Re: [PATCH v3 24/26] x86/virt/seamldr: Extend sigstruct to 16KB

[Tony Lindgren]

On Fri, Jan 23, 2026 at 06:55:32AM -0800, Chao Gao wrote:
> Currently, each TDX Module has a 4KB sigstruct that is passed to the
> P-SEAMLDR during module updates to authenticate the TDX Module binary.
> 
> Future TDX Module versions will pack additional information into the
> sigstruct, which will exceed the current 4KB size limit.
> 
> To accommodate this, the sigstruct is being extended to support up to
> 16KB. Update seamldr_params and tdx-blob structures to handle the larger
> sigstruct size.

Reviewed-by: Tony Lindgren <tony.lindgren@xxxxxxxxxxxxxxx>