[Xen-devel] Ping: [PATCH] x86/HVM: fix AMD ECS handling for Fam 10

[Jan Beulich <jbeulich@xxxxxxxx>]

On 16.03.2020 14:41, Andrew Cooper wrote:
> On 16/03/2020 11:00, Jan Beulich wrote:
>> The involved comparison was, very likely inadvertently, converted from
>>> = to > when making changes unrelated to the actual family range.
>>
>> Fixes: 9841eb71ea87 ("x86/cpuid: Drop a guests cached x86 family and model 
>> information")
>> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> 
> Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Paul?

>> --- a/xen/arch/x86/hvm/ioreq.c
>> +++ b/xen/arch/x86/hvm/ioreq.c
>> @@ -1284,7 +1284,7 @@ struct hvm_ioreq_server *hvm_select_iore
>>          if ( CF8_ADDR_HI(cf8) &&
>>               d->arch.cpuid->x86_vendor == X86_VENDOR_AMD &&
>>               (x86_fam = get_cpu_family(
>> -                 d->arch.cpuid->basic.raw_fms, NULL, NULL)) > 0x10 &&
>> +                 d->arch.cpuid->basic.raw_fms, NULL, NULL)) >= 0x10 &&
>>               x86_fam < 0x17 )
>>          {
>>              uint64_t msr_val;
>>
>