On Mon, 2015-03-02 at 09:29 -0700, Jim Davis wrote: > Building with the attached random configuration file, > > drivers/built-in.o: In function `i40e_cfgfs_group_make_item': > i40e_configfs.c:(.text+0x3df4ce): undefined reference to > `config_item_init_type_name' > drivers/built-in.o: In function `i40e_configfs_init': > (.text+0x3df4ee): undefined reference to `config_group_init' > drivers/built-in.o: In function `i40e_configfs_init': > (.text+0x3df50c): undefined reference to `configfs_register_subsystem' > drivers/built-in.o: In function `i40e_configfs_exit': > (.text+0x3df52e): undefined reference to `configfs_unregister_subsystem' > Makefile:939: recipe for target 'vmlinux' failed We found this issue and already have a patch to resolve the problem. The issue is that we cannot have configfs as a module when our driver is compiled into the kernel. The solution is to use the similar Kconfig logic we used for PTP (which had the same issue) for configfs. I should have the patch pushed upstream in the next batch of patches I push upstream.
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