From patchwork Tue Aug 25 20:49:25 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anis Bougrine X-Patchwork-Id: 2817 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 44F25C61DBD for ; Tue, 25 Aug 2026 20:50:08 +0000 (UTC) Received: from mail-wm1-f51.google.com (mail-wm1-f51.google.com [209.85.128.51]) by mx.groups.io with SMTP id smtpd.msgproc01-g2.32356.1787691000516914880 for ; Tue, 25 Aug 2026 13:50:00 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@gmail.com header.s=20251104 header.b=YtFeLpMa; spf=pass (domain: gmail.com, ip: 209.85.128.51, mailfrom: anis.bougrine10@gmail.com) Received: by mail-wm1-f51.google.com with SMTP id 5b1f17b1804b1-4998e0916faso592705e9.2 for ; Tue, 25 Aug 2026 13:50:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1787690999; x=1788295799; darn=lists.openembedded.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=/X7R6StMj7+V6+wRmGTvPPntpAJUw4h5kDGIE74bZ/8=; b=YtFeLpMapGvfcbv3ZUa6GgZ/CTCH01eezKwb7Riby35Jfmyh5iPoxCzla8+gm+G+Fu w/bhCYfeZKCuDWOhSPzQgOVepx3znS3I1LLzCmslas2rQe6ZgVEtHQMFo8NdO66wcoEb fRCUueryUEyTPjbIJe0oARrIxccYIzjHPZv3aOIFkmLtLLRNzT0Wo/1eVtGNySlClyqO nN57KFrWEVkKNNKBsPnbu9OxZGHGr+bEFgOBP9/TBI5xOtfLna1pw8m71H+jhbIUruU6 N9hvGKIF6GHb0xvQj7aJibAn7CyViSnAUuUN17Jy2L2kK2f1v2XPQZYu7gYu2zZ6zFBx 6PxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787690999; x=1788295799; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=/X7R6StMj7+V6+wRmGTvPPntpAJUw4h5kDGIE74bZ/8=; b=qMhPdH8fTsusSA3UZUVtPbnteS67sDZoLVDlF/rGtzj4S29O59Dd34v0GMRJxRTgUw /lwl33sSY5PCxjtKN4t3bYrnQE+W/THbJJR1g2DBEv0d1QnZUjDgbeAqHazLRsOvPXUq Ix5L+d1D5pcyxs/QRGsbfx1Bmj7psd05KJjYyGNLS1FKpWPrCmfnSLBM3Xi9EyQXEadT x+Gbc75646cAJT6b566N9AfP5kLAnDc+Bv7q96+COHAU9xHWi4qVHyWQt9xQ8BYoZtf7 8QtwpgP2D4LZ4zS4WgDBprz/K17vXXLwpIn4oCtGc0JHJ5YOfA9lIgDYUgyXuXYQlYj+ Diiw== X-Gm-Message-State: AFuF++kzGbItULBXjxNPk+RDAHyqlMXBbOz+ZGkWiBd5HJKtSr99/rYZ 4dxTK3k1CTU0JSmAVhuX5yoQ29JnNtJhoOhUpYTsJlkQbH30omEPOjr+7rpMEd/ZTII= X-Gm-Gg: AR+sD10UuontL6AdVfhRBniTz/RJ9/7jBDOdEyvUKTtv1miSfJ99aSLW8NP8UQR2LQ5 WetWouj9ypfQC6yqPotZnEz/0ulM0RlIWSfQ6plNXzI2KjGbLQ7heBlB4fgfJqx8vvOUnXwJoQB DMyMcnMi9EDbMLXm5ometJWtkRBJWmDGaqCSbK3tSdLE1nmBkKjvamxdHEtzWynxM5mxicVn8kg hhoRXnOhalXL9PjfYg03AC5Zn8uPTMBq/nBsQRKGenAMGNNZZ2sFEf0inbspR7zfICPTAW4HPyK n41meQGjrz4UrB2idWdJKA2ad9mi211adg3zfugV7XuPgmG8ipv7/CCMH98rICoyyVt3d+ZyBA0 5FJGjy2fKP+AxhHJ2HgI1ShAb3P0kd4bVFs7kIOAtRiOEWye9Iv98oG14zyOg3anCUmHw+5FIhJ h0Q87FKMJYgiSFZCEPC0h3KeYuWffRhtfAU590BUkuLJoAZituQy5EmLBvJmw1m22U0QrS3l40m lJMaa7QYmGRy5UAh0xmfuhIYkhA0+Sofv39mAs7ZzWIsp/TBfwkXHc8p/nLKzn7Fh1rxAON1mrU RIGOLnp64Gtz X-Received: by 2002:a05:600c:138a:b0:499:d63b:a6da with SMTP id 5b1f17b1804b1-499dc6e002emr12605685e9.2.1787690998519; Tue, 25 Aug 2026 13:49:58 -0700 (PDT) Received: from device-137.home ([2a01:cb15:80cf:2100:f9af:e499:eded:1124]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-499dca98095sm4507845e9.5.2026.08.25.13.49.57 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 25 Aug 2026 13:49:58 -0700 (PDT) From: Anis Bougrine To: openembedded-core@lists.openembedded.org Cc: mathieu.dubois-briand@bootlin.com, richard.purdie@linuxfoundation.org, peter.kjellerstedt@axis.com, Anis Bougrine Subject: [OE-core][PATCH v5 0/5] Make signed kernel modules stripped Date: Tue, 25 Aug 2026 22:49:25 +0200 Message-ID: <20260825204931.17628-1-anis.bougrine10@gmail.com> X-Mailer: git-send-email 2.50.1 MIME-Version: 1.0 List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Tue, 25 Aug 2026 20:50:08 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/244274 - Re-sign kernel modules after the package stripping process. - Remove the package-stripping skip for signed kernel modules from package.py. - Add KERNEL_MODULE_INSTALL_PREFIX variable Note that tests have been made on core-minimal-image for in-tree modules and on crypto-dev and lttng-modules for out-of-tree modules. changes in V5: - Adapt signing function for out-of-tree modules. changes in v4: - Re-sign kernel modules after package stripping process - Remove package-stripping skip in package.py - Add MOD_INSTALL_PREFIX variable changes in v3: - Fixing rebase issue. changes in v2: - Use the conditional INSTALL_MOD_STRIP environment variable to avoid duplicating the oe_runmake call. - Use `scripts/config` script instead of grepping .config file.# Please edit the description for the branch Anis Bougrine (5): kernel-module-split.bbclass: add get_ext_mod function for module signing kernel: re-sign kernel modules after package stripping process package.py: remove stripping and splitting skip for signed kernel modules kernel: centralize kernel module installation path in one variable documentation.conf: add documentation for KERNEL_MODULE_INSTALL_PREFIX variable meta/classes-recipe/kernel-arch.bbclass | 1 + .../kernel-module-split.bbclass | 46 +++++++++++++++++++ meta/classes-recipe/kernel.bbclass | 12 ++--- meta/classes-recipe/module.bbclass | 2 +- meta/conf/documentation.conf | 1 + meta/lib/oe/package.py | 26 ++--------- 6 files changed, 58 insertions(+), 30 deletions(-)