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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jun 2025 18:13:19.4472 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 63a3b9cf-6640-4060-f220-08dda525d101 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[4.158.2.129];Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: AM3PEPF00009B9F.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR08MB6232 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250606_111333_574014_A9ABDFEF X-CRM114-Status: GOOD ( 11.07 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Jarkko, > > To integrate tpm_event_log with IMA subsystem, > > tpm_crb and tpm_crb_ffa driver should be built as built-in > > (CONFIG_TCG_CRB=y && CONFIG_TCG_CRB_FFA=y). > > > > However, this could make failure for ima_init() gets tpm chip when > > each initcall function deployed like: > > > > 0000000000000888 l .initcall6.init 0000000000000000 crb_acpi_driver_init > > 000000000000088c l .initcall6.init 0000000000000000 tpm_crb_ffa_driver_init > > The only failure I see is the patch 1/2 which changes init call level, > and leaves kernel Git to a broken state. > > It breaks the famous "zero regressions policy". > > BR, Jarkko Sorry, would you let me know what is broken more detail? IMHO, by changing the init call level for ffa_init() it's called early than before device_initcall() and it seems not to break anything. What breaks do you mean? Thanks. -- Sincerely, Yeoreum Yun