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GET /api/patches/2224002/?format=api
{ "id": 2224002, "url": "http://patchwork.ozlabs.org/api/patches/2224002/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260416134838.186098-1-ye.li@nxp.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": "<20260416134838.186098-1-ye.li@nxp.com>", "list_archive_url": null, "date": "2026-04-16T13:48:38", "name": "arm: layerscape: Check zero size memory bank before lmb_add", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "d4a1c0dd5c4235d5b6650bc0d74006514fe7fb05", "submitter": { "id": 68036, "url": "http://patchwork.ozlabs.org/api/people/68036/?format=api", "name": "Ye Li", "email": "ye.li@nxp.com" }, "delegate": { "id": 55230, "url": "http://patchwork.ozlabs.org/api/users/55230/?format=api", "username": "freenix", "first_name": "Peng", "last_name": "Fan", "email": "van.freenix@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260416134838.186098-1-ye.li@nxp.com/mbox/", "series": [ { "id": 500166, "url": "http://patchwork.ozlabs.org/api/series/500166/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=500166", "date": "2026-04-16T13:48:38", "name": "arm: layerscape: Check zero size memory bank before lmb_add", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/500166/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2224002/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2224002/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=nxp.com header.i=@nxp.com header.a=rsa-sha256\n header.s=selector1 header.b=fG15Jxs8;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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mx.microsoft.com 1; spf=pass\n smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass\n header.d=nxp.com; arc=none", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=iMxkjjHlXvrSPFKMvRKzYgEh+cZD/b8VdhX76JD3gjQ=;\n b=fG15Jxs8IF+ZPiTELsYEgHT5HZ3W202MNwIMivQ4AiYepGTlQLmmmY7qumonns2VrClWIHKWM0kBkUnGu6djhg9V+K4jwQE7fS2qeA/6FYMjTDcpR8HpKdCF489wQb1Czb2SmhQGm5DU8KVhZp4RJ42i2/WqMDQYkqGN4xxP2EUhvEZZISjVchkVLPvoQnkKNjAFTSS9nRf8VgIsysWw+V/8N1m7OfT68F73rgJg6Fh0LdWOQ5i/WttKAWJIGHsWTCjnyx4IRK1cbHDLSP8j4LRumUfdjbxAc5QvFhEPxTibMW8uFvevQJHWnIHHVSumERNGCLBZVoNyF5BAIrsyUg==", "From": "Ye Li <ye.li@nxp.com>", "To": "peng.fan@nxp.com", "Cc": "u-boot@lists.denx.de,\n\tioana.ciornei@nxp.com,\n\tye.li@oss.nxp.com", "Subject": "[PATCH] arm: layerscape: Check zero size memory bank before lmb_add", "Date": "Thu, 16 Apr 2026 21:48:38 +0800", "Message-Id": "<20260416134838.186098-1-ye.li@nxp.com>", "X-Mailer": "git-send-email 2.37.1", "Content-Transfer-Encoding": "8bit", "Content-Type": "text/plain", "X-ClientProxiedBy": "SG2PR01CA0197.apcprd01.prod.exchangelabs.com\n (2603:1096:4:189::8) To AS4PR04MB9436.eurprd04.prod.outlook.com\n (2603:10a6:20b:4ec::5)", "MIME-Version": "1.0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "AS4PR04MB9436:EE_|PAXPR04MB8861:EE_", "X-MS-Office365-Filtering-Correlation-Id": "d478bb11-b807-463b-a56e-08de9bbe978d", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;\n ARA:13230040|42112799006|366016|376014|19092799006|52116014|1800799024|38350700014|18002099003|56012099003;", "X-Microsoft-Antispam-Message-Info": "\n 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", "X-Forefront-Antispam-Report": "CIP:255.255.255.255; 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This will cause lmb\ntreating it as overlap with available memory by lmb_addrs_overlap\nand merge with available memory. Finally causing available memory\nstart address changed to 0.\n\nFor example, on LX2160, before zero memory bank added to lmb, there\nare two available memory regions:\n - region 0, start 0x80000000, size 0x7be00000\n - region 1, start 0x2080000000, size 0x700000000\nAfter zero size memory bank added, merge to one region:\n - region 0, start 0, size 0x2780000000\nThis wrong new region causes efi_memory_init issue when allocating bounce\nbuffer because of conflict address (with uboot reserved) is allocated.\n\nSigned-off-by: Ye Li <ye.li@nxp.com>\n---\n arch/arm/cpu/armv8/fsl-layerscape/cpu.c | 3 ++-\n 1 file changed, 2 insertions(+), 1 deletion(-)", "diff": "diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c\nindex cfbaa475701..7f0cb28f52d 100644\n--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c\n+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c\n@@ -1549,7 +1549,8 @@ void lmb_arch_add_memory(void)\n \t\t gd->arch.resv_ram < ram_start + ram_size)\n \t\t\tram_size = gd->arch.resv_ram - ram_start;\n #endif\n-\t\tlmb_add(ram_start, ram_size);\n+\t\tif (ram_size > 0)\n+\t\t\tlmb_add(ram_start, ram_size);\n \t}\n }\n #endif\n", "prefixes": [] }