Re: [PATCH v5 16/16] x86/tdx: Add cmdline option to force use of ioremap_host_shared
From: Andi Kleen
Date: Sun Oct 10 2021 - 22:40:00 EST
The connection is quite unfortunate IMHO.
Can't there be an option
that unbreaks drivers *without* opening up security holes by
making BIOS shared?
That would require new low level APIs that distinguish both cases, and a
tree sweep.
-Andi