linux-kernel - Re: [PATCH v1 02/20] x86/resctrl: Merge mon_capable and mon

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Message-ID: <YRO/ePm75ekuO+6j@hazel>
Date:   Wed, 11 Aug 2021 13:15:52 +0100
From:   Jamie Iles <jamie@...iainc.com>
To:     James Morse <james.morse@....com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Fenghua Yu <fenghua.yu@...el.com>,
        Reinette Chatre <reinette.chatre@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        H Peter Anvin <hpa@...or.com>,
        Babu Moger <Babu.Moger@....com>,
        shameerali.kolothum.thodi@...wei.com,
        Jamie Iles <jamie@...iainc.com>,
        D Scott Phillips OS <scott@...amperecomputing.com>,
        lcherian@...vell.com, bobo.shaobowang@...wei.com
Subject: Re: [PATCH v1 02/20] x86/resctrl: Merge mon_capable and mon_enabled

Hi James,

On Thu, Jul 29, 2021 at 10:35:52PM +0000, James Morse wrote:
> mon_enabled and mon_capable are always set as a pair by
> rdt_get_mon_l3_config().
> 
> There is no point having two values.
> 
> Merge them together.
> 
> Signed-off-by: James Morse <james.morse@....com>
> ---
>  arch/x86/kernel/cpu/resctrl/internal.h | 4 ----
>  arch/x86/kernel/cpu/resctrl/monitor.c  | 1 -
>  arch/x86/kernel/cpu/resctrl/rdtgroup.c | 8 ++++----
>  include/linux/resctrl.h                | 4 ++--
>  4 files changed, 6 insertions(+), 11 deletions(-)
> 
...
> diff --git a/include/linux/resctrl.h b/include/linux/resctrl.h
> index ada0a02093a6..d715df9de37f 100644
> --- a/include/linux/resctrl.h
> +++ b/include/linux/resctrl.h
> @@ -130,7 +130,7 @@ struct resctrl_schema;
>  /**
>   * struct rdt_resource - attributes of a resctrl resource
>   * @rid:		The index of the resource
> - * @mon_enabled:	Is monitoring enabled for this feature
> + * @cdp_enabled		Is CDP enabled for this resource
>   * @alloc_capable:	Is allocation available on this machine
>   * @mon_capable:	Is monitor feature available on this machine
>   * @num_rmid:		Number of RMIDs available
> @@ -149,7 +149,7 @@ struct resctrl_schema;
>   */
>  struct rdt_resource {
>  	int			rid;
> -	bool			mon_enabled;
> +	bool			cdp_enabled;

Nothing is setting cdp_enabled in this patch, is this intended to be 
here?

Thanks,

Jamie