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

From: Borislav Petkov
Date: Sun Mar 23 2025 - 15:51:33 EST


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.

> We don't know yet what's going on, some TSC skews reported eventually in
> some machines, in a fleet - but "old" processors, Zen 1st gen. Once things
> are more clear, definitely could provide a more mature report of the issue.

Sure.

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

--
Regards/Gruss,
Boris.

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