Re: [PATCH v4 2/7] x86/resctrl: Drop setting of event_group::force_off when insufficient RMIDs

From: Reinette Chatre

Date: Fri Apr 03 2026 - 20:02:54 EST


Hi Tony,

On 3/30/26 2:43 PM, Tony Luck wrote:
> Setting the force_off flag does not matter when AET features are only
> enumerated once (on first mount).

Missing motivation here. Consider for example:
Enumerating AET features multiple times is needed because ... ?

>
> In preparation for enumeration on every mount, drop this because it
> overrides user request with rdt= boot option to force enable a feature.

Missing answer to:
event_group::force_off is intended to reflect both the user and architecture's
opinion. This removes the architecture setting entirely. This is safe because ...

Missing:
Change definition of event_group::force_off.

Reinette