linux-kernel - Re: [PATCH 2/2] pidfd: add pidfdfs

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Date: Tue, 12 Mar 2024 15:09:23 +0100
From: Christian Brauner <brauner@...nel.org>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: linux-fsdevel@...r.kernel.org, 
	Linus Torvalds <torvalds@...ux-foundation.org>, Alexander Viro <viro@...iv.linux.org.uk>, 
	Seth Forshee <sforshee@...nel.org>, Tycho Andersen <tycho@...ho.pizza>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] pidfd: add pidfdfs

> What is the risk this will not stay entirely optional?  I.e. can it
> become a requirement for modern userspace, and thus be used as a stick
> to kill support for 32-bit architectures?

Yeah, Linus has requested to remove the config option.
I'm about to send him a patch.