Re: [PATCH v19 098/130] KVM: TDX: Add a place holder to handle TDX VM exit

[Isaku Yamahata]

On Tue, Apr 09, 2024 at 06:36:01PM +0800,
Binbin Wu <binbin.wu@xxxxxxxxxxxxxxx> wrote:

> > +		return 1;
> > +
> > +	/*
> > +	 * TDH.VP.ENTRY
> 
> "TDH.VP.ENTRY" -> "TDH.VP.ENTER"
> 
> >   checks TD EPOCH which contend with TDH.MEM.TRACK and
> > +	 * vcpu TDH.VP.ENTER.
> Do you mean TDH.VP.ENTER on one vcpu can contend with TDH.MEM.TRACK and
> TDH.VP.ENTER on another vcpu?

Yes.  The caller of TDH.MEM.TRACK() must ensure that other vCPUS go through
inactive (not running vCPU) after TDH.MEM.TRACK().
-- 
Isaku Yamahata <isaku.yamahata@xxxxxxxxx>