linux-kernel - Re: [PATCH v2 00/12] Add support for a few Zc* extensions as well as Zcmop

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Date: Thu, 18 Apr 2024 18:58:13 +0530
From: Anup Patel <anup@...infault.org>
To: Palmer Dabbelt <palmer@...belt.com>, Palmer Dabbelt <palmer@...osinc.com>
Cc: Jonathan Corbet <corbet@....net>, Paul Walmsley <paul.walmsley@...ive.com>, 
	Albert Ou <aou@...s.berkeley.edu>, Conor Dooley <conor@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Shuah Khan <shuah@...nel.org>, 
	Atish Patra <atishp@...shpatra.org>, linux-doc@...r.kernel.org, 
	linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	devicetree@...r.kernel.org, kvm@...r.kernel.org, 
	kvm-riscv@...ts.infradead.org, linux-kselftest@...r.kernel.org, 
	Clément Léger <cleger@...osinc.com>
Subject: Re: [PATCH v2 00/12] Add support for a few Zc* extensions as well as Zcmop

Hi Palmer,

On Thu, Apr 18, 2024 at 6:13 PM Clément Léger <cleger@...osinc.com> wrote:
>
> Add support for (yet again) more RVA23U64 missing extensions. Add
> support for Zcmop, Zca, Zcf, Zcd and Zcb extensions isa string parsing,
> hwprobe and kvm support. Zce, Zcmt and Zcmp extensions have been left
> out since they target microcontrollers/embedded CPUs and are not needed
> by RVA23U64
>
> This series is based on the Zimop one [1].
>
> Link: https://lore.kernel.org/linux-riscv/20240404103254.1752834-1-cleger@rivosinc.com/ [1]
>
> ---
> v2:
>  - Add Zc* dependencies validation in dt-bindings
>  - v1: https://lore.kernel.org/lkml/20240410091106.749233-1-cleger@rivosinc.com/
>
> Clément Léger (12):
>   dt-bindings: riscv: add Zca, Zcf, Zcd and Zcb ISA extension
>     description
>   riscv: dts: enable Zc* extensions when needed
>   dt-bindings: riscv: add Zc* extension rules implied by C extension
>   riscv: add ISA parsing for Zca, Zcf, Zcd and Zcb
>   riscv: hwprobe: export Zca, Zcf, Zcd and Zcb ISA extensions
>   RISC-V: KVM: Allow Zca, Zcf, Zcd and Zcb extensions for Guest/VM
>   KVM: riscv: selftests: Add some Zc* extensions to get-reg-list test
>   dt-bindings: riscv: add Zcmop ISA extension description
>   riscv: add ISA extension parsing for Zcmop
>   riscv: hwprobe: export Zcmop ISA extension
>   RISC-V: KVM: Allow Zcmop extension for Guest/VM
>   KVM: riscv: selftests: Add Zcmop extension to get-reg-list test
>
>  Documentation/arch/riscv/hwprobe.rst          |  24 ++
>  .../devicetree/bindings/riscv/cpus.yaml       |   8 +-
>  .../devicetree/bindings/riscv/extensions.yaml | 124 +++++++++
>  arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi |   4 +-
>  arch/riscv/boot/dts/microchip/mpfs.dtsi       |  20 +-
>  arch/riscv/boot/dts/renesas/r9a07g043f.dtsi   |   4 +-
>  arch/riscv/boot/dts/sifive/fu540-c000.dtsi    |  20 +-
>  arch/riscv/boot/dts/sifive/fu740-c000.dtsi    |  20 +-
>  arch/riscv/boot/dts/sophgo/cv18xx.dtsi        |   4 +-
>  arch/riscv/boot/dts/sophgo/sg2042-cpus.dtsi   | 256 +++++++++---------
>  arch/riscv/boot/dts/starfive/jh7100.dtsi      |   8 +-
>  arch/riscv/boot/dts/starfive/jh7110.dtsi      |  20 +-
>  arch/riscv/boot/dts/thead/th1520.dtsi         |  16 +-
>  arch/riscv/include/asm/hwcap.h                |   5 +
>  arch/riscv/include/uapi/asm/hwprobe.h         |   5 +
>  arch/riscv/include/uapi/asm/kvm.h             |   5 +
>  arch/riscv/kernel/cpufeature.c                |   5 +
>  arch/riscv/kernel/sys_hwprobe.c               |   5 +
>  arch/riscv/kvm/vcpu_onereg.c                  |  10 +
>  .../selftests/kvm/riscv/get-reg-list.c        |  20 ++
>  20 files changed, 394 insertions(+), 189 deletions(-)
>
> --
> 2.43.0
>

Most likely the KVM RISC-V related changes in this series
will conflict with the KVM RISC-V repo.

I will provide a shared tag based on 6.9-rc3 tomorrow or
early next week.

Regards,
Anup