diff options
Diffstat (limited to 'virt/kvm/arm/vgic/vgic-mmio-v3.c')
| -rw-r--r-- | virt/kvm/arm/vgic/vgic-mmio-v3.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/virt/kvm/arm/vgic/vgic-mmio-v3.c b/virt/kvm/arm/vgic/vgic-mmio-v3.c index 408ef06638fc..83786108829e 100644 --- a/virt/kvm/arm/vgic/vgic-mmio-v3.c +++ b/virt/kvm/arm/vgic/vgic-mmio-v3.c @@ -129,6 +129,7 @@ static void vgic_mmio_write_irouter(struct kvm_vcpu *vcpu, { int intid = VGIC_ADDR_TO_INTID(addr, 64); struct vgic_irq *irq; + unsigned long flags; /* The upper word is WI for us since we don't implement Aff3. */ if (addr & 4) @@ -139,13 +140,13 @@ static void vgic_mmio_write_irouter(struct kvm_vcpu *vcpu, if (!irq) return; - spin_lock(&irq->irq_lock); + spin_lock_irqsave(&irq->irq_lock, flags); /* We only care about and preserve Aff0, Aff1 and Aff2. */ irq->mpidr = val & GENMASK(23, 0); irq->target_vcpu = kvm_mpidr_to_vcpu(vcpu->kvm, irq->mpidr); - spin_unlock(&irq->irq_lock); + spin_unlock_irqrestore(&irq->irq_lock, flags); vgic_put_irq(vcpu->kvm, irq); } @@ -241,11 +242,12 @@ static void vgic_v3_uaccess_write_pending(struct kvm_vcpu *vcpu, { u32 intid = VGIC_ADDR_TO_INTID(addr, 1); int i; + unsigned long flags; for (i = 0; i < len * 8; i++) { struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i); - spin_lock(&irq->irq_lock); + spin_lock_irqsave(&irq->irq_lock, flags); if (test_bit(i, &val)) { /* * pending_latch is set irrespective of irq type @@ -253,10 +255,10 @@ static void vgic_v3_uaccess_write_pending(struct kvm_vcpu *vcpu, * restore irq config before pending info. */ irq->pending_latch = true; - vgic_queue_irq_unlock(vcpu->kvm, irq); + vgic_queue_irq_unlock(vcpu->kvm, irq, flags); } else { irq->pending_latch = false; - spin_unlock(&irq->irq_lock); + spin_unlock_irqrestore(&irq->irq_lock, flags); } vgic_put_irq(vcpu->kvm, irq); @@ -799,6 +801,7 @@ void vgic_v3_dispatch_sgi(struct kvm_vcpu *vcpu, u64 reg) int sgi, c; int vcpu_id = vcpu->vcpu_id; bool broadcast; + unsigned long flags; sgi = (reg & ICC_SGI1R_SGI_ID_MASK) >> ICC_SGI1R_SGI_ID_SHIFT; broadcast = reg & BIT_ULL(ICC_SGI1R_IRQ_ROUTING_MODE_BIT); @@ -837,10 +840,10 @@ void vgic_v3_dispatch_sgi(struct kvm_vcpu *vcpu, u64 reg) irq = vgic_get_irq(vcpu->kvm, c_vcpu, sgi); - spin_lock(&irq->irq_lock); + spin_lock_irqsave(&irq->irq_lock, flags); irq->pending_latch = true; - vgic_queue_irq_unlock(vcpu->kvm, irq); + vgic_queue_irq_unlock(vcpu->kvm, irq, flags); vgic_put_irq(vcpu->kvm, irq); } } |