linux-kernel - RE: [PATCH v6 17/30] x86/resctrl: Discover hardware telemetry events

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Message-ID: <SJ1PR11MB6083DEA8AB1E519B14A73414FC43A@SJ1PR11MB6083.namprd11.prod.outlook.com>
Date: Thu, 3 Jul 2025 23:29:52 +0000
From: "Luck, Tony" <tony.luck@...el.com>
To: "Chatre, Reinette" <reinette.chatre@...el.com>
CC: Fenghua Yu <fenghuay@...dia.com>, "Wieczor-Retman, Maciej"
	<maciej.wieczor-retman@...el.com>, Peter Newman <peternewman@...gle.com>,
	James Morse <james.morse@....com>, Babu Moger <babu.moger@....com>, "Drew
 Fustini" <dfustini@...libre.com>, Dave Martin <Dave.Martin@....com>,
	"Keshavamurthy, Anil S" <anil.s.keshavamurthy@...el.com>, "Chen, Yu C"
	<yu.c.chen@...el.com>, "x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"patches@...ts.linux.dev" <patches@...ts.linux.dev>
Subject: RE: [PATCH v6 17/30] x86/resctrl: Discover hardware telemetry events

> > +config X86_RESCTRL_INTEL_AET
> > +   bool "Intel Application Energy Telemetry"
> > +   depends on X86_CPU_RESCTRL && CPU_SUP_INTEL && INTEL_PMT_DISCOVERY
>
> Thank you. This pattern looks more appropriate to me. Do you expect that
> the X86_64 dependency (added in patch #22) will move here also?

Yes. It will move here. The rest of resctrl is still 32-bit clean (presumably ... I
wonder if anyone regularly builds, runs, and tests resctrl in a 32-bit kernel).

-Tony