linux-kernel - Re: RFE: Make ANDROID_BINDER

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Message-ID: <2025081612-unpledged-agnostic-7fb3@gregkh>
Date: Sat, 16 Aug 2025 19:32:38 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Diederik de Haas <didi.debian@...ow.org>
Cc: Todd Kjos <tkjos@...gle.com>,
	Arve Hjønnevåg <arve@...roid.com>,
	Todd Kjos <tkjos@...roid.com>, Martijn Coenen <maco@...roid.com>,
	Joel Fernandes <joelagnelf@...dia.com>,
	Christian Brauner <brauner@...nel.org>,
	Carlos Llamas <cmllamas@...gle.com>,
	Suren Baghdasaryan <surenb@...gle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: RFE: Make ANDROID_BINDER_IPC tristate

On Sat, Aug 16, 2025 at 07:26:16PM +0200, Diederik de Haas wrote:
> On Sat Aug 16, 2025 at 6:37 PM CEST, Todd Kjos wrote:
> > This is not feasible since binder relies on many kernel internal functions
> > and data that cannot be exported for loadable module. Patches for this have
> > been attempted in the past, but soundly rejected. You can see some of that
> > discussion at
> > https://lore.kernel.org/lkml/20180730143710.14413-1-christian@brauner.io/.
> 
> That seems to be the upstreaming attempt (or at least trying to start a
> discussion about it) of the initial patch.
> A lot could've happened in these 7 years, but apparently not enough for
> a different outcome. Good to know, thanks :-)
> 
> FWIW these are the current ones:
> https://salsa.debian.org/kernel-team/linux/-/blob/debian/6.16.1-1_exp1/debian/patches/debian/export-symbols-needed-by-binder.patch

Ah, that makes more sense, that patch is not going to be accepted
upsteam sorry.

greg k-h