linux-kernel - Re: [PATCH V4 05/17] riscv: Fixup difference with defconfig

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Date:   Mon, 31 Jan 2022 14:19:34 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Guo Ren <guoren@...nel.org>,
        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>,
        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>,
        Anup Patel <anup.patel@....com>
Subject: Re: [PATCH V4 05/17] riscv: Fixup difference with defconfig

On Mon, Jan 31, 2022 at 2:00 PM Christoph Hellwig <hch@...radead.org> wrote:
>
> On Mon, Jan 31, 2022 at 01:48:58PM +0100, Arnd Bergmann wrote:
> > I thought that is what the patch does, there is already the normal 64-bit
> > defconfig, and the new makefile target makes this shared with 32-bit
> > to prevent them from diverging again.
>
> I ment using a common fragment and the deriving both 32-bit and 64-bit
> configs from it. The 64-bit specific fragment will be empty for now,
> but we will sooner or later have an option that can only go into the
> 64-bit defconfig.

Ah right, that should work as well, not sure if it makes much of a difference.

I suggested this method because it is the same thing we do on powerpc.

        Arnd