From: Greg KH <gregkh@linuxfoundation.org>
To: Daniel J Blueman <daniel@quora.org>
Cc: stable@vger.kernel.org
Subject: Re: x86/tsc: Trust initial offset in architectural TSC-adjust MSRs
Date: Mon, 27 May 2024 20:10:39 +0200 [thread overview]
Message-ID: <2024052729-anthology-graves-7533@gregkh> (raw)
In-Reply-To: <CAMVG2sv-ZR5UET0wDQM_FvNsARSgrtPsyn+PBzX-U91ainV7nQ@mail.gmail.com>
On Mon, May 27, 2024 at 07:11:00PM +0800, Daniel J Blueman wrote:
> On present kernels, HPET fallback occurs on some 8-16 socket x86
> systems due to the TSC adjust architectural MSR not being respected.
>
> This was fixed upstream in commit 455f9075f14484f358b3c1d6845b4a438de198a7.
>
> Please backport this fix to -stable for 6.9, 6.8, 6.6, 6.1, 5.15,
> 5.10, 5.4 and 4.19 branches to allow correct TSC operation on existing
> distros using these kernels. The patch cleanly applies to all of these
> latest -stable branches.
Now queued up, thanks.
greg k-h
prev parent reply other threads:[~2024-05-27 18:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-27 11:11 x86/tsc: Trust initial offset in architectural TSC-adjust MSRs Daniel J Blueman
2024-05-27 18:10 ` Greg KH [this message]
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