linux-kernel - Re: [PATCH 2/2] x86/virt/tdx: Print TDX module version during init

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Message-ID: <ccc8650b-7a0c-4f8a-aeae-c7c05e023f1c@intel.com>
Date: Thu, 8 Jan 2026 12:49:44 -0800
From: Dave Hansen <dave.hansen@...el.com>
To: "Verma, Vishal L" <vishal.l.verma@...el.com>,
 "kas@...nel.org" <kas@...nel.org>
Cc: "Gao, Chao" <chao.gao@...el.com>,
 "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>,
 "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>,
 "Huang, Kai" <kai.huang@...el.com>, "x86@...nel.org" <x86@...nel.org>,
 "bp@...en8.de" <bp@...en8.de>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "Williams, Dan J" <dan.j.williams@...el.com>,
 "tglx@...utronix.de" <tglx@...utronix.de>,
 "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
 "linux-coco@...ts.linux.dev" <linux-coco@...ts.linux.dev>,
 "hpa@...or.com" <hpa@...or.com>, "mingo@...hat.com" <mingo@...hat.com>
Subject: Re: [PATCH 2/2] x86/virt/tdx: Print TDX module version during init

On 1/8/26 10:39, Verma, Vishal L wrote:
>         ret = ret ?: get_tdx_sys_info_version(&sysinfo->version);
> +
> +       pr_info("Module version: %u.%u.%02u\n",
> +               sysinfo->version.major_version,
> +               sysinfo->version.minor_version,
> +               sysinfo->version.update_version);

This is wonky, but it's also fine.

If we can't even get the module version, we have pretty big problems on
our hands Seeing "Module version: 0.0.00" is a nice indication. It'll
almost certainly be followed by a bunch of other nasty messages, so one
wonky message before them will be a drop in the bucket.