linux-kernel - RE: [PATCH v5 6/8] x86/resctrl: Sub NUMA Cluster detection and enable

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Date:   Tue, 26 Sep 2023 20:02:34 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     "babu.moger@....com" <babu.moger@....com>,
        "Yu, Fenghua" <fenghua.yu@...el.com>,
        "Chatre, Reinette" <reinette.chatre@...el.com>,
        "Peter Newman" <peternewman@...gle.com>,
        Jonathan Corbet <corbet@....net>,
        Shuah Khan <skhan@...uxfoundation.org>,
        "x86@...nel.org" <x86@...nel.org>
CC:     Shaopeng Tan <tan.shaopeng@...itsu.com>,
        James Morse <james.morse@....com>,
        Jamie Iles <quic_jiles@...cinc.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "patches@...ts.linux.dev" <patches@...ts.linux.dev>
Subject: RE: [PATCH v5 6/8] x86/resctrl: Sub NUMA Cluster detection and enable

>>>> +#include <linux/mod_devicetable.h>
>>>
>>> I didn't see the need for this include.
>> 
>> struct x86_cpu_id is defined in this #include file.
>
> Actually, the file <asm/cpu_device_id.h> already includes the above file.

It does today. Will it include it next week when somebody has to
re-arrange things to resolve some #include dependency?

I thought there was a guideline somewhere that says to #include
the files that define the things you use. Not just rely on chains of
#includes. But some simple grep's haven't found that written in
Documentation/*

-Tony