linux-kernel - Re: [PATCH 14/19] csky: Misc headers

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Message-ID: <CAK8P3a15wbEmejpiokATLW=Cwe-XHZEdgU8fNQY-opjbjuU3-w@mail.gmail.com>
Date:   Tue, 20 Mar 2018 00:11:24 +0800
From:   Arnd Bergmann <arnd@...db.de>
To:     Guo Ren <ren_guo@...ky.com>
Cc:     linux-arch <linux-arch@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Jason Cooper <jason@...edaemon.net>,
        c-sky_gcc_upstream@...ky.com, gnu-csky@...tor.com,
        thomas.petazzoni@...tlin.com, wbx@...ibc-ng.org
Subject: Re: [PATCH 14/19] csky: Misc headers

On Mon, Mar 19, 2018 at 3:51 AM, Guo Ren <ren_guo@...ky.com> wrote:
> +++ b/arch/csky/include/uapi/asm/fcntl.h
> @@ -0,0 +1,13 @@
> +// SPDX-License-Identifier: GPL-2.0
> +// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
> +#ifndef __ASM_CSKY_FCNTL_H
> +#define __ASM_CSKY_FCNTL_H
> +
> +#define O_DIRECTORY    040000
> +#define O_NOFOLLOW     0100000
> +#define O_DIRECT       0200000
> +#define O_LARGEFILE    0400000
> +
> +#include <asm-generic/fcntl.h>

This should just use the generic file without overrides: Please don't diverge
from the generic syscall ABI.

> --- /dev/null
> +++ b/arch/csky/include/uapi/asm/stat.h
> @@ -0,0 +1,86 @@
> +// SPDX-License-Identifier: GPL-2.0
> +// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
> +#ifndef _CSKY_STAT_H
> +#define _CSKY_STAT_H
> +
> +struct __old_kernel_stat {
> +       unsigned short st_dev;

Same here: no need for __old_kernel_stat  or the headers on new architectures.

          Arnd