Re: [PATCH v5 16/16] x86/tdx: Add cmdline option to force use of ioremap_host_shared

[Andi Kleen]

> I mean ... it's already wide spread.


I meant wide spread usage with confidential guests.

> If we support it with TDX
> it will be used with TDX.

It has some security trade offs. The main reason to use TDX is security. 
Also when people take the VT-d tradeoffs they might be ok with the BIOS 
trade offs too.

-Andi