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SubjectRe: [PATCH] LoongArch: Provide kernel fpu functions
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On 2023/3/6 20:53, David Laight wrote:
> ...
>> Also, if the old world is taken into consideration (which we normally
>> have the luxury of not having to do so), consider Ruoyao's case where a
>> commercial partner of Loongson wants to do this with the vendor kernel,
>> but the symbols are exported GPL -- in this case I doubt the GPL marking
>> will remain, thus creating inconsistency between upstream and vendor
>> kernels, and community distros are going to complain loudly about the
>> need to patch things. It's probably best to avoid all of this upfront.
>
> It is pretty easy to load a non-GPL module into a distro-built
> kernel and call GPL-only functions.
> (And without doing horrid things with kallsyms.)
> As soon as you actually need to do one, adding others isn't a problem.

Hmm, do you mean patching the kernel downstream to remove the license
checks, or something like that? I remember the so-called "GPL condom"
trick was banned some time earlier, in commit 262e6ae7081df ("modules:
inherit TAINT_PROPRIETARY_MODULE"). For now I can't think of a way that
would allow such reference...

--
WANG "xen0n" Xuerui

Linux/LoongArch mailing list: https://lore.kernel.org/loongarch/

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