vmm: device_manager: Remove 'restoring' attribute

Given 'restoring' isn't needed anymore from the DeviceManager structure,
let's simplify it.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>

vmm/src/device_manager.rs

@@ -931,9 +931,6 @@ pub struct DeviceManager {
     // Flag to force setting the iommu on virtio devices
     force_iommu: bool,
 
-    // Helps identify if the VM is currently being restored
-    restoring: bool,
-
     // io_uring availability if detected
     io_uring_supported: Option<bool>,
 
@@ -968,7 +965,6 @@ impl DeviceManager {
         numa_nodes: NumaNodes,
         activate_evt: &EventFd,
         force_iommu: bool,
-        restoring: bool,
         boot_id_list: BTreeSet<String>,
         timestamp: Instant,
         snapshot: Option<Snapshot>,
@@ -1115,7 +1111,6 @@ impl DeviceManager {
             #[cfg(target_arch = "aarch64")]
             gpio_device: None,
             force_iommu,
-            restoring,
             io_uring_supported: None,
             boot_id_list,
             timestamp,
@@ -4151,10 +4146,6 @@ impl DeviceManager {
             }
         }
 
-        // The devices have been fully restored, we can now update the
-        // restoring state of the DeviceManager.
-        self.restoring = false;
-
         Ok(())
     }
 

vmm/src/vm.rs

@@ -564,7 +564,6 @@ impl Vm {
             numa_nodes.clone(),
             &activate_evt,
             force_iommu,
-            restoring,
             boot_id_list,
             timestamp,
             snapshot_from_id(snapshot, DEVICE_MANAGER_SNAPSHOT_ID),