linux-kernel - Re: [PATCH V5 1/7] x86: Drop CPU_SUP_INTEL from SCHED_MC

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Date:   Tue, 5 Sep 2023 17:32:08 -0500
From:   Mario Limonciello <mario.limonciello@....com>
To:     Meng Li <li.meng@....com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Huang Rui <ray.huang@....com>
Cc:     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>,
        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 V5 1/7] x86: Drop CPU_SUP_INTEL from SCHED_MC_PRIO for the
 expansion.

On 9/4/2023 20:51, 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.
> 
> Signed-off-by: Meng Li <li.meng@....com>

Reviewed-by: Mario Limonciello <mario.limonciello@....com>

> ---
>   arch/x86/Kconfig | 5 +++--
>   1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 8d9e4b362572..887421b5ee8f 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -1052,8 +1052,9 @@ 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
>   	select CPU_FREQ
>   	default y
>   	help