linux-kernel - Re: [PATCH] Allow selecting amd-pstate without CPU_SUP

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Message-ID: <YYjqNaND8hLGsoXg@hr-amd>
Date:   Mon, 8 Nov 2021 17:13:25 +0800
From:   Huang Rui <ray.huang@....com>
To:     Stefano Picascia <stefano.picascia@...iberia.net>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Allow selecting amd-pstate without CPU_SUP_INTEL

On Sat, Nov 06, 2021 at 07:55:29PM +0800, Stefano Picascia wrote:
> Currently, even if selected, amd-pstate is not enabled unless
> CPU_SUP_INTEL is also selected, due to ACPI_CPPC_LIB depending on
> SCHED_MC_PRIO, which in turn depens on CPU_SUP_INTEL

Actually, amd-pstate driver doesn't depend on SCHED_MC_PRIO. I will clean
it up in my V3. Thanks.

Best Regards,
Ray

> 
> The small patch below fixes it.
> 
> 
> --- a/arch/x86/Kconfig	2021-10-31 20:53:10.000000000 +0000
> +++ b/arch/x86/Kconfig	2021-11-06 09:22:46.736533394 +0000
> @@ -1015,8 +1015,7 @@
>  
>  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 && (CPU_SUP_INTEL || CPU_SUP_AMD)
>  	select CPU_FREQ
>  	default y
>  	help
> 
>