Re: [PATCH v6 12/21] x86/virt/tdx: Add placeholder to construct TDMRs to cover all TDX memory regions

[Andi Kleen]

> +/* Calculate the actual TDMR_INFO size */
> +static inline int cal_tdmr_size(void)
> +{
> +	int tdmr_sz;
> +
> +	/*
> +	 * The actual size of TDMR_INFO depends on the maximum number
> +	 * of reserved areas.
> +	 */
> +	tdmr_sz = sizeof(struct tdmr_info);
> +	tdmr_sz += sizeof(struct tdmr_reserved_area) *
> +		   tdx_sysinfo.max_reserved_per_tdmr;


would seem safer to have a overflow check here.