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From:   Thomas Gleixner <tglx@linutronix.de>
To:     Feng Tang <feng.tang@intel.com>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        Dave Hansen <dave.hansen@intel.com>,
        "H . Peter Anvin" <hpa@zytor.com>,
        Jonathan Corbet <corbet@lwn.net>, x86@kernel.org,
        linux-kernel@vger.kernel.org, paulmck@kernel.org,
        rui.zhang@intel.com, len.brown@intel.com, tim.c.chen@intel.com
Subject: Re: [PATCH] x86/tsc: Add option to force HW timer based recalibration
In-Reply-To: <20220509133622.GE40730@shbuild999.sh.intel.com>
References: <20220508144733.91343-1-feng.tang@intel.com>
 <20220509045839.GA40730@shbuild999.sh.intel.com>
 <20220509071652.GE76023@worktop.programming.kicks-ass.net>
 <20220509073003.GB40730@shbuild999.sh.intel.com> <87h75zrpmh.ffs@tglx>
 <20220509112235.GD40730@shbuild999.sh.intel.com> <87levarh7m.ffs@tglx>
 <20220509133622.GE40730@shbuild999.sh.intel.com>
Date:   Mon, 09 May 2022 15:43:43 +0200
Message-ID: <87czgmrfcg.ffs@tglx>
MIME-Version: 1.0
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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