Method create_vcpu

vmm/src/cpu.rs:963–1007

(
        &mut self,
        cpu_id: u32,
        snapshot: Option<&Snapshot>,
    )

    }

    fn create_vcpu(
        &mut self,
        cpu_id: u32,
        snapshot: Option<&Snapshot>,
    ) -> Result<Arc<Mutex<Vcpu>>> {
        info!("Creating vCPU: cpu_id = {cpu_id}");

        #[cfg(target_arch = "x86_64")]
        let topology = self.get_vcpu_topology();
        #[cfg(target_arch = "x86_64")]
        let x2apic_id = arch::x86_64::get_x2apic_id(cpu_id, topology);
        #[cfg(any(target_arch = "aarch64", target_arch = "riscv64"))]
        let x2apic_id = cpu_id;

        let mut vcpu = Vcpu::new(
            cpu_id,
            x2apic_id,
            self.vm.as_ref(),
            Some(self.vm_ops.clone()),
            #[cfg(target_arch = "x86_64")]
            self.hypervisor.get_cpu_vendor(),
        )?;

        if let Some(snapshot) = snapshot {
            // AArch64 vCPUs should be initialized after created.
            #[cfg(target_arch = "aarch64")]
            vcpu.init(self.vm.as_ref())?;

            let state: CpuState = snapshot.to_state().map_err(|e| {
                Error::VcpuCreate(anyhow!("Could not get vCPU state from snapshot {e:?}"))
            })?;
            vcpu.vcpu
                .set_state(&state)
                .map_err(|e| Error::VcpuCreate(anyhow!("Could not set the vCPU state {e:?}")))?;

            vcpu.saved_state = Some(state);
        }

        let vcpu = Arc::new(Mutex::new(vcpu));

        // Adding vCPU to the CpuManager's vCPU list.
        self.vcpus.push(vcpu.clone());

        Ok(vcpu)
    }

    pub fn configure_vcpu(
        &self,