linux-kernel - Re: [PATCH 11/12] x86/mm: enable AMD translation cache extensions

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Message-ID: <20250110195838.GFZ4F77mf1kgyya5Du@fat_crate.local>
Date: Fri, 10 Jan 2025 20:58:38 +0100
From: Borislav Petkov <bp@...en8.de>
To: Rik van Riel <riel@...riel.com>
Cc: Tom Lendacky <thomas.lendacky@....com>, x86@...nel.org,
	linux-kernel@...r.kernel.org, kernel-team@...a.com,
	dave.hansen@...ux.intel.com, luto@...nel.org, peterz@...radead.org,
	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	akpm@...ux-foundation.org, nadav.amit@...il.com,
	zhengqi.arch@...edance.com, linux-mm@...ck.org
Subject: Re: [PATCH 11/12] x86/mm: enable AMD translation cache extensions

On Fri, Jan 10, 2025 at 02:45:27PM -0500, Rik van Riel wrote:
> Is this the right location for that code, or
> do I need to move it somewhere else to
> guarantee TCE gets enabled on every CPU?

Didn't I answer this already?

https://lore.kernel.org/r/20250102115237.GGZ3Z-BUqBauHEfB10@fat_crate.local

And you should put it in init_amd() as it runs on every CPU.

-- 
Regards/Gruss,
    Boris.

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