static int kvm_put_xcrs(X86CPU *cpu) { CPUX86State *env = &cpu->env; struct kvm_xcrs xcrs = {}; if (!kvm_has_xcrs()) { return 0; } xcrs.nr_xcrs = 1; xcrs.flags = 0; xcrs.xcrs[0].xcr = 0; xcrs.xcrs[0].value = env->xcr0; return kvm_vcpu_ioctl(CPU(cpu), KVM_SET_XCRS, &xcrs); }