linux-kernel - Re: [PATCH v2 0/3] Expose TDX Module version

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Message-ID: <ea966be2-b44d-421c-85f4-03d3db6c790a@intel.com>
Date: Tue, 6 Jan 2026 08:37:43 -0800
From: Dave Hansen <dave.hansen@...el.com>
To: Chao Gao <chao.gao@...el.com>
Cc: Kiryl Shutsemau <kas@...nel.org>, kvm@...r.kernel.org,
 linux-coco@...ts.linux.dev, linux-kernel@...r.kernel.org, x86@...nel.org,
 vishal.l.verma@...el.com, kai.huang@...el.com, dan.j.williams@...el.com,
 yilun.xu@...ux.intel.com, vannapurve@...gle.com,
 Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>,
 "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
 Rick Edgecombe <rick.p.edgecombe@...el.com>,
 Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v2 0/3] Expose TDX Module version

On 1/6/26 02:23, Chao Gao wrote:
> First I don't think we should expose TDX module version or hypervisor
> version to guests. See my reply to Kirill.

I just read it. It didn't provide any insight. For now, it's a plain old
NAK on the new ABI. The water is too muddied.

I'm still open to dumping something to dmesg though.