Re: [PATCH 1/2] x86/virt/tdx: Retrieve TDX module version

[Dave Hansen]

On 9/30/25 19:22, Chao Gao wrote:
> +	if (!ret && !(ret = read_sys_metadata_field(0x0800000100000003, &val)))
> +		sysinfo_version->minor_version = val;
> +	if (!ret && !(ret = read_sys_metadata_field(0x0800000100000004, &val)))
> +		sysinfo_version->major_version = val;
> +	if (!ret && !(ret = read_sys_metadata_field(0x0800000100000005, &val)))
> +		sysinfo_version->update_version = val;

Heh, how long does this take in practice to get 6 bytes of data out of
the module? When is the point that we move  over to TDH.SYS.RDALL?