linux-kernel - Re: [PATCH v8 09/13] arch/resctrl: Update the RESCTRL config parameter

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Date:   Fri, 16 Nov 2018 13:17:44 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     "Moger, Babu" <Babu.Moger@....com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
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Subject: Re: [PATCH v8 09/13] arch/resctrl: Update the RESCTRL config
 parameter

On 11/16/18 12:54 PM, Moger, Babu wrote:
> CONFIG_RESCTRL will be used for both Intel and AMD to enable
> Resource Control feature. Update the details and condition accordingly.
> 
> Signed-off-by: Babu Moger <babu.moger@....com>
> ---
>  arch/x86/Kconfig | 19 ++++++++++++++-----
>  1 file changed, 14 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 4aae7aba4d61..c5ef3afa89a6 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -448,13 +448,22 @@ config RETPOLINE
>  config RESCTRL
>  	bool "Resource Control feature support"
>  	default n
> -	depends on X86 && CPU_SUP_INTEL
> +	depends on X86 && (CPU_SUP_INTEL || CPU_SUP_AMD)
>  	select KERNFS
>  	help
> -	  Select to enable resource allocation and monitoring which are
> -	  sub-features of Intel Resource Director Technology(RDT). More
> -	  information about RDT can be found in the Intel x86
> -	  Architecture Software Developer Manual.
> +	  Select to enable Resource Control feature support.
> +
> +	  These features are intended to provide the support for the allocation
> +	  and monitoring the usage of certain system resources by one or more

	  and monitoring of the usage

> +	  processors.
> +
> +	  Intel refers this feature as Intel Resource Director Technology

	        refers to this feature

> +	  (Intel(R) RDT). More information about RDT can be found in the
> +	  Intel x86 Architecture Software Developer Manual.
> +
> +	  AMD refers this feature as AMD Platform Quality of Service(AMD QoS).

	      refers to this feature

> +	  More information about AMD QoS can be found in AMD64 Technology
> +	  Platform Quality of Service Extensions manual.
>  
>  	  Say N if unsure.
>  
> 


-- 
~Randy