Re: [PATCH v2] x86/retbleed: add "stuff" mode admin documentation

[Dave Hansen]

On 1/9/23 08:08, Randy Dunlap wrote:
> +			stuff        - Enables "stuffing" mode mitigation,
> +				       which uses return thunking and call depth
> +				       tracking.  Only in effect if
> +				       CONFIG_CALL_DEPTH_TRACKING is set and
> +				       Spectre V2 mitigation mode is
> +				       "retpoline".
> +				       IBRS is fully secure mitigation but is
> +				       more costly (slower) than stuffing.

The "fully secure" thing makes me cringe a bit.

I'd suggest saying:

	IBRS is a stronger mitigation
	but is more costly than stuffing
	(slower).