Hi, I am seeing an issue of no CRC being generated in the Module.symvers for a driver module even when CONFIG_MODVERSIONS Is enabled, this causes modpost warnings about missing versioning.
The module in questions only exports tracepoint related symbols (as struct tracepoint is part of the module CRC), I have seen this with other modules also e.g. iwlwifi with CONFIG_MODVERSIONS. Though I am trying on 5.12.-rc2, also, seeing this issue with older kernels with CONFIG_MODVERSIONS enabled e.g. 4.15.0, Below are a couple of snippets to demonstrate the issue. modpost warnings =============== WARNING: modpost: EXPORT symbol "__tracepoint_iwlwifi_dev_ucode_event" [drivers/net/wireless/intel/iwlwifi//iwlwifi.ko] version generation failed, symbol will not be versioned. WARNING: modpost: EXPORT symbol "iwl_remove_notification" [drivers/net/wireless/intel/iwlwifi//iwlwifi.ko] version generation failed, symbol will not be versioned. Module.symvers (after modpost) ============== 0x00000000 iwl_remove_notification drivers/net/wireless/intel/iwlwifi//iwlwifi EXPORT_SYMBOL_GPL 0x00000000 __tracepoint_iwlwifi_dev_ucode_event drivers/net/wireless/intel/iwlwifi//iwlwifi EXPORT_SYMBOL Any ideas?
