linux-kernel - Re: [PATCH v1 00/13] riscv: report more ISA extensions through hwprobe

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Message-ID: <11d6a463-4e00-4407-9d93-2f9d190c4be3@rivosinc.com>
Date:   Thu, 12 Oct 2023 09:15:46 +0200
From:   Clément Léger <cleger@...osinc.com>
To:     linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org
Cc:     Palmer Dabbelt <palmer@...osinc.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Albert Ou <aou@...s.berkeley.edu>,
        Jonathan Corbet <corbet@....net>,
        Andrew Jones <ajones@...tanamicro.com>,
        Evan Green <evan@...osinc.com>, Conor Dooley <conor@...nel.org>
Subject: Re: [PATCH v1 00/13] riscv: report more ISA extensions through
 hwprobe

On second thought, maybe it would make more sense to squash all logical
commits together (dt-bindings, hwporobe, etc) with all the ISA
extensions in each. Tell me if you think it would be better.

Clément

On 11/10/2023 13:14, Clément Léger wrote:
> In order to be able to gather more information about the supported ISA
> extensions from userspace using the hwprobe syscall, add more ISA extensions
> report. This series adds the following ISA extensions support:
> 
> - Zfh[min]
> - Zvfh[min]
> - Zihintntl
> - Zvbb
> - Zvbc
> - Zvkb
> - Zvkg
> - Zvkned
> - Zvknh[ab]
> - Zvksed
> - Zvksh
> - Zvkn
> - Zvknc
> - Zvkng
> - Zvks
> - Zvksc
> - Zvksg
> - Zvkt
> 
> Clément Léger (13):
>   riscv: fatorize hwprobe ISA extension reporting
>   riscv: add ISA extension probing for Zv* extensions
>   riscv: hwprobe: export Zv* ISA extensions
>   dt-bindings: riscv: add Zv* ratified crypto ISA extensions description
>   riscv: add ISA extension probing for Zfh/Zfhmin
>   riscv: hwprobe: export Zfh/Zfhmin ISA extensions
>   dt-bindings: riscv: add Zfh/Zfhmin ISA extensions description
>   riscv: add ISA extension probing for Zihintntl
>   riscv: hwprobe: export Zhintntl ISA extension
>   dt-bindings: riscv: add Zihintntl ISA extension description
>   riscv: add ISA extension probing for Zvfh[min]
>   riscv: hwprobe: export Zvfh[min] ISA extensions
>   dt-bindings: riscv: add Zvfh[min] ISA extension description
> 
>  .../devicetree/bindings/riscv/extensions.yaml | 127 ++++++++++++++++++
>  Documentation/riscv/hwprobe.rst               |  65 +++++++++
>  arch/riscv/include/asm/hwcap.h                |  21 +++
>  arch/riscv/include/uapi/asm/hwprobe.h         |  21 +++
>  arch/riscv/kernel/cpufeature.c                |  21 +++
>  arch/riscv/kernel/sys_riscv.c                 |  53 ++++++--
>  6 files changed, 294 insertions(+), 14 deletions(-)
>