[PATCH -next v15 17/19] riscv: kvm: Add V extension to KVM ISA
Anup Patel
anup at brainfault.org
Fri Mar 17 04:54:37 PDT 2023
On Fri, Mar 17, 2023 at 5:08 PM Andy Chiu <andy.chiu at sifive.com> 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>
Looks good to me.
Reviewed-by: Anup Patel <anup at brainfault.org>
Acked-by: Anup Patel <anup at brainfault.org>
Regards,
Anup
> ---
> 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 7d010b0be54e..a7ddb7cf813e 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
>
More information about the linux-riscv
mailing list