Re: [kvmtool PATCH 07/10] riscv: Add Zihintntl extension support

[Andrew Jones <ajones@ventanamicro.com>]

On Wed, Feb 14, 2024 at 05:51:38PM +0530, Anup Patel wrote:
> When the Zihintntl extension is available expose it to the guest
> via device tree so that guest can use it.
> 
> Signed-off-by: Anup Patel <apatel@ventanamicro.com>
> ---
>  riscv/fdt.c                         | 1 +
>  riscv/include/kvm/kvm-config-arch.h | 3 +++
>  2 files changed, 4 insertions(+)
> 
> diff --git a/riscv/fdt.c b/riscv/fdt.c
> index 7687624..80e045d 100644
> --- a/riscv/fdt.c
> +++ b/riscv/fdt.c
> @@ -37,6 +37,7 @@ struct isa_ext_info isa_info_arr[] = {
>  	{"zicond", KVM_RISCV_ISA_EXT_ZICOND},
>  	{"zicsr", KVM_RISCV_ISA_EXT_ZICSR},
>  	{"zifencei", KVM_RISCV_ISA_EXT_ZIFENCEI},
> +	{"zihintntl", KVM_RISCV_ISA_EXT_ZIHINTNTL},
>  	{"zihintpause", KVM_RISCV_ISA_EXT_ZIHINTPAUSE},
>  	{"zihpm", KVM_RISCV_ISA_EXT_ZIHPM},
>  	{"zknd", KVM_RISCV_ISA_EXT_ZKND},
> diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
> index f1ac56b..2935c01 100644
> --- a/riscv/include/kvm/kvm-config-arch.h
> +++ b/riscv/include/kvm/kvm-config-arch.h
> @@ -88,6 +88,9 @@ struct kvm_config_arch {
>  	OPT_BOOLEAN('\0', "disable-zifencei",				\
>  		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZIFENCEI],	\
>  		    "Disable Zifencei Extension"),			\
> +	OPT_BOOLEAN('\0', "disable-zihintntl",				\
> +		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZIHINTNTL],	\
> +		    "Disable Zihintntl Extension"),			\
>  	OPT_BOOLEAN('\0', "disable-zihintpause",			\
>  		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZIHINTPAUSE],\
>  		    "Disable Zihintpause Extension"),			\
> -- 
> 2.34.1
>

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>