On 6/17/20 6:37 AM, Peter Enderborg wrote:
> diff --git a/Documentation/admin-guide/kernel-parameters.txt 
> b/Documentation/admin-guide/kernel-parameters.txt
> index fb95fad81c79..249c86e53bb7 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -827,6 +827,17 @@
>                       useful to also enable the page_owner functionality.
>                       on: enable the feature
>  
> +     debugfs=        [KNL] When CONFIG_DEBUG_FS_RESTRICTED is set, this 
> parameter
> +                     enables what is exposed to userspace.
> +                     Format: { on, no_fs, off }
> +                     on:     All functions are enabled.
> +                     no_fs:  Filesystem is not registered but kernel clients 
> can
> +                             access APIs and a crashkernel can be used to 
> read
> +                             it's content. There its nothing to mount.

                                its content. There is nothing to mount.


> +                     off:    (default) Filesystem is not registered and 
> clients
> +                             get a -EPERM as result when trying to register 
> files
> +                             or directories within debugfs.
> +
>       debugpat        [X86] Enable PAT debugging
>  
>       decnet.addr=    [HW,NET]


-- 
~Randy

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