linux-kernel - Re: [PATCH v4 10/10] cacheinfo: Move resctrl's get_cache

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Date:   Thu, 28 May 2020 13:46:32 -0700
From:   Reinette Chatre <reinette.chatre@...el.com>
To:     James Morse <james.morse@....com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Cc:     Fenghua Yu <fenghua.yu@...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>
Subject: Re: [PATCH v4 10/10] cacheinfo: Move resctrl's get_cache_id() to the
 cacheinfo header file

Hi James,

On 5/26/2020 6:40 AM, James Morse wrote:
> resctrl/core.c defines get_cache_id() for use in its cpu-hotplug
> callbacks. This gets the id attribute of the cache at the corresponding
> level of a cpu.
> 
> Later rework means this private function needs to be shared. Move
> it to the header file.
> 
> The name conflicts with a different definition in intel_cacheinfo.c,
> name it get_cpu_cacheinfo_id() to show its relation with
> get_cpu_cacheinfo().
> 
> Now this is visible on other architectures, check the id attribute
> has actually been set.
> 
> Signed-off-by: James Morse <james.morse@....com>
> Reviewed-by: Babu Moger <babu.moger@....com>
> ---

Moving this out of resctrl seems appropriate, thank you.

For the resctrl portions:
Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>

Reinette