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Smith" , Stefano Stabellini Subject: [PATCH v2 04/15] x86: Preinitialise all modules to be of kind BOOTMOD_UNKNOWN Date: Thu, 5 Jun 2025 21:47:56 +0200 Message-ID: <20250605194810.2782031-5-agarciav@amd.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250605194810.2782031-1-agarciav@amd.com> References: <20250605194810.2782031-1-agarciav@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF000055DF:EE_|SJ2PR12MB7943:EE_ X-MS-Office365-Filtering-Correlation-Id: 52aba572-4434-4afe-583a-08dda469fef1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|36860700013|82310400026|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?yp5qpJdcIurZPS6HYNVgpEw2lXTcfp7HauI44JIG/rdSBKBwxRgYBeyHCbXy?= =?us-ascii?Q?C3+FudbaGUw+z23H8iLjWtZKnorLkiHG8Ub0kkyr0acIjtsGZ9fHQn/L565t?= =?us-ascii?Q?jQxt00Xyt+tOlO7QNV0FgRJ036YsM8TdDLygsz4x2vJeabq9B/xN3fdlB6tb?= =?us-ascii?Q?UK7tLXtMH6xPlHE1NqLiKyRRcCGg4JwNyNoQRkmVqji2q3RK9c9e/t+Sxf9W?= =?us-ascii?Q?4QVEqpm6PXGJkgg0FbKy/MozAaRa08ct3kis+X8dlN6GZPLBQQhSEENUlmmz?= =?us-ascii?Q?syWVj5jMQd6wOxEMGebMthOIcubT2QCY1osBStIxBhjatNt/uq4fxydctP9V?= =?us-ascii?Q?hrhwzv0VioyjWGtlW5xy+N1sBHYLYr6lg7JOt7050YEBlXyM+WS7dvz6R525?= =?us-ascii?Q?oBJMwkIaisZMNEtnD/zuF3N3P+Pmsz3dvztv+UA1lPMmNzbIs34uAK1Ekof5?= =?us-ascii?Q?XO0fy1rGudLT8ICSnmHeKwXhIS7fyeUUSa0M0zaRZvZWQvHEzvCrYp3pDikX?= =?us-ascii?Q?LfCcmvPl8yJmTKfMuX59iDar/0pDAaNpJhq64fxMNyrZ4qe8IcRY9+Ul+bZz?= =?us-ascii?Q?oF1YwfTJlevL6SJpUz/+1sB7wqof9/tAxye3JsHCW23KQK3F1oOY6vvMZLPS?= =?us-ascii?Q?umksFa7B2aCHIPlA5i9LfyIQtS8wHsZTZpL5WNULa1BoyrjUfWJ/fyDuoEVM?= =?us-ascii?Q?GmnK4OmUKmR7uiU/S0FSpK5Wd/o+ZPFReBhK6xxAkZxU72DAxnZse0nZgTOD?= =?us-ascii?Q?qciIxEjdUsqj50MPOD3/M8/qLXCg4fOr122Rj+h+k5fKZAPyHGRSm3aB/8gl?= =?us-ascii?Q?ZI31R+X324adH8o4zt7oKCZF53GAQvSXnlyvN3H3iTqF1GVfOliNFLXENRwb?= =?us-ascii?Q?emkrncY8i8d5yCCvT0sGjZb/IdQon5WfpT+2FpNJTQrpbK6TysXzC+6Ec7WH?= =?us-ascii?Q?EvyYFH+9ZrmR58ULDfUw+zXJP68rA+C7DVvxu02i5/XaLUH1RpgcEQDKf5+C?= =?us-ascii?Q?PkPoj+vEbfg2caO0qZxYHiM8LEj9rYDE+9sBVCPibwjpA53BZGHw0LkuDZGH?= =?us-ascii?Q?f8NaBQ0fys/Xiwz0b/ixMQcLI1kKvUUFSS4ne5/TgnrOjrjiZ35KaZjKQryi?= =?us-ascii?Q?pwW27TXm9karSULsHuvHVizzpLT/Og0r6QTEsTwB0P/eRswu1jK89crDkHFd?= =?us-ascii?Q?vGGdPfBuW3nymZN2a3tLNJpxlKs5+S/Ui7SKXuH51D0Yw04HHsSAtrZ8dTRf?= =?us-ascii?Q?En2evMgaiXcNXe3PQY/KSXf+m9Pw/vyZolR7oiNopjfIj/ncqQqiIeloStvS?= =?us-ascii?Q?mTewl72zA2NkpRTemmBDfBYBfe3BauODz1/wINfv/ZEpXBHT2AAf/dWitPQ9?= =?us-ascii?Q?mOKReJhANHlYQqtg4J1ofGu6/Tk+bPC3L6QhRtI/S9zoxYT8ZeV9RB3jDTmA?= =?us-ascii?Q?4gxgAzh3MqujcIjKkOV0DWs/Vl+LW9Hpo6+PTWRLMy6mYrjMBtWBdNkNJDa/?= =?us-ascii?Q?nMiF4R1xyLzTz20ozw6RHE+cGjGd2aJd5UJZ?= X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(36860700013)(82310400026)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Jun 2025 19:48:51.1799 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 52aba572-4434-4afe-583a-08dda469fef1 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN2PEPF000055DF.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB7943 X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1749152964657116600 Content-Type: text/plain; charset="utf-8" A later patch removes boot_module and replaces its uses with bootmodule. The equivalent field for "type" doesn't have BOOTMOD_UNKNOWN as a zero value, so it must be explicitly set in the static xen_boot_info. Not a functional change. Signed-off-by: Alejandro Vallejo Reviewed-by: Stefano Stabellini --- v2: * Add comment stating why mods initialiser isn't off by one. --- xen/arch/x86/setup.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c index 1f5cb67bd0..7d3b30e1db 100644 --- a/xen/arch/x86/setup.c +++ b/xen/arch/x86/setup.c @@ -298,6 +298,12 @@ struct boot_info __initdata xen_boot_info =3D { .loader =3D "unknown", .cmdline =3D "", .domains =3D { [0 ... MAX_NR_BOOTDOMS - 1] =3D { .domid =3D DOMID_INVA= LID } }, + /* + * There's a MAX_NR_BOOTMODS-th entry in the array. It's not off by on= e. + * + * The extra entry exists to be able to add the Xen image as a module. + */ + .mods =3D { [0 ... MAX_NR_BOOTMODS] =3D { .type =3D BOOTMOD_UNKNOWN } = }, }; =20 static struct boot_info *__init multiboot_fill_boot_info( --=20 2.43.0