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

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Message-ID: <CAJF2gTSQafQxzAyaD90n-O6pPo22RCDXdsrOn=csUJBur0u-Ew@mail.gmail.com>
Date:   Mon, 31 Jan 2022 21:52:58 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Palmer Dabbelt <palmer@...belt.com>, Arnd Bergmann <arnd@...db.de>,
        Anup Patel <anup@...infault.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        liush <liush@...winnertech.com>, Wei Fu <wefu@...hat.com>,
        Drew Fustini <drew@...gleboard.org>,
        Wang Junqiang <wangjunqiang@...as.ac.cn>,
        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 Mon, Jan 31, 2022 at 8:21 PM Christoph Hellwig <hch@...radead.org> wrote:
>
> On Sat, Jan 29, 2022 at 08:17:14PM +0800, 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.
>
> The flock part seems to clash with the general compat_flock
> consolidation.  Otherwise this looks like a good idea.
Okay, In the next version, I would rebase on general compat_flock
consolidation v4.



-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/