linux-kernel - Re: [PATCH] x86: add 'runtime constant' infrastructure

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Message-ID: <20240610120201.GAZmbrOYmcA21kD8NB@fat_crate.local>
Date: Mon, 10 Jun 2024 14:02:01 +0200
From: Borislav Petkov <bp@...en8.de>
To: Peter Zijlstra <peterz@...radead.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
	Peter Anvin <hpa@...or.com>, Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	the arch/x86 maintainers <x86@...nel.org>,
	linux-arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH] x86: add 'runtime constant' infrastructure

On Mon, Jun 10, 2024 at 12:43:52PM +0200, Peter Zijlstra wrote:
> Yes, the approach is super simple and straight forward, but imagine
> there being like a 100 symbols soon :/

I think we should accept patches using this only when there really is
a good, perf reason for doing so. Not "I wanna use this fance shite in
my new driver just because...".

-- 
Regards/Gruss,
    Boris.

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