linux-kernel - Re: [PATCH v3 6/6] mips: generate uapi header and system call table files

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Message-ID: <CAK8P3a0rTwm_pCtQXyn_fyJttihKJ6Gpq97mw-r5ySUNBksCig@mail.gmail.com>
Date:   Thu, 29 Nov 2018 15:22:16 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Firoz Khan <firoz.khan@...aro.org>
Cc:     "open list:RALINK MIPS ARCHITECTURE" <linux-mips@...ux-mips.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>,
        gregkh <gregkh@...uxfoundation.org>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        y2038 Mailman List <y2038@...ts.linaro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Deepa Dinamani <deepa.kernel@...il.com>,
        Marcin Juszkiewicz <marcin.juszkiewicz@...aro.org>
Subject: Re: [PATCH v3 6/6] mips: generate uapi header and system call table files

On Thu, Nov 29, 2018 at 9:45 AM Firoz Khan <firoz.khan@...aro.org> wrote:

> diff --git a/arch/mips/include/uapi/asm/Kbuild b/arch/mips/include/uapi/asm/Kbuild
> index 7a4becd..ed4bd03 100644
> --- a/arch/mips/include/uapi/asm/Kbuild
> +++ b/arch/mips/include/uapi/asm/Kbuild
> @@ -1,5 +1,11 @@
>  # UAPI Header export list
>  include include/uapi/asm-generic/Kbuild.asm
>
> +generated-y += unistd_n32.h
> +generated-y += unistd_n64.h
> +generated-y += unistd_o32.h
> +generated-y += unistd_nr_n32.h
> +generated-y += unistd_nr_n64.h
> +generated-y += unistd_nr_o32.h
>  generic-y += bpf_perf_event.h
>  generic-y += ipcbuf.h

I'd argue that the unistd_nr_*.h headers should not be in the uapi directory
but instead be included only from the in-kernel header.


> diff --git a/arch/mips/kernel/scall64-n64.S b/arch/mips/kernel/scall64-n64.S
> new file mode 100644
> index 0000000..402a085
> --- /dev/null
> +++ b/arch/mips/kernel/scall64-n64.S
> @@ -0,0 +1,117 @@
> +/*
> + * This file is subject to the terms and conditions of the GNU General Public
> + * License.  See the file "COPYING" in the main directory of this archive
> + * for more details.
> + *
> + * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02 by Ralf Baechle
> + * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
> + * Copyright (C) 2001 MIPS Technologies, Inc.
> + */
> +#include <linux/errno.h>
> +#include <asm/asm.h>
> +#include <asm/asmmacro.h>
> +#include <asm/irqflags.h>

It looks like you change and rename this file at the same time.
Generally speaking, I would not do that in one patch. Either
leave the slightly inconsistent name unchanged, or rename
it in a separate patch.

         Arnd