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Thu, 19 Mar 2026 10:04:15 -0400 (EDT) Date: Thu, 19 Mar 2026 14:04:08 +0000 From: Kiryl Shutsemau To: Chao Gao Cc: x86@kernel.org, linux-coco@lists.linux.dev, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, binbin.wu@linux.intel.com, dan.j.williams@intel.com, dave.hansen@linux.intel.com, ira.weiny@intel.com, kai.huang@intel.com, nik.borisov@suse.com, paulmck@kernel.org, pbonzini@redhat.com, reinette.chatre@intel.com, rick.p.edgecombe@intel.com, sagis@google.com, seanjc@google.com, tony.lindgren@linux.intel.com, vannapurve@google.com, vishal.l.verma@intel.com, yilun.xu@linux.intel.com Subject: Re: [PATCH v5 20/22] coco/tdx-host: Document TDX module update compatibility criteria Message-ID: References: <20260315135920.354657-1-chao.gao@intel.com> <20260315135920.354657-21-chao.gao@intel.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260315135920.354657-21-chao.gao@intel.com> On Sun, Mar 15, 2026 at 06:58:40AM -0700, Chao Gao wrote: > The TDX module update protocol facilitates compatible runtime updates. > > Document the compatibility criteria and indicators of various update > failures, including violations of the compatibility criteria. > > Note that runtime TDX module updates are an "update at your own risk" > operation; userspace must enforce all of the above compatibility > criteria. > > Signed-off-by: Chao Gao > Reviewed-by: Dan Williams Reviewed-by: Kiryl Shutsemau (Meta) -- Kiryl Shutsemau / Kirill A. Shutemov