Re: [PATCH v4 08/24] x86/virt/seamldr: Block TDX Module updates if any CPU is offline

From: Dave Hansen

Date: Thu Mar 12 2026 - 16:20:46 EST


On 2/12/26 06:35, Chao Gao wrote:
> P-SEAMLDR requires every CPU to call SEAMLDR.INSTALL during updates. So,
> every CPU should be online during updates.

Gah, how did another one of these creep in? We've already fixed like a
half dozen of these.

There needs to be a *LONG* justification why there is no other choice
here. There are very good reasons to leave CPUs offline forever.