On Tue, Oct 10, 2023 at 10:34:59PM +0530, Anup Patel wrote:
> We will be implementing SBI DBCN extension for KVM RISC-V so let
> us change the KVM RISC-V SBI specification version to v2.0.
> 
> Signed-off-by: Anup Patel <apa...@ventanamicro.com>
> ---
>  arch/riscv/include/asm/kvm_vcpu_sbi.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/riscv/include/asm/kvm_vcpu_sbi.h 
> b/arch/riscv/include/asm/kvm_vcpu_sbi.h
> index cdcf0ff07be7..8d6d4dce8a5e 100644
> --- a/arch/riscv/include/asm/kvm_vcpu_sbi.h
> +++ b/arch/riscv/include/asm/kvm_vcpu_sbi.h
> @@ -11,7 +11,7 @@
>  
>  #define KVM_SBI_IMPID 3
>  
> -#define KVM_SBI_VERSION_MAJOR 1
> +#define KVM_SBI_VERSION_MAJOR 2

What does this number mean?  Who checks it?  Why do you have to keep
incrementing it?

thanks,

greg k-h

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