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

[Dave Hansen]

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"?