On 02/08/16 09:10, Jan Beulich wrote:
On 02.08.16 at 08:43, 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",
>> -
>>> On 02.08.16 at 08:43, 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)
The default for the Xen hypervisor is to not enable VPMU in order to
avoid security issues. In this case the Linux kernel will issue the
message "Could not initialize VPMU for cpu 0, error -95" which looks
more like an error than a normal state.
Change the message to something less scary in case t
