Re: [PATCH v9 02/12] x86/resctrl: Require 64-bit x86 for resctrl support

[Reinette Chatre <reinette.chatre@intel.com>]

Hi Chenyu,

On 10/13/26 7:58 PM, Chen Yu wrote:
> From: Tony Luck <tony.luck@intel.com>
> 
> Intel Application Energy Telemetry (AET) provides event counts in 64-bit
> registers in MMIO space. For accurate results these should be read with a
> single 64-bit load operation from the CPU.
> 
> In preparation for the removal of the separate CONFIG_X86_CPU_RESCTRL_INTEL_AET
> configuration option, move the X86_64 dependency to X86_CPU_RESCTRL.
> 
> This is in line with Dave Hansen's proposal[1] for an addition to Linux
> documentation that details reduced 32-bit x86 support.
> 
> Signed-off-by: Tony Luck <tony.luck@intel.com>
> Signed-off-by: Chen Yu <yu.c.chen@intel.com>
> Link: https://lore.kernel.org/all/c6ab0c24-8931-4f0d-9be6-23498ab4c38b@intel.com/ # [1]
> ---
> Changes since v8:
> - Pick up the latest version of this patch from the AET series so that
>   both series carry identical versions. Changelog wording only, no code

Please do continue to keep a note in patch changelog explaining that this is
picked from the AET work to help explain why the changelog is unrelated to rest of
the series.

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

Reinette