diff options
Diffstat (limited to 'hw/virtio/vhost.c')
| -rw-r--r-- | hw/virtio/vhost.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index c1b1aad6cf..84d382b853 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -20,6 +20,7 @@ #include <linux/vhost.h> #include "exec/address-spaces.h" #include "hw/virtio/virtio-bus.h" +#include "migration/migration.h" static void vhost_dev_sync_region(struct vhost_dev *dev, MemoryRegionSection *section, @@ -854,6 +855,12 @@ int vhost_dev_init(struct vhost_dev *hdev, void *opaque, .eventfd_del = vhost_eventfd_del, .priority = 10 }; + hdev->migration_blocker = NULL; + if (!(hdev->features & (0x1 << VHOST_F_LOG_ALL))) { + error_setg(&hdev->migration_blocker, + "Migration disabled: vhost lacks VHOST_F_LOG_ALL feature."); + migrate_add_blocker(hdev->migration_blocker); + } hdev->mem = g_malloc0(offsetof(struct vhost_memory, regions)); hdev->n_mem_sections = 0; hdev->mem_sections = NULL; @@ -882,6 +889,10 @@ void vhost_dev_cleanup(struct vhost_dev *hdev) vhost_virtqueue_cleanup(hdev->vqs + i); } memory_listener_unregister(&hdev->memory_listener); + if (hdev->migration_blocker) { + migrate_del_blocker(hdev->migration_blocker); + error_free(hdev->migration_blocker); + } g_free(hdev->mem); g_free(hdev->mem_sections); hdev->vhost_ops->vhost_backend_cleanup(hdev); |