[PATCH v3 0/6] KVM RISC-V Conditional Operations

Anup Patel anup at brainfault.org
Wed Oct 4 23:05:50 PDT 2023


On Tue, Oct 3, 2023 at 9:22 AM Anup Patel <apatel at ventanamicro.com> wrote:
>
> This series extends KVM RISC-V to allow Guest/VM discover and use
> conditional operations related ISA extensions (namely XVentanaCondOps
> and Zicond).
>
> To try these patches, use KVMTOOL from riscv_zbx_zicntr_smstateen_condops_v1
> branch at: https://github.com/avpatel/kvmtool.git
>
> These patches are based upon the latest riscv_kvm_queue and can also be
> found in the riscv_kvm_condops_v3 branch at:
> https://github.com/avpatel/linux.git
>
> Changes since v2:
>  - Dropped patch1, patch2, and patch5 since these patches don't meet
>    the requirements of patch acceptance policy.
>
> Changes since v1:
>  - Rebased the series on riscv_kvm_queue
>  - Split PATCH1 and PATCH2 of v1 series into two patches
>  - Added separate test configs for XVentanaCondOps and Zicond in PATCH7
>    of v1 series.
>
> Anup Patel (6):
>   dt-bindings: riscv: Add Zicond extension entry
>   RISC-V: Detect Zicond from ISA string
>   RISC-V: KVM: Allow Zicond extension for Guest/VM
>   KVM: riscv: selftests: Add senvcfg register to get-reg-list test
>   KVM: riscv: selftests: Add smstateen registers to get-reg-list test
>   KVM: riscv: selftests: Add condops extensions to get-reg-list test

Queued this series for Linux-6.7

Thanks,
Anup

>
>  .../devicetree/bindings/riscv/extensions.yaml |  6 +++
>  arch/riscv/include/asm/hwcap.h                |  1 +
>  arch/riscv/include/uapi/asm/kvm.h             |  1 +
>  arch/riscv/kernel/cpufeature.c                |  1 +
>  arch/riscv/kvm/vcpu_onereg.c                  |  2 +
>  .../selftests/kvm/riscv/get-reg-list.c        | 54 +++++++++++++++++++
>  6 files changed, 65 insertions(+)
>
> --
> 2.34.1
>



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