linux-kernel - Re: [PATCH v5 1/5] x86/cpufeatures: Add {required,disabled} feature configs

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Message-ID: <20250215144423.GEZ7CoR2O3FOKQgfVH@fat_crate.local>
Date: Sat, 15 Feb 2025 15:44:23 +0100
From: Borislav Petkov <bp@...en8.de>
To: "H. Peter Anvin" <hpa@...or.com>
Cc: "Xin Li (Intel)" <xin@...or.com>, linux-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org, tglx@...utronix.de,
	mingo@...hat.com, dave.hansen@...ux.intel.com, x86@...nel.org,
	will@...nel.org, peterz@...radead.org, yury.norov@...il.com,
	akpm@...ux-foundation.org, acme@...nel.org, namhyung@...nel.org,
	brgerst@...il.com, andrew.cooper3@...rix.com, nik.borisov@...e.com
Subject: Re: [PATCH v5 1/5] x86/cpufeatures: Add {required,disabled} feature
 configs

On Sat, Feb 15, 2025 at 06:35:52AM -0800, H. Peter Anvin wrote:
> A bunch of flags in Kconfig.cpu have exactly the meaning of "this CPU is
> guaranteed to have this feature."

... and we won't add new ones which are required any time soon so we might as
well make the required ones really be called "REQUIRED" and have those defines
basically self-document themselves...?

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette