netdev - Re: [PATCH v6 24/36] nds32: Loadable modules

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Date:   Fri, 19 Jan 2018 22:26:57 +0800
From:   Greentime Hu <green.hu@...il.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Greentime <greentime@...estech.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Networking <netdev@...r.kernel.org>,
        Vincent Chen <deanbo422@...il.com>,
        DTML <devicetree@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        David Howells <dhowells@...hat.com>,
        Will Deacon <will.deacon@....com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        linux-serial@...r.kernel.org,
        Geert Uytterhoeven <geert.uytterhoeven@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mark Rutland <mark.rutland@....com>, Greg KH <greg@...ah.com>,
        Guo Ren <ren_guo@...ky.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        David Miller <davem@...emloft.net>,
        Jonas Bonn <jonas@...thpole.se>,
        Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
        Stafford Horne <shorne@...il.com>,
        Vincent Chen <vincentc@...estech.com>
Subject: Re: [PATCH v6 24/36] nds32: Loadable modules

2018-01-18 18:41 GMT+08:00 Arnd Bergmann <arnd@...db.de>:
> On Mon, Jan 15, 2018 at 6:53 AM, Greentime Hu <green.hu@...il.com> wrote:
>> From: Greentime Hu <greentime@...estech.com>
>>
>> This patch adds support for loadable modules.
>
> One detail:
>
> You still seem to have both the ELF_REL and ELF_RELA based functions
> implemented here, you should drop the unused ELF_REL version:
>
>> diff --git a/arch/nds32/kernel/module.c b/arch/nds32/kernel/module.c
>> new file mode 100644
>> index 0000000..714a6d6
>> --- /dev/null
>> +++ b/arch/nds32/kernel/module.c
>> @@ -0,0 +1,286 @@
>> +// SPDX-License-Identifier: GPL-2.0
>> +// Copyright (C) 2005-2017 Andes Technology Corporation
>> +
>> +#include <linux/module.h>
>> +#include <linux/elf.h>
>> +#include <linux/vmalloc.h>
>> +
>> +#include <asm/pgtable.h>
>
> include <linux/moduleloader.h> to catch this.
>
>> +int
>> +apply_relocate(Elf32_Shdr * sechdrs, const char *strtab,
>> +              unsigned int symindex, unsigned int relsec,
>> +              struct module *module)
>> +{
>> +       return 0;
>> +}
>
> and drop this.
>
> With that change,
>
> Acked-by:  Arnd Bergmann <arnd@...db.de>

Hi, Arnd:

Thank you. I will include moduleloader.h and drop apply_relocate().