linux-kernel - Re: [PATCH v3 00/15] Prepare for new Intel Family numbers

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Message-ID: <df1b95d7-c953-4757-b742-3072f65539f7@intel.com>
Date: Mon, 17 Mar 2025 10:09:31 -0700
From: Sohil Mehta <sohil.mehta@...el.com>
To: <x86@...nel.org>, Dave Hansen <dave.hansen@...ux.intel.com>, Ingo Molnar
	<mingo@...hat.com>
CC: Peter Zijlstra <peterz@...radead.org>, Arnaldo Carvalho de Melo
	<acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Mark Rutland
	<mark.rutland@....com>, Alexander Shishkin
	<alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, "Ian
 Rogers" <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, "Kan
 Liang" <kan.liang@...ux.intel.com>, Thomas Gleixner <tglx@...utronix.de>,
	Borislav Petkov <bp@...en8.de>, "H . Peter Anvin" <hpa@...or.com>, "Rafael J
 . Wysocki" <rafael@...nel.org>, Len Brown <lenb@...nel.org>, Andy Lutomirski
	<luto@...nel.org>, Viresh Kumar <viresh.kumar@...aro.org>, Jean Delvare
	<jdelvare@...e.com>, Guenter Roeck <linux@...ck-us.net>, Zhang Rui
	<rui.zhang@...el.com>, Andrew Cooper <andrew.cooper3@...rix.com>, "David
 Laight" <david.laight.linux@...il.com>, Dapeng Mi
	<dapeng1.mi@...ux.intel.com>, <linux-perf-users@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-acpi@...r.kernel.org>,
	<linux-pm@...r.kernel.org>, Tony Luck <tony.luck@...el.com>
Subject: Re: [PATCH v3 00/15] Prepare for new Intel Family numbers

On 2/19/2025 10:41 AM, Sohil Mehta wrote:
> ---Summary---
> Mainstream Intel processors have been using Family 6 for a couple of decades.
> This series is an audit of all the arch/x86 Intel Family-model checks to get
> ready for the upcoming Family 18 and 19 models. It also converts the last
> reamaining Intel x86_model checks to VFM ones.
> 
> Patch 1-8 : Include Dave Hansen's Acked-by.
> Patch 9-15: Almost ready to merge but don't have review tags yet.
> 

Is there any additional feedback?

Most patches have review tags now or are simple enough that they might
not need one. Patch 11 can probably use another look.

Patch 14 is the only one that has a minor change. Seeking additional
input before spinning another revision.

> ---v3 changes---
> * Reordered the patches and moved the Acked ones to the front since they are
>   likely to get applied sooner.
> * Patches 11 and 14 have a slightly different approach now. 
> * Improved commit messages overall.
> * Dropped the drivers/ fixes. Will post them separately.
> 
> ---Previous versions---
> Refer the v2 cover letter for more background.
> 
> v2: https://lore.kernel.org/lkml/20250211194407.2577252-1-sohil.mehta@intel.com/
> RFC-v1: https://lore.kernel.org/lkml/20241220213711.1892696-1-sohil.mehta@intel.com/
> 
> Sohil Mehta (15):
>   x86/apic: Fix 32-bit APIC initialization for extended Intel Families
>   x86/cpu/intel: Fix the movsl alignment preference for extended
>     Families
>   x86/microcode: Update the Intel processor flag scan check
>   x86/mtrr: Modify a x86_model check to an Intel VFM check
>   x86/cpu/intel: Replace early Family 6 checks with VFM ones
>   x86/cpu/intel: Replace Family 15 checks with VFM ones
>   x86/cpu/intel: Replace Family 5 model checks with VFM ones
>   x86/acpi/cstate: Improve Intel Family model checks
>   x86/smpboot: Remove confusing quirk usage in INIT delay
>   x86/smpboot: Fix INIT delay assignment for extended Intel Families
>   x86/cpu/intel: Fix fast string initialization for extended Families
>   x86/pat: Replace Intel x86_model checks with VFM ones
>   x86/cpu/intel: Bound the non-architectural constant_tsc model checks
>   perf/x86: Simplify Intel PMU initialization
>   perf/x86/p4: Replace Pentium 4 model checks with VFM ones
>