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

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Message-ID: <df3010dcff3800e420ef88596a76e380b5d278d6.camel@surriel.com>
Date: Fri, 10 Jan 2025 15:43:22 -0500
From: Rik van Riel <riel@...riel.com>
To: Borislav Petkov <bp@...en8.de>
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, 2025-01-10 at 20:58 +0100, Borislav Petkov wrote:
> 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.
> 
Thank you for telling me about init_amd().

I wasn't sure where in amd.c to put it.

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