diff options
Diffstat (limited to 'virt/kvm/arm/vgic/vgic-kvm-device.c')
| -rw-r--r-- | virt/kvm/arm/vgic/vgic-kvm-device.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/virt/kvm/arm/vgic/vgic-kvm-device.c b/virt/kvm/arm/vgic/vgic-kvm-device.c index 10ae6f394b71..76ab3691f7fe 100644 --- a/virt/kvm/arm/vgic/vgic-kvm-device.c +++ b/virt/kvm/arm/vgic/vgic-kvm-device.c @@ -66,6 +66,7 @@ int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write) int r = 0; struct vgic_dist *vgic = &kvm->arch.vgic; phys_addr_t *addr_ptr, alignment; + u64 undef_value = VGIC_ADDR_UNDEF; mutex_lock(&kvm->lock); switch (type) { @@ -84,7 +85,9 @@ int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write) addr_ptr = &vgic->vgic_dist_base; alignment = SZ_64K; break; - case KVM_VGIC_V3_ADDR_TYPE_REDIST: + case KVM_VGIC_V3_ADDR_TYPE_REDIST: { + struct vgic_redist_region *rdreg; + r = vgic_check_type(kvm, KVM_DEV_TYPE_ARM_VGIC_V3); if (r) break; @@ -92,8 +95,14 @@ int kvm_vgic_addr(struct kvm *kvm, unsigned long type, u64 *addr, bool write) r = vgic_v3_set_redist_base(kvm, *addr); goto out; } - addr_ptr = &vgic->vgic_redist_base; + rdreg = list_first_entry(&vgic->rd_regions, + struct vgic_redist_region, list); + if (!rdreg) + addr_ptr = &undef_value; + else + addr_ptr = &rdreg->base; break; + } default: r = -ENODEV; } |