Method resize

vmm/src/cpu.rs:1547–1580

(&mut self, desired_vcpus: u32)

    }

    pub fn resize(&mut self, desired_vcpus: u32) -> Result<bool> {
        if desired_vcpus.cmp(&self.present_vcpus()) == cmp::Ordering::Equal {
            return Ok(false);
        }

        if !self.dynamic {
            return Ok(false);
        }

        if desired_vcpus < 1 {
            return Err(Error::DesiredVCpuCountIsZero);
        }

        if self.check_pending_removed_vcpu() {
            return Err(Error::VcpuPendingRemovedVcpu);
        }

        match desired_vcpus.cmp(&self.present_vcpus()) {
            cmp::Ordering::Greater => {
                let vcpus = self.create_vcpus(desired_vcpus, None)?;
                for vcpu in vcpus {
                    let mut vcpu = vcpu.lock().unwrap();
                    self.configure_vcpu(&mut vcpu, None)?;
                }
                self.activate_vcpus(desired_vcpus, true, None)?;
                Ok(true)
            }
            cmp::Ordering::Less => {
                self.mark_vcpus_for_removal(desired_vcpus);
                Ok(true)
            }
            _ => Ok(false),
        }
    }

    /// Signals all vCPU threads and waits for them to ACK the interruption.
    ///