It doesn't make sense to return the recommended maximum number of vCPUs which exceeds the maximum possible number of vCPUs. Other architectures have already done this, such as Commit 57a2e13ebdda ("KVM: MIPS: Cap KVM_CAP_NR_VCPUS by KVM_CAP_MAX_VCPUS") Signed-off-by: Qiang Ma --- arch/loongarch/kvm/vm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/loongarch/kvm/vm.c b/arch/loongarch/kvm/vm.c index 8cc5ee1c53ef..1317c718f896 100644 --- a/arch/loongarch/kvm/vm.c +++ b/arch/loongarch/kvm/vm.c @@ -125,7 +125,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) r = 1; break; case KVM_CAP_NR_VCPUS: - r = num_online_cpus(); + r = min_t(unsigned int, num_online_cpus(), KVM_MAX_VCPUS); break; case KVM_CAP_MAX_VCPUS: r = KVM_MAX_VCPUS; -- 2.20.1