Re: [PATCH v8 2/9] x86/resctrl: Require 64-bit x86 for resctrl support

[Chen Yu <chen.yu@linux.dev>]

Hi Reinette,

On Mon, Sep 28, 2026 at 02:21:40PM -0700, Reinette Chatre wrote:
> Hi Chenyu,
> 
> On 9/17/26 9:48 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 in line with Dave Hansen's proposal[1] for an addition to Linux
> > documentation that details the state of 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]
> > ---
> 
> This patch is being submitted as part of two different series. That is ok
> but the versions need to be consistent. To help with this I'll not add any
> comments here but instead just point to most recent review:
> 
> https://lore.kernel.org/lkml/15de2e2f-fc2e-4d06-9179-100398865624@intel.com/
>

OK, I'll pick up the latest one from Tony in the next version.

Thanks,
Chenyu