Re: [PATCH -next v14 17/19] riscv: kvm: Add V extension to KVM ISA

Conor Dooley
2023-03-01T21:38:51Z

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On Fri, Feb 24, 2023 at 05:01:16PM +0000, Andy Chiu wrote:
> From: Vincent Chen <vincent.chen@sifive.com>
>
> Add V extension to KVM isa extension list to enable supporting of V
> extension on VCPUs.
>
> Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
> Signed-off-by: Greentime Hu <greentime.hu@sifive.com>
> Signed-off-by: Andy Chiu <andy.chiu@sifive.com>

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Thanks,
Conor.

> ---
> arch/riscv/include/uapi/asm/kvm.h | 1 +
> arch/riscv/kvm/vcpu.c | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h
> index 92af6f3f057c..3e3de7d486e1 100644
> --- a/arch/riscv/include/uapi/asm/kvm.h
> +++ b/arch/riscv/include/uapi/asm/kvm.h
> @@ -105,6 +105,7 @@ enum KVM_RISCV_ISA_EXT_ID {
> KVM_RISCV_ISA_EXT_SVINVAL,
> KVM_RISCV_ISA_EXT_ZIHINTPAUSE,
> KVM_RISCV_ISA_EXT_ZICBOM,
> + KVM_RISCV_ISA_EXT_V,
> KVM_RISCV_ISA_EXT_MAX,
> };
>
> diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c
> index 7c08567097f0..b060d26ab783 100644
> --- a/arch/riscv/kvm/vcpu.c
> +++ b/arch/riscv/kvm/vcpu.c
> @@ -57,6 +57,7 @@ static const unsigned long kvm_isa_ext_arr[] = {
> [KVM_RISCV_ISA_EXT_H] = RISCV_ISA_EXT_h,
> [KVM_RISCV_ISA_EXT_I] = RISCV_ISA_EXT_i,
> [KVM_RISCV_ISA_EXT_M] = RISCV_ISA_EXT_m,
> + [KVM_RISCV_ISA_EXT_V] = RISCV_ISA_EXT_v,
>
> KVM_ISA_EXT_ARR(SSTC),
> KVM_ISA_EXT_ARR(SVINVAL),
> --
> 2.17.1
>

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