Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[sfrench/cifs-2.6.git] / virt / kvm / arm / vgic / vgic-v3.c

diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c
index c2c9ce009f6381556cf71f520c680af78fae4525..a4ad431c92a912d2b3a9330db301059858ebc62b 100644 (file)
--- a/virt/kvm/arm/vgic/vgic-v3.c
+++ b/virt/kvm/arm/vgic/vgic-v3.c
@@ -167,7 +167,10 @@ void vgic_v3_populate_lr(struct kvm_vcpu *vcpu, struct vgic_irq *irq, int lr)
                    model == KVM_DEV_TYPE_ARM_VGIC_V2) {
                        u32 src = ffs(irq->source);
 
-                       BUG_ON(!src);
+                       if (WARN_RATELIMIT(!src, "No SGI source for INTID %d\n",
+                                          irq->intid))
+                               return;
+
                        val |= (src - 1) << GICH_LR_PHYSID_CPUID_SHIFT;
                        irq->source &= ~(1 << (src - 1));
                        if (irq->source) {
@@ -662,12 +665,17 @@ void vgic_v3_load(struct kvm_vcpu *vcpu)
                __vgic_v3_activate_traps(vcpu);
 }
 
-void vgic_v3_put(struct kvm_vcpu *vcpu)
+void vgic_v3_vmcr_sync(struct kvm_vcpu *vcpu)
 {
        struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3;
 
        if (likely(cpu_if->vgic_sre))
                cpu_if->vgic_vmcr = kvm_call_hyp_ret(__vgic_v3_read_vmcr);
+}
+
+void vgic_v3_put(struct kvm_vcpu *vcpu)
+{
+       vgic_v3_vmcr_sync(vcpu);
 
        kvm_call_hyp(__vgic_v3_save_aprs, vcpu);