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GET /api/patches/2219299/?format=api
{ "id": 2219299, "url": "http://patchwork.ozlabs.org/api/patches/2219299/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260402192431.2421155-2-yan.wang@softathome.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260402192431.2421155-2-yan.wang@softathome.com>", "list_archive_url": null, "date": "2026-04-02T19:24:30", "name": "[v2,2/3] binman: Generate preload header and sign data only once", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": false, "hash": "0fddace1f7bc395e5ff1c538706e31fe793c0135", "submitter": { "id": 90652, "url": "http://patchwork.ozlabs.org/api/people/90652/?format=api", "name": "yan wang", "email": "yan.wang@softathome.com" }, "delegate": { "id": 3651, "url": "http://patchwork.ozlabs.org/api/users/3651/?format=api", "username": "trini", "first_name": "Tom", "last_name": "Rini", "email": "trini@ti.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260402192431.2421155-2-yan.wang@softathome.com/mbox/", "series": [ { "id": 498545, "url": "http://patchwork.ozlabs.org/api/series/498545/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=498545", "date": "2026-04-02T19:24:29", "name": "[v2,1/3] tools: binman: Test signing an encrypted FIT with a preload header", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/498545/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2219299/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2219299/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=softathome1.onmicrosoft.com header.i=@softathome1.onmicrosoft.com\n header.a=rsa-sha256 header.s=selector1-softathome1-onmicrosoft-com\n header.b=OjVeLOK/;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=85.214.62.61; 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client-ip=149.6.166.170;\n helo=proxy.softathome.com; pr=C", "From": "yan wang <yan.wang@softathome.com>", "To": "trini+nodisclaimer@konsulko.com, sjg+nodisclaimer@chromium.org,\n alpernebiyasak+nodisclaimer@gmail.com", "Cc": "philippe.reynes+nodisclaimer@softathome.com,\n paul.henrys_ext+nodisclaimer@softathome.com,\n u-boot+nodisclaimer@lists.denx.de,\n Paul HENRYS <paul.henrys_ext@softathome.com>", "Subject": "[PATCH v2 2/3] binman: Generate preload header and sign data only\n once", "Date": "Thu, 2 Apr 2026 21:24:30 +0200", "Message-Id": "<20260402192431.2421155-2-yan.wang@softathome.com>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20260402192431.2421155-1-yan.wang@softathome.com>", "References": "<20260402192431.2421155-1-yan.wang@softathome.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "PA3PEPF000089BB:EE_|PR0P264MB1722:EE_", "Content-Type": "text/plain", "X-MS-Office365-Filtering-Correlation-Id": "b110775e-bf04-434c-23d8-08de90ed7ed6", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;\n ARA:13230040|36860700016|376014|1800799024|82310400026|56012099003|22082099003|18002099003;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "CIP:149.6.166.170; 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Ip=[149.6.166.170];\n Helo=[proxy.softathome.com]", "X-MS-Exchange-CrossTenant-AuthSource": "PA3PEPF000089BB.FRAP264.PROD.OUTLOOK.COM", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "PR0P264MB1722", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.39", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "From: Paul HENRYS <paul.henrys_ext@softathome.com>\n\nTo optimize preload generation, generate the header and signatures only\nafter all data has been collected. This avoids signing the data multiple\ntimes.\n\nSince header_size is known upfront (from __init__), set the preload\nheader size in `ObtainContents()` to avoid an extra packing pass when\nProcessContentsUpdate() detects the size changed from 0 to header_size.\n\nThis reduces unnecessary repacking and signing operations.\n\nSigned-off-by: Paul HENRYS <paul.henrys_ext@softathome.com>\n---\nChanges for v2:\n- Set contents_size knowing header_size in ObtainContents()\n\n tools/binman/etype/pre_load.py | 12 ++++++------\n 1 file changed, 6 insertions(+), 6 deletions(-)", "diff": "diff --git a/tools/binman/etype/pre_load.py b/tools/binman/etype/pre_load.py\nindex 00f1a896767..34a7bc1b985 100644\n--- a/tools/binman/etype/pre_load.py\n+++ b/tools/binman/etype/pre_load.py\n@@ -152,14 +152,14 @@ class Entry_pre_load(Entry_collection):\n return data + pad\n \n def ObtainContents(self):\n- \"\"\"Obtain a placeholder for the header contents\"\"\"\n- # wait that the image is available\n- self.image = self.GetContents(False)\n- if self.image is None:\n- return False\n- self.SetContents(self._CreateHeader())\n+ \"\"\"Only set the known size of the preload header. The data will be\n+ generated later on in ProcessContents() when the data from every entries\n+ can be retrieved.\n+ \"\"\"\n+ self.contents_size = self.header_size\n return True\n \n def ProcessContents(self):\n+ self.image = self.GetContents(True)\n data = self._CreateHeader()\n return self.ProcessContentsUpdate(data)\n", "prefixes": [ "v2", "2/3" ] }