linux-kernel - Re: [PATCH V3 06/17] riscv: compat: Add basic compat date type implementation

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Message-ID: <CAJF2gTQVgDkyVdoezsrA4AN=9C7RMOxZBCyLB2JvQkKYsLud3Q@mail.gmail.com>
Date:   Fri, 21 Jan 2022 14:59:30 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Palmer Dabbelt <palmer@...belt.com>,
        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 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>,
        inux-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 V3 06/17] riscv: compat: Add basic compat date type implementation

On Thu, Jan 20, 2022 at 5:35 PM Arnd Bergmann <arnd@...db.de> wrote:
>
> On Thu, Jan 20, 2022 at 8:38 AM <guoren@...nel.org> wrote:
>
> > @@ -0,0 +1,136 @@
> > +/* SPDX-License-Identifier: GPL-2.0-only */
> > +#ifndef __ASM_COMPAT_H
> > +#define __ASM_COMPAT_H
> > +
> > +#define compat_mode_t  compat_mode_t
> > +typedef u16            compat_mode_t;
>
> I think this one is wrong, as rv32 should get the native definition from
>
> include/uapi/asm-generic/posix_types.h:typedef unsigned int     __kernel_mode_t;
>
> I think it works if you just remove those two lines. The rest looks good to me.
Yes, you are right. compat_mode_t should be unsigned int.

>
>        Arnd



-- 
Best Regards
 Guo Ren

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