linux-kernel - Re: [RFC PATCH 2/4] cpufreq: acpi-cpufreq: Add processor to the ignore PSD override list

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Message-ID: <20201207202610.GG20489@zn.tnic>
Date:   Mon, 7 Dec 2020 21:26:10 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Wei Huang <whuang2@....com>
Cc:     Punit Agrawal <punitagrawal@...il.com>, rjw@...ysocki.net,
        wei.huang2@....com, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, x86@...nel.org
Subject: Re: [RFC PATCH 2/4] cpufreq: acpi-cpufreq: Add processor to the
 ignore PSD override list

On Mon, Dec 07, 2020 at 02:20:55PM -0600, Wei Huang wrote:
> In summary, this patch is fine if Punit already verified it. My only
> concern is the list can potentially increase over the time, and we will
> keep coming back to fix override_acpi_psd() function.

Can the detection be done by looking at those _PSD things instead of
comparing f/m/s?

And, alternatively, what is this fixing?

So what if some zen2 boxes have correct _PSD objects? Why do they need
to ignore the override?

Hmmm?

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette