Re: [RFC Patch 1/2] KVM: SVM: Create SEV cgroup controller.

[Randy Dunlap]

Hi,

On 9/21/20 5:40 PM, Vipin Sharma wrote:
> diff --git a/init/Kconfig b/init/Kconfig
> index d6a0b31b13dc..1a57c362b803 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -1101,6 +1101,20 @@ config CGROUP_BPF
>  	  BPF_CGROUP_INET_INGRESS will be executed on the ingress path of
>  	  inet sockets.
>  
> +config CGROUP_SEV
> +	bool "SEV ASID controller"
> +	depends on KVM_AMD_SEV
> +	default n
> +	help
> +	  Provides a controller for AMD SEV ASIDs. This controller limits and
> +	  shows the total usage of SEV ASIDs used in encrypted VMs on AMD
> +	  processors. Whenever a new encrypted VM is created using SEV on an
> +	  AMD processor, this controller will check the current limit in the
> +	  cgroup to which the task belongs and will deny the SEV ASID if the
> +	  cgroup has already reached its limit.
> +
> +	  Say N if unsure.

Something here (either in the bool prompt string or the help text) should
let a reader know w.t.h. SEV means.

Without having to look in other places...

thanks.
-- 
~Randy