Re: [PATCH v3 2/4] selftests/resctrl: Add CPU vendor detection for Hygon

[Xiaochen Shen]

Hi Reinette,

On 12/12/2025 1:23 PM, Reinette Chatre wrote:
> Hi Xiaochen,
> 
> On 12/10/25 10:46 PM, Xiaochen Shen wrote:
>> The resctrl selftest currently fails on Hygon CPUs that support Platform
>> QoS features, printing the error:
>>
>>   "# Can not get vendor info..."
>>
>> This occurs because vendor detection is missing for Hygon CPUs.
>>
>> Fix this by extending the CPU vendor detection logic to include
>> Hygon's vendor ID.
>>
>> Signed-off-by: Xiaochen Shen <shenxiaochen@xxxxxxxxxxxxxx>
>> ---
> 
> Changelog is clear this is a fix, does patch need backport?

Thank you for pointing out this issue.
This patch is not a candidate for backport. I will add a maintainer note:
---------------------------
Maintainer note:
Even though this is a fix it is not a candidate for backport since it is
based on another patch series (x86/resctrl: Fix Platform QoS issues for
Hygon) which is in process of being added to resctrl.
---------------------------

> 
> Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>

Thank you very much!


> 
> Reinette


Best regards,
Xiaochen Shen