Re: [PATCH 0/4] Allow schedulers to be selectable through Kconfig

[Ian Campbell <ian.campbell@citrix.com>]

On Thu, 2016-01-07 at 09:18 -0600, Doug Goldstein wrote:
> > > With me asking for that option to not have a visible prompt by
> > > default,
> > > but nevertheless being settable. I do realize that this may not be
> > > possible with the current kconfig tool, but that's imo the only way
> > > to
> > > keep people from playing with expert options just because they see
> > > there's a prompt. No textual warning will help this, I'm afraid.
> > 
> > While I have reasonably strong opinions about this issue, I do not
> > think
> > they warrant forking Kconfig over.
> > 
> > With a suitably strong wording IMHO we have covered ourselves
> > sufficiently.
> > 
> > Ian.
> > 
> 
> So Jonathan and I have been messing with the hidden option behind a
> non-menu option (e.g. environment variable). The only way we can get it
> to work is to require the environment variable to be passed at
> configuration time and at build time and I doubt you'd want the steps to
> be "CONFIG_EXPERT=n make menuconfig && CONFIG_EXPERT=n make" to build
> Xen. We'll play with this some more if that's desired but given Ian's
> response I don't know if it is.

You mean it has to be given as either =n or =y i.e. it has no default? I
don't think we can live with that indeed.

Ian.