linux-kernel - Re: [PATCH] x86/tsc: Add debugfs entry to mark TSC as unstable after boot

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Message-ID: <d43653c5-6e54-0c59-17c4-acd09d61e9b2@igalia.com>
Date: Sun, 23 Mar 2025 16:59:14 -0300
From: "Guilherme G. Piccoli" <gpiccoli@...lia.com>
To: Borislav Petkov <bp@...en8.de>
Cc: Thomas Gleixner <tglx@...utronix.de>, "H. Peter Anvin" <hpa@...or.com>,
 x86@...nel.org, linux-kernel@...r.kernel.org, mingo@...hat.com,
 dave.hansen@...ux.intel.com, kernel@...ccoli.net, kernel-dev@...lia.com
Subject: Re: [PATCH] x86/tsc: Add debugfs entry to mark TSC as unstable after
 boot

On 23/03/2025 16:51, Borislav Petkov wrote:
> On Sun, Mar 23, 2025 at 04:21:44PM -0300, Guilherme G. Piccoli wrote:
>> This is great to hear - is there any starting point model that you know
>> AMD introduced/is introducing TSC_ADJUST?
> 
> Zen5.
>

Thanks! Nice improvement from AMD =)

> [...]
> Zen1 should not have TSC problems either. If it does, whack BIOS people.
> 

Heheh
OK, thanks for confirming!