Re: [Xen-devel] [PATCH v2 03/14] x86/cpu/vpmu: Add Hygon Dhyana and AMD Zen support for vPMU

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 21.02.19 at 10:50, <puwen@xxxxxxxx> wrote:
> --- a/xen/arch/x86/cpu/vpmu_amd.c
> +++ b/xen/arch/x86/cpu/vpmu_amd.c
> @@ -545,6 +545,8 @@ int __init amd_vpmu_init(void)
>      switch ( current_cpu_data.x86 )
>      {
>      case 0x15:
> +    case 0x17:
> +    case 0x18:
>          num_counters = F15H_NUM_COUNTERS;
>          counters = AMD_F15H_COUNTERS;
>          ctrls = AMD_F15H_CTRLS;

Unless you know what AMD Fam18 will look like, you can't do it
like this. Fam18 really needs to be further qualified by a vendor
check at this point in time.

Jan



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