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Date:   Thu, 5 Nov 2020 21:22:14 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Dan Williams <dan.j.williams@intel.com>
Cc:     Leon Romanovsky <leonro@nvidia.com>,
        Dave Ertman <david.m.ertman@intel.com>,
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Subject: Re: [PATCH v3 01/10] Add auxiliary bus support
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On Thu, Nov 05, 2020 at 09:12:51AM -0800, Dan Williams wrote:
> > >
> > > 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.

No, MODULE_LICENSE("GPL") does not imply "or later" at all.  Please see
include/linux/module.h, it means "GPL version 2".

thanks,

greg k-h