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

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Message-ID: <20201208233216.GH27920@zn.tnic>
Date:   Wed, 9 Dec 2020 00:32:16 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Punit Agrawal <punitagrawal@...il.com>
Cc:     Wei Huang <whuang2@....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 Wed, Dec 09, 2020 at 08:21:48AM +0900, Punit Agrawal wrote:
> According to the commit log, acd316248205 seems to be only targeted at
> powernow-K8 -

No, it is not targeted at powernow-k8 - acpi-cpufreq.c is what is used
on AMD hw. He means to make acpi-cpufreq's behavior consistent with
powernow-k8.

> But if that is not available, the only way we have is to include
> systems that have been verified to not need the override

You have verified exactly *one* system - yours. Or are you sure that
*all* family 0x17, model 0x60, stepping 0x1 machines don't need the
override?

Also, you still haven't explained what you're trying to fix here.

-- 
Regards/Gruss,
    Boris.

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