diff options
Diffstat (limited to 'virt/kvm/arm/vgic/vgic-mmio-v3.c')
| -rw-r--r-- | virt/kvm/arm/vgic/vgic-mmio-v3.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/virt/kvm/arm/vgic/vgic-mmio-v3.c b/virt/kvm/arm/vgic/vgic-mmio-v3.c index 99da1a207c19..201d5e2e973d 100644 --- a/virt/kvm/arm/vgic/vgic-mmio-v3.c +++ b/virt/kvm/arm/vgic/vgic-mmio-v3.c @@ -586,7 +586,7 @@ int vgic_register_redist_iodev(struct kvm_vcpu *vcpu) if (!vgic_v3_check_base(kvm)) return -EINVAL; - rd_base = vgic->vgic_redist_base + kvm_vcpu_get_idx(vcpu) * SZ_64K * 2; + rd_base = vgic->vgic_redist_base + vgic->vgic_redist_free_offset; sgi_base = rd_base + SZ_64K; kvm_iodevice_init(&rd_dev->dev, &kvm_io_gic_ops); @@ -614,11 +614,15 @@ int vgic_register_redist_iodev(struct kvm_vcpu *vcpu) mutex_lock(&kvm->slots_lock); ret = kvm_io_bus_register_dev(kvm, KVM_MMIO_BUS, sgi_base, SZ_64K, &sgi_dev->dev); - mutex_unlock(&kvm->slots_lock); - if (ret) + if (ret) { kvm_io_bus_unregister_dev(kvm, KVM_MMIO_BUS, &rd_dev->dev); + goto out; + } + vgic->vgic_redist_free_offset += 2 * SZ_64K; +out: + mutex_unlock(&kvm->slots_lock); return ret; } @@ -644,10 +648,12 @@ static int vgic_register_all_redist_iodevs(struct kvm *kvm) if (ret) { /* The current c failed, so we start with the previous one. */ + mutex_lock(&kvm->slots_lock); for (c--; c >= 0; c--) { vcpu = kvm_get_vcpu(kvm, c); vgic_unregister_redist_iodev(vcpu); } + mutex_unlock(&kvm->slots_lock); } return ret; |