On 05/05/2020 09:14, Jan Beulich wrote:
> --- a/xen/tools/gen-cpuid.py
> +++ b/xen/tools/gen-cpuid.py
> @@ -284,6 +284,9 @@ def crunch_numbers(state):
>          # as dependent features simplifies Xen's logic, and prevents the 
> guest
>          # from seeing implausible configurations.
>          IBRSB: [STIBP, SSBD],
> +
> +        # In principle the TSXLDTRK insns could also be considered 
> independent.
> +        RTM: [TSXLDTRK],

Why the link?  There is no relevant interaction AFAICT.

~Andrew

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