diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_xive_native.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_xive_native.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/arch/powerpc/kvm/book3s_xive_native.c b/arch/powerpc/kvm/book3s_xive_native.c index 62648f833adf..0497272a72fa 100644 --- a/arch/powerpc/kvm/book3s_xive_native.c +++ b/arch/powerpc/kvm/book3s_xive_native.c @@ -964,15 +964,27 @@ static int kvmppc_xive_native_has_attr(struct kvm_device *dev, return -ENXIO; } -static void kvmppc_xive_native_free(struct kvm_device *dev) +/* + * Called when device fd is closed + */ +static void kvmppc_xive_native_release(struct kvm_device *dev) { struct kvmppc_xive *xive = dev->private; struct kvm *kvm = xive->kvm; + struct kvm_vcpu *vcpu; int i; debugfs_remove(xive->dentry); - pr_devel("Destroying xive native device\n"); + pr_devel("Releasing xive native device\n"); + + /* + * When releasing the KVM device fd, the vCPUs can still be + * running and we should clean up the vCPU interrupt + * presenters first. + */ + kvm_for_each_vcpu(i, vcpu, kvm) + kvmppc_xive_native_cleanup_vcpu(vcpu); if (kvm) kvm->arch.xive = NULL; @@ -987,7 +999,13 @@ static void kvmppc_xive_native_free(struct kvm_device *dev) if (xive->vp_base != XIVE_INVALID_VP) xive_native_free_vp_block(xive->vp_base); - kfree(xive); + /* + * A reference of the kvmppc_xive pointer is now kept under + * the xive_devices struct of the machine for reuse. It is + * freed when the VM is destroyed for now until we fix all the + * execution paths. + */ + kfree(dev); } @@ -1002,7 +1020,7 @@ static int kvmppc_xive_native_create(struct kvm_device *dev, u32 type) if (kvm->arch.xive) return -EEXIST; - xive = kzalloc(sizeof(*xive), GFP_KERNEL); + xive = kvmppc_xive_get_device(kvm, type); if (!xive) return -ENOMEM; @@ -1182,7 +1200,7 @@ struct kvm_device_ops kvm_xive_native_ops = { .name = "kvm-xive-native", .create = kvmppc_xive_native_create, .init = kvmppc_xive_native_init, - .destroy = kvmppc_xive_native_free, + .release = kvmppc_xive_native_release, .set_attr = kvmppc_xive_native_set_attr, .get_attr = kvmppc_xive_native_get_attr, .has_attr = kvmppc_xive_native_has_attr, |
