KVM_FEATURE_PV_SCHED_YIELD 638 arch/x86/kernel/kvm.c if (kvm_para_has_feature(KVM_FEATURE_PV_SCHED_YIELD) && KVM_FEATURE_PV_SCHED_YIELD 718 arch/x86/kvm/cpuid.c (1 << KVM_FEATURE_PV_SCHED_YIELD);