On 04/28/2016 10:45 AM, Andre Przywara wrote:
...
diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c
new file mode 100644
index 0000000..461229b
--- /dev/null
+++ b/virt/kvm/arm/vgic/vgic-v3.c
...
+void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu)
+{
+ struct vgic_v3_cpu_if *cpuif = &vcpu->arch.vgic_cpu.vgic_v3;
+ u32 model = vcpu->kvm->arch.vgic.vgic_model;
+ int lr;
+
+ /* Assumes ap_list_lock held */
If truly required that ap_list_lock already be locked, then the code should enforce it. At least in dev mode. Maybe:
DEBUG_SPINLOCK_BUG_ON(!spin_is_locked(&vcpu->ap_list_lock));
...
+/* Requires the irq to be locked already */
+void vgic_v3_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr)
+{
+ u32 model = vcpu->kvm->arch.vgic.vgic_model;
+ u64 val = irq->intid;
+
Similarly, if required then the code should enforce it.
DEBUG_SPINLOCK_BUG_ON(!spin_is_locked(&irq->irq_lock));
...
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