From nobody Wed Oct 8 18:13:32 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2E5BD261593; Wed, 25 Jun 2025 12:58:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750856320; cv=none; b=uhBjoNFOU1o60xnzgK5j7bhZ31hV6sFac5utc9lV6YBvaL4S4R3y1R6K7syhThbNrs0NAQR2nd3gmYPrrChvJqECnM3nrkt2bZZH8WpZIR2olRBXiPPd3rol3awazSR3rU1PfQOrVKK1xT22yghOuLGZrCgB5HQg7Tjmp29LWTs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750856320; c=relaxed/simple; bh=/6MNs104AgtGDaHLg8LouTRM0HNdmAkvMqIT1gJdYpg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Yd+OMzo1ZNd59o1t2Isurif8YWFe6jsl8/V0EXEB2e/qpM2DqPzaowuWwGI7INzTKIah/kpTMSVDu6kU+8kzVcGifUh+30CxrFIZSzjv1OlED5xBL7zztUwT3MJtxvfpgJ59ZC3W7Zg/uIv1txEpqFfBOIBGOqlAEkDS90X8ee8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Hn5MkkLQ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Hn5MkkLQ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4B8AC4CEEE; Wed, 25 Jun 2025 12:58:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750856318; bh=/6MNs104AgtGDaHLg8LouTRM0HNdmAkvMqIT1gJdYpg=; h=From:To:Cc:Subject:Date:From; b=Hn5MkkLQ7YdwotYFW50AFPaDkbXC/h4AXX84vqEktN/Uku61SANGNFj4Wi2qF+SSV igW8Un7qsng0jWK2l/GTvATboMbUKlAMELY16vTuf87FkDgcR4KUjHup57sqwo6WjE ZjDio91HmH4pnPXXhyUiEOQ0M3QcxOiLeaOjg2mbnHXfFfXRI2CRdQGYCcBDSMMm7B GtEdWCf6veHSAygxmUzRc4bYRXP2b01+NTlfUiFCrpxdvOSJ7PelbZXV8xOGH8p6vy QVYZ6PFCrHYzeD8uxLgjBrTZoPiszB0So6zdSRpdg/lBs57ZzF2yeqRcgzMgTSRQOb iGo/RsyQS0IIA== From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: Ard Biesheuvel , Ben Hutchings , Masahiro Yamada , Jonathan Corbet , Nathan Chancellor , Nicolas Schier , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] Documentation: kbuild: note CONFIG_DEBUG_EFI in reproducible builds Date: Wed, 25 Jun 2025 21:57:40 +0900 Message-ID: <20250625125809.2504963-1-masahiroy@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" CONFIG_EFI_DEBUG embeds absolute file paths into object files, which makes the resulting vmlinux specific to the build environment. Add a note about this in reproducible-builds.rst Signed-off-by: Masahiro Yamada --- Documentation/kbuild/reproducible-builds.rst | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/kbuild/reproducible-builds.rst b/Documentation/k= build/reproducible-builds.rst index f2dcc39044e6..7a16dbc275ca 100644 --- a/Documentation/kbuild/reproducible-builds.rst +++ b/Documentation/kbuild/reproducible-builds.rst @@ -61,6 +61,9 @@ supported. The Reproducible Builds web site has more information about these `prefix-map options`_. =20 +Some CONFIG options such as `CONFIG_DEBUG_EFI` embeds absolute paths in +object files. Such options should be disabled. + Generated files in source packages ---------------------------------- =20 --=20 2.43.0