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vmm: Notify Migratable objects about migration being complete

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Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2021-08-09 10:46:41 +02:00 committed by Bo Chen
parent f65538b08f
commit 5a83ebce64
3 changed files with 17 additions and 0 deletions
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9
vmm/src/device_manager.rs
View File

@ -4188,6 +4188,15 @@ impl Migratable for DeviceManager {
}
Ok(MemoryRangeTable::new_from_tables(tables))
}
fn complete_migration(&mut self) -> std::result::Result<(), MigratableError> {
for (_, device_node) in self.device_tree.lock().unwrap().iter() {
if let Some(migratable) = &device_node.migratable {
migratable.lock().unwrap().complete_migration()?;
}
}
Ok(())
}
}
const PCIU_FIELD_OFFSET: u64 = 0;

3
vmm/src/lib.rs
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@ -1135,6 +1135,9 @@ impl Vmm {
} {
// Stop logging dirty pages and keep the source VM paused unpon successful migration
Ok(()) => {
// Let every Migratable object know about the migration being complete
vm.complete_migration()?;
// Stop logging dirty pages
vm.stop_dirty_log()?;

5
vmm/src/vm.rs
View File

@ -2547,6 +2547,11 @@ impl Migratable for Vm {
self.device_manager.lock().unwrap().dirty_log()?,
]))
}
fn complete_migration(&mut self) -> std::result::Result<(), MigratableError> {
self.memory_manager.lock().unwrap().complete_migration()?;
self.device_manager.lock().unwrap().complete_migration()
}
}
#[cfg(all(feature = "kvm", target_arch = "x86_64"))]