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

From: Palmer Dabbelt
Date: Wed Jul 26 2017 - 01:20:59 EST


On Tue, 25 Jul 2017 19:57:17 PDT (-0700), j.neuschaefer@xxxxxxx 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@xxxxxxxxxxx>
>> ---
> [...]
>> +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?