linux-kernel - Re: [PATCH V8 1/7] x86: Drop CPU_SUP_INTEL from SCHED_MC

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Message-ID: <20231009060917.ayqb2akceu5jf5qa@BLR-5CG13462PL.amd.com>
Date:   Mon, 9 Oct 2023 11:49:03 +0530
From:   Wyes Karny <wyes.karny@....com>
To:     Meng Li <li.meng@....com>
CC:     Wyes Karny <wyes.karny@....com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Huang Rui <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>,
        Nathan Fontenot <nathan.fontenot@....com>,
        Deepak Sharma <deepak.sharma@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Mario Limonciello <mario.limonciello@....com>,
        Shimmer Huang <shimmer.huang@....com>,
        Perry Yuan <Perry.Yuan@....com>,
        Xiaojian Du <Xiaojian.Du@....com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Borislav Petkov <bp@...en8.de>
Subject: Re: [PATCH V8 1/7] x86: Drop CPU_SUP_INTEL from SCHED_MC_PRIO for the expansion.

On 09 Oct 10:49, Meng Li wrote:
> amd-pstate driver also uses SCHED_MC_PRIO, so decouple the requirement
> of CPU_SUP_INTEL from the dependencies to allow compilation in kernels
> without Intel CPU support.
> 
> Reviewed-by: Mario Limonciello <mario.limonciello@....com>
> Reviewed-by: Huang Rui <ray.huang@....com>
Reviewed-by: Wyes Karny <wyes.karny@....com>
> Signed-off-by: Meng Li <li.meng@....com>
> ---
>  arch/x86/Kconfig | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 66bfabae8814..a2e163acf623 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -1054,8 +1054,9 @@ config SCHED_MC
>  
>  config SCHED_MC_PRIO
>  	bool "CPU core priorities scheduler support"
> -	depends on SCHED_MC && CPU_SUP_INTEL
> -	select X86_INTEL_PSTATE
> +	depends on SCHED_MC
> +	select X86_INTEL_PSTATE if CPU_SUP_INTEL
> +	select X86_AMD_PSTATE if CPU_SUP_AMD && ACPI
>  	select CPU_FREQ
>  	default y
>  	help
> -- 
> 2.34.1
>