Re: [PATCH v3 01/10] Add auxiliary bus support

Dan Williams
2020-11-05T17:13:12Z

On Thu, Nov 5, 2020 at 1:47 AM Leon Romanovsky <leonro@nvidia.com> wrote:
>
> On Thu, Nov 05, 2020 at 01:19:09AM -0800, Dan Williams wrote:
> > Some doc fixups, and minor code feedback. Otherwise looks good to me.
> >
> > On Thu, Oct 22, 2020 at 5:35 PM Dave Ertman <david.m.ertman@intel.com> wrote:
> > >
>
> <...>
>
> > >
> > > +config AUXILIARY_BUS
> > > + bool
> >
> > tristate? Unless you need non-exported symbols, might as well let this
> > be a module.
>
> I asked it to be "bool", because bus as a module is an invitation for
> a disaster. For example if I compile-in mlx5 which is based on this bus,
> and won't add auxiliary_bus as a module to initramfs, the system won't boot.

Something is broken if module dependencies don't arrange for
auxiliary_bus.ko to be added to the initramfs automatically, but yes,
it is another degree of freedom for something to go wrong if you build
the initramfs by hand.

>
> <...>
>
> >
> > Per above SPDX is v2 only, so...
>
> Isn't it default for the Linux kernel?

SPDX eliminated the need to guess a default, and MODULE_LICENSE("GPL")
implies the "or later" language. The only default assumption is that
the license is GPL v2 compatible, those possibilities are myriad, but
v2-only is the first preference.