linux-hardening - Re: [RFC PATCH v2 8/8] selftest mm/mseal mprotect/munmap/mremap/mmap

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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,
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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.