linux-kernel - Re: [PATCH] x86/tsc: Add option to force HW timer based recalibration

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <87czgmrfcg.ffs@tglx>
Date:   Mon, 09 May 2022 15:43:43 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Feng Tang <feng.tang@...el.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...el.com>,
        "H . Peter Anvin" <hpa@...or.com>,
        Jonathan Corbet <corbet@....net>, x86@...nel.org,
        linux-kernel@...r.kernel.org, paulmck@...nel.org,
        rui.zhang@...el.com, len.brown@...el.com, tim.c.chen@...el.com
Subject: Re: [PATCH] x86/tsc: Add option to force HW timer based recalibration

On Mon, May 09 2022 at 21:36, Feng Tang wrote:
> On Mon, May 09, 2022 at 03:03:25PM +0200, Thomas Gleixner wrote:
>> TSC accuracy is important in any case. Why would it be more important on
>> server platforms? Just because?
>
> It was my wild guess, as I thought servers used by enterprise or financial
> system may care more about the accuracy.

Guess-ineering is not really leading anywhere. Facts matter.

Thanks,

        tglx