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Date: Tue, 25 Jul 2017 22:20:50 -0700 (PDT)
X-Google-Original-Date: Tue, 25 Jul 2017 22:20:10 PDT (-0700)
Subject: Re: [patches] [PATCH 17/17] RISC-V: Build Infastructure
In-Reply-To: <20170726025717.lob7jlrb6ipa6rel@latitude>
CC: patches@groups.riscv.org, Olof Johansson <olof@lixom.net>,
        Arnd Bergmann <arnd@arndb.de>, akpm@linux-foundation.org,
        albert@sifive.com, yamada.masahiro@socionext.com, mmarek@suse.com,
        will.deacon@arm.com, peterz@infradead.org, boqun.feng@gmail.com,
        mingo@redhat.com, daniel.lezcano@linaro.org, tglx@linutronix.de,
        jason@lakedaemon.net, marc.zyngier@arm.com, gregkh@linuxfoundation.org,
        jslaby@suse.com, davem@davemloft.net, mchehab@kernel.org,
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        mcgrof@kernel.org, dledford@redhat.com, bart.vanassche@sandisk.com,
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From: Palmer Dabbelt <palmer@dabbelt.com>
To: j.neuschaefer@gmx.net
Message-ID: <mhng-a6f1d7ca-d517-473e-9caf-133cdda31339@palmer-si-x1c4>
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On Tue, 25 Jul 2017 19:57:17 PDT (-0700), j.neuschaefer@gmx.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@dabbelt.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:
>
> * ISA, ISA_BUS_API, ISA_DMA_API, ISAPNP:
>   Settings related to the historic ISA bus.
> * ISA_ARCOMPACT/ISA_ARCV2 (arch/arc),
>   ISA_M32R/ISA_M32R2/ISA_DSP_LEVEL2/ISA_DUAL_ISSUE (arch/m32r):
>   Instruction set options.
>
> Four out of the six instruction set options have ARC/M32R in the name,
> and I think that makes things slightly more readable. Therefore I
> humbly propose something longer, and with a hint of RISC-V in the name,
> such as ISA_RVC.
>
> (Take this with a grain of salt, perhaps.)

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?