Re: [PATCH v8 11/16] x86/virt/tdx: Designate reserved areas for all TDMRs

[Dave Hansen]

On 1/9/23 17:19, Huang, Kai wrote:
>> It's probably also worth noting *somewhere* that there's a balance to be
>> had between TDMRs and reserved areas.  A system that is running out of
>> reserved areas in a TDMR could split a TDMR to get more reserved areas.
>> A system that has run out of TDMRs could relatively easily coalesce two
>> adjacent TDMRs (before the PAMTs are allocated) and use a reserved area
>> if there was a gap between them.
> We can add above to the changelog of this patch, or the patch 09 ("x86/virt/tdx:
> Fill out TDMRs to cover all TDX memory regions").  The latter perhaps is better
> since that patch is the first place where the balance of TDMRs and reserved
> areas is related.
> 
> What is your suggestion?

Just put it close to the code that actually hits the problem so the
potential solution is close at hand to whoever hits the problem.