On Thu, Nov 15, 2018 at 11:50:56AM +0900, Masahiro Yamada wrote: > > > In current Kconfig, a 'string' type symbol is written to the .config when > > [1] it has a visible prompt > https://github.com/masahir0y/linux/blob/v4.19/scripts/kconfig/symbol.c#L364 > > or > > [2] it has a default property > https://github.com/masahir0y/linux/blob/v4.19/scripts/kconfig/symbol.c#L421 > Ok. > > I am open to changing the behavior > as long as it keeps grammatical consistency, though. > > > As far as I understood this particular case, > CONFIG_CMDLINE will go away after the GENERIC_CMDLINE migration is done. > > (At least, upstream x86 and powerpc defconfig files seem complete). > > > > Perhaps, some prompt for migration could be useful? > > config CMDLINE > string "(LEGACY) Please make this empty and use CMDLINE_PREPEND instead" I think it would be confusing to leave it. The reason I wanted to have it in there silently is so I can print a warning, or BUILD_BUG_ON (which is what I currently do). Just so that people 1) don't lose those options, and 2) So that I can remind or catch people when they don't notice there was a change. Russell (ARM32 maintainer) complained in this regard. I'll look into the Kconfig code and see if I can make something acceptable. Daniel
