On (23/08/17 10:19), Sergey Senozhatsky wrote: > The listunknownconfig option reads old .config and lists > all unrecognized symbols. This is especially useful for > continuous kernel uprevs when some symbols can be either > removed or renamed between kernel releases (which can go > unnoticed otherwise). > > A recent real-life example of such a symbol rename > that quietly disabled some drivers after kernel uprev > is MFD_RK808 rename. > > Example: > Suppose old .config has the following two options which > were removed from the recent kernel: > > $ cat .config > CONFIG_DISABLE_BUGS=y Uh, I see what happened there. The correct output is $ cat .config CONFIG_DISABLE_BUGS=y # CONFIG_ENABLE_WINAPI is not set