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Message-ID:
 <DM4PR12MB6351BAC3EDC9BD184D5D1FAFF7682@DM4PR12MB6351.namprd12.prod.outlook.com>
Date: Thu, 11 Jan 2024 08:10:48 +0000
From: "Meng, Li (Jassmine)" <Li.Meng@....com>
To: Borislav Petkov <bp@...en8.de>
CC: "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>, "Huang, Ray"
	<Ray.Huang@....com>, "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>, "linux-acpi@...r.kernel.org"
	<linux-acpi@...r.kernel.org>, Shuah Khan <skhan@...uxfoundation.org>,
	"linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>,
	"Fontenot, Nathan" <Nathan.Fontenot@....com>, "Sharma, Deepak"
	<Deepak.Sharma@....com>, "Deucher, Alexander" <Alexander.Deucher@....com>,
	"Limonciello, Mario" <Mario.Limonciello@....com>, "Huang, Shimmer"
	<Shimmer.Huang@....com>, "Yuan, Perry" <Perry.Yuan@....com>, "Du, Xiaojian"
	<Xiaojian.Du@....com>, Viresh Kumar <viresh.kumar@...aro.org>, Oleksandr
 Natalenko <oleksandr@...alenko.name>
Subject: RE: [PATCH V12 1/7] x86: Drop CPU_SUP_INTEL from SCHED_MC_PRIO for
 the expansion.

[AMD Official Use Only - General]

Hi Petkov:

> -----Original Message-----
> From: Borislav Petkov <bp@...en8.de>
> Sent: Wednesday, January 10, 2024 6:04 PM
> To: Meng, Li (Jassmine) <Li.Meng@....com>
> Cc: Rafael J . Wysocki <rafael.j.wysocki@...el.com>; Huang, Ray
> <Ray.Huang@....com>; linux-pm@...r.kernel.org; linux-
> kernel@...r.kernel.org; x86@...nel.org; linux-acpi@...r.kernel.org; Shuah
> Khan <skhan@...uxfoundation.org>; linux-kselftest@...r.kernel.org;
> Fontenot, Nathan <Nathan.Fontenot@....com>; Sharma, Deepak
> <Deepak.Sharma@....com>; Deucher, Alexander
> <Alexander.Deucher@....com>; Limonciello, Mario
> <Mario.Limonciello@....com>; Huang, Shimmer
> <Shimmer.Huang@....com>; Yuan, Perry <Perry.Yuan@....com>; Du,
> Xiaojian <Xiaojian.Du@....com>; Viresh Kumar <viresh.kumar@...aro.org>;
> Oleksandr Natalenko <oleksandr@...alenko.name>
> Subject: Re: [PATCH V12 1/7] x86: Drop CPU_SUP_INTEL from
> SCHED_MC_PRIO for the expansion.
>
> Caution: This message originated from an External Source. Use proper
> caution when opening attachments, clicking links, or responding.
>
>
> On Wed, Jan 10, 2024 at 06:59:25AM +0000, Meng, Li (Jassmine) wrote:
> > The reason why I added the selects is just to distinguish different
> > pstate drivers.  These two drivers cannot be supported simultaneously
> > in the same project.
>
> No, that's not what I meant. Read here:
>
> "- reverse dependencies: "select" <symbol> ["if" <expr>]
>
>   While normal dependencies reduce the upper limit of a symbol (see
>   below), reverse dependencies can be used to force a lower limit of
>   another symbol. The value of the current menu symbol is used as the
>   minimal value <symbol> can be set to. If <symbol> is selected multiple
>   times, the limit is set to the largest selection.
>   Reverse dependencies can only be used with boolean or tristate
>   symbols.
>
>   Note:
>         select should be used with care. select will force
>         a symbol to a value without visiting the dependencies.
>         By abusing select you are able to select a symbol FOO even
>         if FOO depends on BAR that is not set.
>         In general use select only for non-visible symbols
>         (no prompts anywhere) and for symbols with no dependencies.
>         That will limit the usefulness but on the other hand avoid
>         the illegal configurations all over."
>
> From Documentation/kbuild/kconfig-language.rst
>
[Meng, Li (Jassmine)] Thanks a lot.
I will modify it soon.

> --
> Regards/Gruss,
>     Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette

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