static int ne_set_enclave_threads_per_core()

in drivers/virt/nitro_enclaves/ne_misc_dev.c [611:643]

• 24 lines of code
• 5 McCabe index (conditional complexity)

static int ne_set_enclave_threads_per_core(struct ne_enclave *ne_enclave,
					   int core_id, u32 vcpu_id)
{
	unsigned int cpu = 0;

	if (core_id < 0 && vcpu_id == 0) {
		dev_err_ratelimited(ne_misc_dev.this_device,
				    "No CPUs available in NE CPU pool\n");

		return -NE_ERR_NO_CPUS_AVAIL_IN_POOL;
	}

	if (core_id < 0) {
		dev_err_ratelimited(ne_misc_dev.this_device,
				    "CPU %d is not in NE CPU pool\n", vcpu_id);

		return -NE_ERR_VCPU_NOT_IN_CPU_POOL;
	}

	if (core_id >= ne_enclave->nr_parent_vm_cores) {
		dev_err_ratelimited(ne_misc_dev.this_device,
				    "Invalid core id %d - ne_enclave\n", core_id);

		return -NE_ERR_VCPU_INVALID_CPU_CORE;
	}

	for_each_cpu(cpu, ne_cpu_pool.avail_threads_per_core[core_id])
		cpumask_set_cpu(cpu, ne_enclave->threads_per_core[core_id]);

	cpumask_clear(ne_cpu_pool.avail_threads_per_core[core_id]);

	return 0;
}