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

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Message-ID: <20231011111438.909552-1-cleger@rivosinc.com>
Date:   Wed, 11 Oct 2023 13:14:25 +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:     Clément Léger <cleger@...osinc.com>,
        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: [PATCH v1 00/13] riscv: report more ISA extensions through hwprobe

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(-)

-- 
2.42.0