linux-kernel - Re: [PATCH v2 09/12] x86/msr: Use the alternatives mechanism for WRMSR

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Message-ID: <20251001072340.GM3245006@noisy.programming.kicks-ass.net>
Date: Wed, 1 Oct 2025 09:23:40 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Jürgen Groß <jgross@...e.com>
Cc: linux-kernel@...r.kernel.org, x86@...nel.org, llvm@...ts.linux.dev,
	xin@...or.com, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>
Subject: Re: [PATCH v2 09/12] x86/msr: Use the alternatives mechanism for
 WRMSR

On Wed, Oct 01, 2025 at 08:43:39AM +0200, Peter Zijlstra wrote:

> Let me see how terrible it all ends up when using as macros

Argh, as macros are differently painful. I hate computers :/