linux-kernel - Re: [PATCH V4 03/17] asm-generic: compat: Cleanup duplicate definitions

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Date:   Sat, 29 Jan 2022 22:40:02 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Guo Ren <guoren@...nel.org>
Cc:     Palmer Dabbelt <palmer@...belt.com>, Arnd Bergmann <arnd@...db.de>,
        Anup Patel <anup@...infault.org>,
        gregkh <gregkh@...uxfoundation.org>,
        liush <liush@...winnertech.com>, Wei Fu <wefu@...hat.com>,
        Drew Fustini <drew@...gleboard.org>,
        Wang Junqiang <wangjunqiang@...as.ac.cn>,
        Christoph Hellwig <hch@....de>,
        Christoph Hellwig <hch@...radead.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        linux-csky@...r.kernel.org,
        linux-s390 <linux-s390@...r.kernel.org>,
        sparclinux <sparclinux@...r.kernel.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        Parisc List <linux-parisc@...r.kernel.org>,
        "open list:BROADCOM NVRAM DRIVER" <linux-mips@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "the arch/x86 maintainers" <x86@...nel.org>,
        Guo Ren <guoren@...ux.alibaba.com>
Subject: Re: [PATCH V4 03/17] asm-generic: compat: Cleanup duplicate definitions

On Sat, Jan 29, 2022 at 1:17 PM <guoren@...nel.org> wrote:
>
> From: Guo Ren <guoren@...ux.alibaba.com>
>
> There are 7 64bit architectures that support Linux COMPAT mode to
> run 32bit applications. A lot of definitions are duplicate:
>  - COMPAT_USER_HZ
>  - COMPAT_RLIM_INFINITY
>  - COMPAT_OFF_T_MAX
>  - __compat_uid_t, __compat_uid_t
>  - compat_dev_t
>  - compat_ipc_pid_t
>  - struct compat_flock
>  - struct compat_flock64
>  - struct compat_statfs
>  - struct compat_ipc64_perm, compat_semid64_ds,
>           compat_msqid64_ds, compat_shmid64_ds
>
> Cleanup duplicate definitions and merge them into asm-generic.
>
> Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
> Signed-off-by: Guo Ren <guoren@...nel.org>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: Palmer Dabbelt <palmer@...belt.com>

Reviewed-by: Arnd Bergmann <arnd@...db.de>