ -292,6 +292,18 @@ void vgic_v3_enable(struct kvm_vcpu *vcpu)
/* Get the show on the road... */
vgic_v3->vgic_hcr = ICH_HCR_EN;
+}
+
+void vcpu_set_ich_hcr(struct kvm_vcpu *vcpu)
+{
+ struct vgic_v3_cpu_if *vgic_v3 = &vcpu->arch.vgic_cpu.vgic_v3;
+
+ /* Hide GICv3 sysreg if necessary */
+ if (!kvm_has_gicv3(vcpu->kvm)) {
+ vgic_v3->vgic_hcr |= ICH_HCR_TALL0 | ICH_HCR_TALL1 | ICH_HCR_TC;
+ return;
+ }
+
if (group0_trap)
vgic_v3->vgic_hcr |= ICH_HCR_TALL0;
if (group1_trap)