>>> On 02.08.16 at 08:43, <[email protected]> wrote: > --- a/arch/x86/xen/pmu.c > +++ b/arch/x86/xen/pmu.c > @@ -547,8 +547,11 @@ void xen_pmu_init(int cpu) > return; > > fail: > - pr_info_once("Could not initialize VPMU for cpu %d, error %d\n", > - cpu, err); > + if (err == -EOPNOTSUPP) > + pr_info_once("VPMU disabled by hypervisor.\n"); > + else > + pr_info_once("Could not initialize VPMU for cpu %d, error %d\n", > + cpu, err);
I'm sorry for not already having thought about this for v1, but what about older hypervisors, where the hypercall would return -ENOSYS? Jan

