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-rw-r--r--virt/kvm/arm/vgic/vgic-v2.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/virt/kvm/arm/vgic/vgic-v2.c b/virt/kvm/arm/vgic/vgic-v2.c
index 1fe031b7ba43..8ad42c217770 100644
--- a/virt/kvm/arm/vgic/vgic-v2.c
+++ b/virt/kvm/arm/vgic/vgic-v2.c
@@ -206,9 +206,18 @@ void vgic_v2_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcrp)
GICH_VMCR_PRIMASK_SHIFT;
}
-/* not yet implemented */
void vgic_v2_enable(struct kvm_vcpu *vcpu)
{
+ /*
+ * By forcing VMCR to zero, the GIC will restore the binary
+ * points to their reset values. Anything else resets to zero
+ * anyway.
+ */
+ vcpu->arch.vgic_cpu.vgic_v2.vgic_vmcr = 0;
+ vcpu->arch.vgic_cpu.vgic_v2.vgic_elrsr = ~0;
+
+ /* Get the show on the road... */
+ vcpu->arch.vgic_cpu.vgic_v2.vgic_hcr = GICH_HCR_EN;
}
/* check for overlapping regions and for regions crossing the end of memory */