Re: [PATCH v7 15/20] x86/virt/tdx: Reserve TDX module global KeyID

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On Wed, 2022-11-23 at 15:40 -0800, Dave Hansen wrote:
> On 11/20/22 16:26, Kai Huang wrote:
> > @@ -1053,6 +1056,12 @@ static int init_tdx_module(void)
> >  	if (ret)
> >  		goto out_free_tdmrs;
> >  
> > +	/*
> > +	 * Reserve the first TDX KeyID as global KeyID to protect
> > +	 * TDX module metadata.
> > +	 */
> > +	tdx_global_keyid = tdx_keyid_start;
> 
> This doesn't "reserve" squat.
> 
> You could argue that it "picks", "chooses", or "designates" the
> 'tdx_global_keyid', but where is the "reservation"?

Right.  I'll change to use "choose".




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