Re: [PATCH v3 4/6] x86/virt/tdx: Make TDX module initialize the extensions

[Edgecombe, Rick P]

On Sun, 2026-10-11 at 00:56 +0800, Xu Yilun wrote:
> Good to me. I re-wrote a new version:
> 
>     TDX module extensions use kernel-gifted memory for their execution
>     environment to serve SEAMCALL leafs. Several add-on features depend on
>     the extensions to execute their SEAMCALL leafs.
> 
>     After providing all required memory to the TDX module, initialize TDX
>     module extensions via TDH.EXT.INIT. This is a time-consuming process,
>     during which the TDX module loads its internal extension image into this
>     memory and builds the execution environment. Once initialized, those
>     add-on features can use their SEAMCALL leafs normally.

Looks good. But I'd still wonder how "time consuming". Should we say on the
order of booting a tiny VM? Maybe we don't know and that^ is the best we can do.