linux-kernel - Re: [patches] [PATCH 17/17] RISC-V: Build Infastructure

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Date:   Wed, 26 Jul 2017 08:52:10 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Palmer Dabbelt <palmer@...belt.com>
Cc:     "nathan=20Neusch=C3=A4fer?=" <j.neuschaefer@....net>,
        patches@...ups.riscv.org, Olof Johansson <olof@...om.net>,
        Andrew Morton <akpm@...ux-foundation.org>, albert@...ive.com,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <mmarek@...e.com>,
        Will Deacon <will.deacon@....com>,
        Peter Zijlstra <peterz@...radead.org>,
        Boqun Feng <boqun.feng@...il.com>,
        Ingo Molnar <mingo@...hat.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        gregkh <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        David Miller <davem@...emloft.net>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Frédéric Weisbecker <fweisbec@...il.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        "Luis R. Rodriguez" <mcgrof@...nel.org>,
        Doug Ledford <dledford@...hat.com>,
        Bart Van Assche <bart.vanassche@...disk.com>,
        sstabellini@...nel.org, Daniel Vetter <daniel.vetter@...ll.ch>,
        Michael Ellerman <mpe@...erman.id.au>,
        Mark Salter <msalter@...hat.com>,
        Nicolas Dichtel <nicolas.dichtel@...nd.com>,
        James Hogan <james.hogan@...tec.com>,
        Paul Gortmaker <paul.gortmaker@...driver.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [patches] [PATCH 17/17] RISC-V: Build Infastructure

On Wed, Jul 26, 2017 at 7:20 AM, Palmer Dabbelt <palmer@...belt.com> wrote:
> On Tue, 25 Jul 2017 19:57:17 PDT (-0700), j.neuschaefer@....net wrote:
>> On Tue, Jul 11, 2017 at 06:31:30PM -0700, Palmer Dabbelt wrote:
>>> This patch contains all the build infastructure that actually enables
>>> the RISC-V port.  This includes Makefiles, linker scripts, and Kconfig
>>> files.  It also contains the only top-level change, which adds RISC-V to
>>> the list of architectures that need a sed run to produce the ARCH
>>> variable when building locally.
>>>
>>> Signed-off-by: Palmer Dabbelt <palmer@...belt.com>
>>> ---
>> [...]
>>> +config ISA_C
>>> +    bool "Emit compressed instructions when building Linux"
>>
>> As a user, I'd prefer to have slightly more globally-recognisable names
>> than ISA_<single letter> for RISC-V instruction set architecture
>> extensions. A quick "git grep -A2 'config ISA'" shows the following
>> Kconfig symbols:
>
> Good timing: I was about to submit a v6 patch set.  I'm cool with
> CONFIG_ISA_RVC and friends, do you mind submitting a patch?

I'd generally prefix those highly architecture specific ones with the
architecture name, e.g. CONFIG_RISCV_ISA_C

      Arnd