Re: [PATCH] mm: Make CONFIG_FRAME_VECTOR a visible option

[Christoph Hellwig]

On Tue, Jan 15, 2019 at 09:17:30AM -0800, Olof Johansson wrote:
> I'd argue it's *more* confusing to expect users to know about and
> enable some random V4L driver to get this exported kernel API included
> or not. Happy to add "If in doubt, say 'n' here" help text, like we do
> for many many other kernel config options.

It is just like any other library function - you get it with a user.

> In this particular case, a module (under early development and not yet
> ready to upstream, but will be) worked with a random distro kernel
> that enables the kitchen sink of drivers, but not with a more slimmed
> down kernel config. Having to enable a driver you'll never use, just
> to enable some generic exported helpers, is just backwards.

Just develop the damn driver in a kernel tree and let people pull
the whole branch like everyone else: problem solved.