linux-kernel - Re: [PATCH v4 06/17] kbuild: add stamp file for vmlinux BTF data

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Message-ID: <aYYWr41jImi3byr8@levanger>
Date: Fri, 6 Feb 2026 17:28:31 +0100
From: Nicolas Schier <nsc@...nel.org>
To: Thomas Weißschuh <linux@...ssschuh.net>
Cc: Nathan Chancellor <nathan@...nel.org>, Arnd Bergmann <arnd@...db.de>,
	Luis Chamberlain <mcgrof@...nel.org>,
	Petr Pavlu <petr.pavlu@...e.com>,
	Sami Tolvanen <samitolvanen@...gle.com>,
	Daniel Gomez <da.gomez@...sung.com>,
	Paul Moore <paul@...l-moore.com>, James Morris <jmorris@...ei.org>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	Jonathan Corbet <corbet@....net>,
	Madhavan Srinivasan <maddy@...ux.ibm.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	Naveen N Rao <naveen@...nel.org>, Mimi Zohar <zohar@...ux.ibm.com>,
	Roberto Sassu <roberto.sassu@...wei.com>,
	Dmitry Kasatkin <dmitry.kasatkin@...il.com>,
	Eric Snowberg <eric.snowberg@...cle.com>,
	Daniel Gomez <da.gomez@...nel.org>,
	Aaron Tomlin <atomlin@...mlin.com>,
	"Christophe Leroy (CS GROUP)" <chleroy@...nel.org>,
	Nicolas Bouchinet <nicolas.bouchinet@....cyber.gouv.fr>,
	Xiu Jianfeng <xiujianfeng@...wei.com>,
	Fabian Grünbichler <f.gruenbichler@...xmox.com>,
	Arnout Engelen <arnout@...t.net>,
	Mattia Rizzolo <mattia@...reri.org>, kpcyrd <kpcyrd@...hlinux.org>,
	Christian Heusel <christian@...sel.eu>,
	Câju Mihai-Drosi <mcaju95@...il.com>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org, linux-modules@...r.kernel.org,
	linux-security-module@...r.kernel.org, linux-doc@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, linux-integrity@...r.kernel.org
Subject: Re: [PATCH v4 06/17] kbuild: add stamp file for vmlinux BTF data

On Tue, Jan 13, 2026 at 01:28:50PM +0100, Thomas Weißschuh wrote:
> The upcoming module hashes functionality will build the modules in
> between the generation of the BTF data and the final link of vmlinux.
> Having a dependency from the modules on vmlinux would make this
> impossible as it would mean having a cyclic dependency.
> Break this cyclic dependency by introducing a new target.
> 
> Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
> ---
>  scripts/Makefile.modfinal | 4 ++--
>  scripts/link-vmlinux.sh   | 6 ++++++
>  2 files changed, 8 insertions(+), 2 deletions(-)
> 

Reviewed-by: Nicolas Schier <nsc@...nel.org>