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

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Date:   Tue, 25 Jul 2017 22:20:50 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     j.neuschaefer@....net
CC:     patches@...ups.riscv.org, Olof Johansson <olof@...om.net>,
        Arnd Bergmann <arnd@...db.de>, akpm@...ux-foundation.org,
        albert@...ive.com, yamada.masahiro@...ionext.com, mmarek@...e.com,
        will.deacon@....com, peterz@...radead.org, boqun.feng@...il.com,
        mingo@...hat.com, daniel.lezcano@...aro.org, tglx@...utronix.de,
        jason@...edaemon.net, marc.zyngier@....com,
        gregkh@...uxfoundation.org, jslaby@...e.com, davem@...emloft.net,
        mchehab@...nel.org, sfr@...b.auug.org.au, fweisbec@...il.com,
        viro@...iv.linux.org.uk, mcgrof@...nel.org, dledford@...hat.com,
        bart.vanassche@...disk.com, sstabellini@...nel.org,
        daniel.vetter@...ll.ch, mpe@...erman.id.au, msalter@...hat.com,
        nicolas.dichtel@...nd.com, james.hogan@...tec.com,
        paul.gortmaker@...driver.com, linux@...ck-us.net,
        heiko.carstens@...ibm.com, schwidefsky@...ibm.com,
        linux-kernel@...r.kernel.org
Subject:     Re: [patches] [PATCH 17/17] RISC-V: Build Infastructure

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:
>
> * 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?