Date:   Mon, 20 Mar 2023 06:48:06 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     WANG Xuerui <kernel@xen0n.name>
Cc:     Christoph Hellwig <hch@infradead.org>,
        Huacai Chen <chenhuacai@loongson.cn>,
        Arnd Bergmann <arnd@arndb.de>,
        Huacai Chen <chenhuacai@kernel.org>, loongarch@lists.linux.dev,
        linux-arch@vger.kernel.org, Xuefeng Li <lixuefeng@loongson.cn>,
        Guo Ren <guoren@kernel.org>,
        Jiaxun Yang <jiaxun.yang@flygoat.com>,
        linux-kernel@vger.kernel.org, loongson-kernel@lists.loongnix.cn
Subject: Re: [PATCH V2] LoongArch: Provide kernel fpu functions
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References: <20230306031258.99230-1-chenhuacai@loongson.cn>
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On Sat, Mar 11, 2023 at 04:10:44PM +0800, WANG Xuerui wrote:
> again, and making the loongarch FPU helpers GPL-only works for me. However
> there's probably another question that Ruoyao pointed out: do we want to
> mark the neon/altivec/s390x helpers GPL-only right away? IMO this particular
> feature is not inherently arch-specific (the same would have to happen for
> every arch with optionally enabled extra state and instructions, not limited
> to FPU actually) so availability of such feature should preferably be made
> symmetric over arches.

In general we should, and all new code most.  For existing code please
contact the relevant maintainers first.