Re: [PATCH v2 3/7] powerpc: convert config files to generic cmdline

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On Tue, Mar 30, 2021 at 03:13:04PM -0500, Rob Herring wrote:
> On Tue, Mar 30, 2021 at 12:33 PM Daniel Walker <danielwa@xxxxxxxxx> wrote:
> >
> > On Thu, Mar 25, 2021 at 05:29:44PM -0600, Rob Herring wrote:
> > > On Thu, Mar 25, 2021 at 2:00 PM Daniel Walker <danielwa@xxxxxxxxx> wrote:
> > > >
> > > > On Thu, Mar 25, 2021 at 01:03:55PM +0100, Christophe Leroy wrote:
> > > > >
> > > > > Ok, so you agree we don't need to provide two CMDLINE, one to be appended and one to be prepended.
> > > > >
> > > > > Let's only provide once CMDLINE as of today, and ask the user to select
> > > > > whether he wants it appended or prepended or replacee. Then no need to
> > > > > change all existing config to rename CONFIG_CMDLINE into either of the new
> > > > > ones.
> > > > >
> > > > > That's the main difference between my series and Daniel's series. So I'll
> > > > > finish taking Will's comment into account and we'll send out a v3 soon.
> > > >
> > > > It doesn't solve the needs of Cisco, I've stated many times your changes have
> > > > little value. Please stop submitting them.
> > >
> > > Can you please outline what those needs are which aren't met?
> >
> > append AND prepend at the same time on all architectures. Christophe doesn't
> > understand the need, and hence tries to minimize the feature set which is
> > incompatible with Cisco needs and all the other out of tree users.
> 
> Okay, but that's never been a feature in upstream. For upstream, we
> refactor first and add features 2nd. In this case, the difference is
> largely the kconfig and it would be better to not change the options
> twice, but that's not a blocker for taking the refactoring. You won't
> find a maintainer that's going to take adding a feature over cleanups
> and unification.

It kind of is a feature in upstream, it's a matter of opinion. Some platform
used append and some use prepend, and it's likely because the maintainers needed
one or the other for development.

I'm not sure why you think I can't add the features in one go. It would be
horrid to take Christophe's changes, then have to do basically all the same work
a second time which is what Christophe's changes would force me to do.

Say for example I implement this change only on one architecture. In that case
the maintainer would be accepting a feature enhancement , but there would be no
stopping it. I shouldn't have to go two strokes on one architecture, but each
change I'm making is essentially a single architecture. They can go in all
together or one at a time.

Daniel



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