> I'll admit that I don't fully understand the details and the expected
> implications of this change, but: OVMF does install permanent PEI RAM on
> the S3 resume path, and it would be nice if that wouldn't break.
> 
> ... If this is a very intrusive change, can it be made dependent on a
> FeaturePCD perhaps?

This shouldn't be intrusive - at the time you call the IPL entry point 
permanent memory will be installed and the decompression and section extraction 
PPIs will be available.  So I would argue that the change should be fully 
transparent to existing implementations (if we do it right).  That being said 
I'd appreciate a test with the changes - wait for the updated patchset though, 
incorporating the feedback from Star.

Eugene
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