Re: [PATCH v3 11/26] x86/virt/seamldr: Block TDX Module updates if any CPU is offline

[Xu Yilun]

On Fri, Jan 23, 2026 at 06:55:19AM -0800, Chao Gao wrote:
> P-SEAMLDR requires every CPU to call the SEAMLDR.INSTALL SEAMCALL during
> updates.  So, every CPU should be online.
> 
> Check if all CPUs are online and abort the update if any CPU is offline at
> the very beginning. Without this check, P-SEAMLDR will report failure at a
> later phase where the old TDX module is gone and TDs have to be killed.
> 
> Signed-off-by: Chao Gao <chao.gao@xxxxxxxxx>

Reviewed-by: Xu Yilun <yilun.xu@xxxxxxxxxxxxxxx>