From patchwork Tue Jan 20 17:52:39 2026 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sadineni, Harish" X-Patchwork-Id: 79239 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 41651CA5FCC for ; Tue, 20 Jan 2026 17:54:28 +0000 (UTC) Received: from mx0a-0064b401.pphosted.com (mx0a-0064b401.pphosted.com [205.220.166.238]) by mx.groups.io with SMTP id smtpd.msgproc01-g2.12559.1768931667606378967 for ; Tue, 20 Jan 2026 09:54:27 -0800 Authentication-Results: mx.groups.io; dkim=pass header.i=@windriver.com header.s=PPS06212021 header.b=B/wvTWq4; spf=permerror, err=parse error for token &{10 18 %{ir}.%{v}.%{d}.spf.has.pphosted.com}: invalid domain name (domain: windriver.com, ip: 205.220.166.238, mailfrom: prvs=548098e00b=harish.sadineni@windriver.com) Received: from pps.filterd (m0250810.ppops.net [127.0.0.1]) by mx0a-0064b401.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 60K81xHj4162049 for ; Tue, 20 Jan 2026 09:54:27 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=windriver.com; h=cc:content-transfer-encoding:content-type:date:from :in-reply-to:message-id:mime-version:references:subject:to; s= PPS06212021; bh=fXT/I6Dfxn9DiLPrD+J+U6LQvETCL5/Ok2ih/g05DQ4=; b= B/wvTWq44hmEtO5QzM93XfflJ594l8gD5BxYwn4c+mVd4XmzP89wxT8l2/SES337 +3WAjed1o0ZFPw0l8mTz/NZZ9ZkQOQXEALC+w+dfcrSSEObgS/aL22i9qo4aGM10 orPwQX7mtjiEyKn22kmNvCw73AZHrDgmVLsdh/ReBqnxgrC5zQS83JGuWtLofKpM moNH/6navqWtIvxGG+RpltEB4qZI88ACzfeHyEnb93ImlgNLmN9kigu/lvc4/BYE hDjauRw+Fbv7yXLlOo38M8n/ceXDxQrRD1xIvdxlYQ6zRoku3Dlg6Z89aYmq3B1W drLk4pDiRfEec22WUXfw+A== Received: from sj2pr03cu001.outbound.protection.outlook.com (mail-westusazon11012051.outbound.protection.outlook.com [52.101.43.51]) by mx0a-0064b401.pphosted.com (PPS) with ESMTPS id 4br6k1k659-1 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Tue, 20 Jan 2026 09:54:26 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=XH+xhAF4NfvstziZlADQHLqXPHA7NNf2eVKb+cpkYYTszRIRFuoehjrUSMcVjvoL0DhzZL+/n3QrnP3tFstvEJXsBFOnQbQPpsy0cE2o/SCYCuQ07EzIiC0mhNyxZ0Fej0GhYEs4DXAQ2IgTlIm9u3S+okZc049KQm2XF7y/6rTPKH4sMIsDsyFke7QzyrOqa1NzuWZWyMQ65PEsNC3Ka8HausVl1KSRrngZsu1QCtVosS2N4tTLja52PZtkY5upXSMiBxS8An6DFevh13GJUOEM3H4Fz1r4VNTQgg8ChnKpQcbce9UtJ2ODube3mjTtomOd+Fr+KDbQbSjC5GNJLg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=fXT/I6Dfxn9DiLPrD+J+U6LQvETCL5/Ok2ih/g05DQ4=; b=wt0bB5+XqgE1NAjEnK2nuM2ai9kiDT6RboBxMWHKh/NVAPN11c7cq/erLEG+n3sjrXHa4RFhcoqcInbUUMM/AvXFFVBYuo7PkGL7FZwBxVTCzwec8P9+mLJtu8gv+rqnDym/VMMvxZqWyJUTs6VBrWDIZMdSZuje/yrMCY1pR3J2hFSOZxLIGGmZpqNa5L66aixCNUJ2bhoIPwZNkW/ke2lIPu1KZue3J0DmBoSWed++C+KXMKMtr25hAaNOsrBRocKmnMgqg1E7KGNxmsOI7rs1Cir+uBDUBrHib9mDJMaFI1Oh54wk0grpvujGeNa2U6XXfr9+V1USLAOJM4RJSA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=windriver.com; dmarc=pass action=none header.from=windriver.com; dkim=pass header.d=windriver.com; arc=none Received: from PH0PR11MB5658.namprd11.prod.outlook.com (2603:10b6:510:e2::23) by BL1PR11MB6027.namprd11.prod.outlook.com (2603:10b6:208:392::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9520.12; Tue, 20 Jan 2026 17:54:25 +0000 Received: from PH0PR11MB5658.namprd11.prod.outlook.com ([fe80::6852:6964:54d3:49c9]) by PH0PR11MB5658.namprd11.prod.outlook.com ([fe80::6852:6964:54d3:49c9%4]) with mapi id 15.20.9520.011; Tue, 20 Jan 2026 17:54:25 +0000 From: Harish.Sadineni@windriver.com To: openembedded-core@lists.openembedded.org Cc: Randy.MacLeod@windriver.com, alistair.francis@wdc.com, Sundeep.Kokkonda@windriver.com, bruce.ashfield@gmail.com, richard.purdie@linuxfoundation.org, yoann.congal@smile.fr, elmehdi.younes@smile.fr Subject: [PATCH v3 09/16] kernel-devsrc: copying rust-kernel source to $kerneldir/build Date: Tue, 20 Jan 2026 09:52:39 -0800 Message-ID: <20260120175246.2052341-10-Harish.Sadineni@windriver.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20260120175246.2052341-1-Harish.Sadineni@windriver.com> References: <20260120175246.2052341-1-Harish.Sadineni@windriver.com> X-ClientProxiedBy: SJ0PR03CA0289.namprd03.prod.outlook.com (2603:10b6:a03:39e::24) To PH0PR11MB5658.namprd11.prod.outlook.com (2603:10b6:510:e2::23) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR11MB5658:EE_|BL1PR11MB6027:EE_ X-MS-Office365-Filtering-Correlation-Id: 72c6447e-b8e2-4a26-299c-08de584cf2e4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|52116014|1800799024|366016|38350700014; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH0PR11MB5658.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(52116014)(1800799024)(366016)(38350700014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: windriver.com X-MS-Exchange-CrossTenant-Network-Message-Id: 72c6447e-b8e2-4a26-299c-08de584cf2e4 X-MS-Exchange-CrossTenant-AuthSource: PH0PR11MB5658.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jan 2026 17:54:24.9751 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 8ddb2873-a1ad-4a18-ae4e-4644631433be X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: M2sR2noX0eG4NaTrWMTUttwvvSYbtoaz5g0ol6+QZFUo6ZUhQH2xED/qKH6S2CjOR/7kYTWuhFGnLftmyCRMdiHZhi2mIx6Z42DVjCxELAY= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR11MB6027 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-GUID: 2UNazsXSJ6AqNP5rge79t8wRPsmnYFYx X-Proofpoint-ORIG-GUID: 0L_Bk0hl5qVgowueJE1JP1OvnBMIx-Bs X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTIwMDE0OSBTYWx0ZWRfX4mPQaZ6wzl8T TBuGHycVWhbCf3jSMA8LvmLMv5dKETahnsGRPeol+XkfCtQMAk3Mh0yUEyRScJUIKOtxbkgHUSt IAfSwFeWatOUv/gdhwqxYED/Q2DxgX4NNUR/0RUn4l4Z40rtPrav2xHLck/OJez9exC7uJ4UX+w c//Y4lLDs9/nDP97sbtkyd9/KuT1pTKzbLyY/aulE/mkATtrM6GqU0cicVrCmFEEZy7IhKCX3XZ IdKBe2ICrw89ViRQ4pk1+qonGdRg7ZK/mDjKQTZxCHi3jxjb+ILbopt2MtD5Blgn71eHLP1D8ab AdqPOQvu6c1QZzr8bYxNb9JvbeWM0mWh7stZIOHZE/npbnp9GCaxZ0RAZ+d0zRT7fsiosSCu5Tb 1lHs35IgHCl2MgYz+oQV86GkjzdYqBS2TpA9/qhYiUOw4XH58vTUsLMWcLU7mBLptZZ3gotQLsz rsMC0M24Vnul/FCnqlQ== X-Authority-Analysis: v=2.4 cv=ApHjHe9P c=1 sm=1 tr=0 ts=696fc153 cx=c_pps a=scPzG5pGSpQ412Sx4Fqw/g==:117 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=vUbySO9Y5rIA:10 a=VkNPw1HP01LnGYTKEx00:22 a=t7CeM3EgAAAA:8 a=jGeDP5ryJtbC-vnzprAA:9 a=FdTzh2GWekK77mhwV6Dw:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.20,FMLib:17.12.100.49 definitions=2026-01-20_05,2026-01-20_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 clxscore=1015 suspectscore=0 priorityscore=1501 bulkscore=0 phishscore=0 spamscore=0 lowpriorityscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601200149 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, 20 Jan 2026 17:54:28 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/229756 From: Harish Sadineni When CONFIG_RUST is enabled, running 'make prepare' in the target & SDK fails because the Rust kernel infrastructure is incomplete in the staged kernel sources. The Rust build system requires a wider set of interdependent sources during make prepare, including bindgen inputs, C helper sources, generated headers, and other support files. These are all located under the kernel rust/ directory. To ensure make prepare succeeds and to support building Rust-based kernel modules from the target & SDK, copy the full rust/ directory (of size 2.5MB) into $kerneldir/build when the rust-kernel distro feature is enabled. Additionally, when Rust support is enabled, 'make prepare' generates .rmeta files (crate metadata in a custom binary format) and shared objects (.so) that are required for compiling Rust kernel modules. Signed-off-by: Harish Sadineni --- meta/recipes-kernel/linux/kernel-devsrc.bb | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/meta/recipes-kernel/linux/kernel-devsrc.bb b/meta/recipes-kernel/linux/kernel-devsrc.bb index 23a9093ede..07f082132b 100644 --- a/meta/recipes-kernel/linux/kernel-devsrc.bb +++ b/meta/recipes-kernel/linux/kernel-devsrc.bb @@ -139,6 +139,15 @@ do_install() { cd ${S} cp -a scripts $kerneldir/build + + # In sdk, when CONFIG_RUST is enabled, `make prepare` requires the full Rust + # kernel infrastructure. The Rust build system pulls in bindgen inputs, C helpers, + # generated headers, and generate crate metadata (.rmeta), and shared objects + # needed for building Rust kernel modules. Copy the entire rust/ directory (of size 2.5MB) + # to avoid failures with 'make prepare'. + if ${@bb.utils.contains('DISTRO_FEATURES', 'rust-kernel', 'true', 'false', d)}; then + cp -a rust ${kerneldir}/build + fi # for v6.1+ (otherwise we are missing multiple default targets) cp -a --parents Kbuild $kerneldir/build 2>/dev/null || :