Re: [Xen-devel] [PATCH 1/3] xen-netback: fix license ident used in MODULE_LICENSE

From: David Vrabel
Date: Fri Jan 22 2016 - 09:35:33 EST

On 22/01/16 14:15, Ian Campbell wrote:
> On Fri, 2016-01-22 at 13:49 +0000, Wei Liu wrote:
>> On Fri, Jan 22, 2016 at 01:14:24PM +0000, David Vrabel wrote:
>>> On 22/01/16 12:34, Wei Liu wrote:
>>>> The comment at the beginning of the file is the canonical source of
>>>> licenses for this module. Currently it contains GPL and MIT license.
>>>> Fix
>>>> the code to reflect the reality.
>>> "The MIT license" isn't really a thing. The closest is the X11
>>> license[1], but this not applicable here either since the text in the
>>> drivers does not refer to X11 trademarks etc.
>> That was referring to the license ident string in Linux. If MIT license
>> isn't a thing, why would Linux have it at all?
> The fact what include/linux/license.h:license_is_gpl_compatible includes
> "Dual MIT/GPL" as an option seems to suggest that it is enough of a thing
> to be validly used as the contents of a MODULE_LICENSE() thing.

"Dual MIT/GPL" is used exactly once in the source in a file that has no
license text and there is no other documentation.