From: Reinette Chatre <reinette.chatre@intel.com>
To: Tony Luck <tony.luck@intel.com>, Fenghua Yu <fenghuay@nvidia.com>,
"Maciej Wieczor-Retman" <maciej.wieczor-retman@intel.com>,
Peter Newman <peternewman@google.com>,
James Morse <james.morse@arm.com>,
Babu Moger <babu.moger@amd.com>,
Drew Fustini <dfustini@baylibre.com>,
Dave Martin <Dave.Martin@arm.com>, Chen Yu <yu.c.chen@intel.com>,
David E Box <david.e.box@intel.com>, <x86@kernel.org>
Cc: Christoph Hellwig <hch@infradead.org>,
<linux-kernel@vger.kernel.org>, <patches@lists.linux.dev>
Subject: Re: [PATCH v9 11/12] x86/resctrl: Simplify Kconfig options for resctrl
Date: Wed, 8 Jul 2026 16:01:00 -0700 [thread overview]
Message-ID: <87950b8d-c7f2-42dc-a2ca-2d389304ef16@intel.com> (raw)
In-Reply-To: <20260701213553.15222-12-tony.luck@intel.com>
Hi Tony,
On 7/1/26 2:35 PM, Tony Luck wrote:
> Linus Torvalds complained[1] about Kconfig complexity making it too
> hard for "random people to build their own kernels".
>
> CONFIG_X86_CPU_RESCTRL_INTEL_AET has been causing problems since it was
> first added as it required other config options to be set to "built-in".
>
> AET now resolves PMT symbols at runtime via the registration API,
> so INTEL_PMT_TELEMETRY no longer needs to be built-in. This means
> that AET can be included unconditionally as part of X86_CPU_RESCTRL.
>
> CONFIG_X86_CPU_RESCTRL now depends on X86_64 because reading telemetry
> data needs readq().
Above reads as though it is a new dependency as opposed to an existing dependency
that moves one level up. How about something like:
Move the X86_64 dependency of the removed AET config up to CONFIG_X86_CPU_RESCTRL.
Reinette
next prev parent reply other threads:[~2026-07-08 23:01 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-01 21:35 [PATCH v9 00/12] Allow AET to use PMT as loadable module Tony Luck
2026-07-01 21:35 ` [PATCH v9 01/12] platform/x86/intel/{pmt,vsec}: Prevent unbind via sysfs Tony Luck
2026-07-08 22:45 ` Reinette Chatre
2026-07-09 17:41 ` Luck, Tony
2026-07-09 20:48 ` Reinette Chatre
2026-07-09 21:12 ` Luck, Tony
2026-07-10 17:01 ` Luck, Tony
2026-07-10 20:24 ` Luck, Tony
2026-07-01 21:35 ` [PATCH v9 02/12] fs/resctrl: Remove redundant calls to resctrl_arch_mon_capable() Tony Luck
2026-07-01 21:35 ` [PATCH v9 03/12] x86/resctrl: Honor rdt=perf option to force enable AET perf events Tony Luck
2026-07-08 22:46 ` Reinette Chatre
2026-07-10 20:29 ` Luck, Tony
2026-07-01 21:35 ` [PATCH v9 04/12] fs/resctrl: Add interface to disable a monitor event Tony Luck
2026-07-01 21:35 ` [PATCH v9 05/12] x86/resctrl: Drop global 'rdt_mon_capable' flag Tony Luck
2026-07-08 22:47 ` Reinette Chatre
2026-07-10 20:31 ` Luck, Tony
2026-07-01 21:35 ` [PATCH v9 06/12] arm,x86,fs/resctrl: Handle change in number of RMIDs on each mount Tony Luck
2026-07-08 22:50 ` Reinette Chatre
2026-07-10 20:51 ` Luck, Tony
2026-07-01 21:35 ` [PATCH v9 07/12] x86/resctrl: Add PMT registration API for AET enumeration callbacks Tony Luck
2026-07-08 22:51 ` Reinette Chatre
2026-07-10 20:54 ` Luck, Tony
2026-07-01 21:35 ` [PATCH v9 08/12] platform/x86/intel/pmt: Register enumeration functions with resctrl Tony Luck
2026-07-01 21:35 ` [PATCH v9 09/12] arm,x86/resctrl: Resolve INTEL_PMT_TELEMETRY symbols at runtime Tony Luck
2026-07-08 22:52 ` Reinette Chatre
2026-07-10 20:59 ` Luck, Tony
2026-07-01 21:35 ` [PATCH v9 10/12] fs/resctrl: Call architecture hooks for every mount/unmount Tony Luck
2026-07-08 22:53 ` Reinette Chatre
2026-07-10 21:01 ` Luck, Tony
2026-07-01 21:35 ` [PATCH v9 11/12] x86/resctrl: Simplify Kconfig options for resctrl Tony Luck
2026-07-08 23:01 ` Reinette Chatre [this message]
2026-07-10 21:08 ` Luck, Tony
2026-07-01 21:35 ` [PATCH v9 12/12] Documentation/filesystems/resctrl: Document telemetry mount timing caveat Tony Luck
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