diff options
| author | David Hildenbrand <david@redhat.com> | 2024-12-04 15:54:40 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2025-01-27 17:39:25 +0300 |
| commit | a9403425b3cf704ab79eeb2c19cf00b2a3462834 (patch) | |
| tree | 3ce8e59597232e07372533b932fe157f62e202fd /drivers/virtio | |
| parent | 7ad4d1f6e6ef967cd24c6275d8d4056045c019c1 (diff) | |
| download | linux-a9403425b3cf704ab79eeb2c19cf00b2a3462834.tar.xz | |
virtio-mem: mark device ready before registering callbacks in kdump mode
After the callbacks are registered we may immediately get a callback. So
mark the device ready before registering the callbacks.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20241204125444.1734652-10-david@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/virtio')
| -rw-r--r-- | drivers/virtio/virtio_mem.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c index b0b871441578..126f1d669bb0 100644 --- a/drivers/virtio/virtio_mem.c +++ b/drivers/virtio/virtio_mem.c @@ -2648,6 +2648,7 @@ static int virtio_mem_init_hotplug(struct virtio_mem *vm) if (rc) goto out_unreg_pm; + virtio_device_ready(vm->vdev); return 0; out_unreg_pm: unregister_pm_notifier(&vm->pm_notifier); @@ -2729,6 +2730,8 @@ static bool virtio_mem_vmcore_pfn_is_ram(struct vmcore_cb *cb, static int virtio_mem_init_kdump(struct virtio_mem *vm) { + /* We must be prepared to receive a callback immediately. */ + virtio_device_ready(vm->vdev); #ifdef CONFIG_PROC_VMCORE dev_info(&vm->vdev->dev, "memory hot(un)plug disabled in kdump kernel\n"); vm->vmcore_cb.pfn_is_ram = virtio_mem_vmcore_pfn_is_ram; @@ -2870,8 +2873,6 @@ static int virtio_mem_probe(struct virtio_device *vdev) if (rc) goto out_del_vq; - virtio_device_ready(vdev); - /* trigger a config update to start processing the requested_size */ if (!vm->in_kdump) { atomic_set(&vm->config_changed, 1); |