Re: [PATCH v11 16/20] x86/virt/tdx: Initialize all TDMRs

[kirill . shutemov]

On Mon, Jun 05, 2023 at 02:27:29AM +1200, Kai Huang wrote:
> After the global KeyID has been configured on all packages, initialize
> all TDMRs to make all TDX-usable memory regions that are passed to the
> TDX module become usable.
> 
> This is the last step of initializing the TDX module.
> 
> Initializing TDMRs can be time consuming on large memory systems as it
> involves initializing all metadata entries for all pages that can be
> used by TDX guests.  Initializing different TDMRs can be parallelized.
> For now to keep it simple, just initialize all TDMRs one by one.  It can
> be enhanced in the future.
> 
> Signed-off-by: Kai Huang <kai.huang@xxxxxxxxx>
> Reviewed-by: Isaku Yamahata <isaku.yamahata@xxxxxxxxx>

Reviewed-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

-- 
  Kiryl Shutsemau / Kirill A. Shutemov