Re: [PATCH v3 15/26] x86/virt/seamldr: Abort updates if errors occurred midway

[Tony Lindgren]

On Fri, Jan 23, 2026 at 06:55:23AM -0800, Chao Gao wrote:
> The TDX Module update process has multiple stages, each of which may
> encounter failures.
> 
> The current state machine of updates proceeds to the next stage
> regardless of errors. But continuing updates when errors occur midway
> is pointless.
> 
> If a CPU encounters an error, abort the update by setting a flag and
> exiting the execution loop. Note that this CPU doesn't acknowledge the
> current stage. This will keep all other CPUs in the current stage until
> they see the flag and exit the loop as well.

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