diff options
| -rw-r--r-- | virt/kvm/arm/vgic.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index 865a89178c82..ecea20153b42 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -881,6 +881,7 @@ static bool vgic_queue_irq(struct kvm_vcpu *vcpu, u8 sgi_source_id, int irq) lr, irq, vgic_cpu->vgic_lr[lr]); BUG_ON(!test_bit(lr, vgic_cpu->lr_used)); vgic_cpu->vgic_lr[lr] |= GICH_LR_PENDING_BIT; + __clear_bit(lr, (unsigned long *)vgic_cpu->vgic_elrsr); return true; } @@ -894,6 +895,7 @@ static bool vgic_queue_irq(struct kvm_vcpu *vcpu, u8 sgi_source_id, int irq) vgic_cpu->vgic_lr[lr] = MK_LR_PEND(sgi_source_id, irq); vgic_cpu->vgic_irq_lr_map[irq] = lr; set_bit(lr, vgic_cpu->lr_used); + __clear_bit(lr, (unsigned long *)vgic_cpu->vgic_elrsr); if (!vgic_irq_is_edge(vcpu, irq)) vgic_cpu->vgic_lr[lr] |= GICH_LR_EOI; @@ -1048,6 +1050,14 @@ static bool vgic_process_maintenance(struct kvm_vcpu *vcpu) if (vgic_cpu->vgic_misr & GICH_MISR_U) vgic_cpu->vgic_hcr &= ~GICH_HCR_UIE; + /* + * In the next iterations of the vcpu loop, if we sync the vgic state + * after flushing it, but before entering the guest (this happens for + * pending signals and vmid rollovers), then make sure we don't pick + * up any old maintenance interrupts here. + */ + memset(vgic_cpu->vgic_eisr, 0, sizeof(vgic_cpu->vgic_eisr[0]) * 2); + return level_pending; } |