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

Conor Dooley conor at kernel.org
Wed Mar 1 13:38:30 PST 2023


On Fri, Feb 24, 2023 at 05:01:16PM +0000, Andy Chiu wrote:
> From: Vincent Chen <vincent.chen at 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 at sifive.com>
> Signed-off-by: Greentime Hu <greentime.hu at sifive.com>
> Signed-off-by: Andy Chiu <andy.chiu at sifive.com>

Reviewed-by: Conor Dooley <conor.dooley at 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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