Message-ID: <037d7f13866e03dd2cc0dd4307479fa9a7498b19.camel@xry111.site>
Subject: Re: [PATCH V4] LoongArch: Provide kernel fpu functions
From:   Xi Ruoyao <xry111@xry111.site>
To:     WANG Xuerui <kernel@xen0n.name>,
        Huacai Chen <chenhuacai@loongson.cn>,
        Arnd Bergmann <arnd@arndb.de>,
        Huacai Chen <chenhuacai@kernel.org>
Cc:     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
Date:   Fri, 10 Mar 2023 16:33:13 +0800
In-Reply-To: <7e743095-3dbc-3f28-a347-d2a1659e650d@xen0n.name>
References: <20230310025136.964745-1-chenhuacai@loongson.cn>
         <7e743095-3dbc-3f28-a347-d2a1659e650d@xen0n.name>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
User-Agent: Evolution 3.46.4 
MIME-Version: 1.0
Precedence: bulk

On Fri, 2023-03-10 at 14:33 +0800, WANG Xuerui wrote:
> We should probably provide more archaeology or legal evidence as to why=
=20
> the in-kernel FPU ops must be GPL-only. After all the status quo is that=
=20
> among all arches that provide such ops, only the x86 ones are exported
> GPL, so if loongarch should go GPL for this interface then probably=20
> everyone else should too. It's not only affecting loongarch IMO.

If it's forced by GPL we should change the other arch's similar function
to EXPORT_GPL immediately.

--=20
Xi Ruoyao <xry111@xry111.site>
School of Aerospace Science and Technology, Xidian University