Re: [PATCH v4 22/24] coco/tdx-host: Document TDX Module update expectations

[dan.j.williams]

Chao Gao wrote:
> The TDX Module update protocol facilitates compatible runtime updates.
> 
> Document the compatibility criteria and indicators of various update
> failures, including violations of the compatibility criteria.
> 
> Signed-off-by: Chao Gao <chao.gao@xxxxxxxxx>
> Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> ---
> v4
>  - Drop "compat_capable" kernel ABI [Dan]
>  - Document Linux compatibility expectations and results of violating
>    them [Dan]
> ---
[..]
> +
> +		See tdxctl [1] documentation for how to detect compatible
> +		updates and whether the current platform components catch errors
> +		or let them leak and cause potential TD attestation failures.
> +		[1]: <TBD - tdxctl link>

Delete this paragraph. Do not carry dead documentation in the tree. You
might clarify in the changelog that until tooling arrives it is an
"update at your own risk" scenario in terms of encountering incompatible
updates.  Otherwise, no point in documenting tdxctl vaporware in the
tree.