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Message-ID: <20231020152354.GC31411@noisy.programming.kicks-ass.net>
Date:   Fri, 20 Oct 2023 17:23:54 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Muhammad Usama Anjum <usama.anjum@...labora.com>
Cc:     jeffxu@...omium.org, akpm@...ux-foundation.org,
        keescook@...omium.org, jannh@...gle.com, sroettger@...gle.com,
        willy@...radead.org, gregkh@...uxfoundation.org,
        torvalds@...ux-foundation.org, jeffxu@...gle.com,
        jorgelo@...omium.org, groeck@...omium.org,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-mm@...ck.org, surenb@...gle.com, alex.sierra@....com,
        apopple@...dia.com, aneesh.kumar@...ux.ibm.com,
        axelrasmussen@...gle.com, ben@...adent.org.uk,
        catalin.marinas@....com, david@...hat.com, dwmw@...zon.co.uk,
        ying.huang@...el.com, hughd@...gle.com, joey.gouly@....com,
        corbet@....net, wangkefeng.wang@...wei.com,
        Liam.Howlett@...cle.com, lstoakes@...il.com, mawupeng1@...wei.com,
        linmiaohe@...wei.com, namit@...are.com, peterx@...hat.com,
        ryan.roberts@....com, shr@...kernel.io, vbabka@...e.cz,
        xiujianfeng@...wei.com, yu.ma@...el.com, zhangpeng362@...wei.com,
        dave.hansen@...el.com, luto@...nel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [RFC PATCH v2 8/8] selftest mm/mseal mprotect/munmap/mremap/mmap

On Fri, Oct 20, 2023 at 07:24:03PM +0500, Muhammad Usama Anjum wrote:

> Please remove these. These macros would be picked up from the kernel
> headers automatically.

As per the previous discussions, how does that work if you have O= build
directories?

I find this push to force people to do 'make headers' in order to use
simple selftests quite misguided. You're making it *harder* to use,
leading to less use.

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