From: Artem Bityutskiy <dedekind1@gmail.com>
To: Peter Xu <peterx@redhat.com>
Cc: "Tony Lindgren" <tony.lindgren@linux.intel.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Sean Christopherson" <seanjc@google.com>,
"Tom Lendacky" <thomas.lendacky@amd.com>,
"Jörg Rödel" <joro@8bytes.org>,
"Kishen Maloor" <kishen.maloor@intel.com>,
kvm@vger.kernel.org, David.Kaplan@amd.com,
Mathias.Brossard@arm.com,
"Serge Hallyn (AMD)" <sergeh@kernel.org>
Subject: TDX migration model
Date: Wed, 04 Nov 2026 15:51:45 +0200 [thread overview]
Message-ID: <f4f34bc3dd22c0e47b5ee764b1a4db8940cbbbec.camel@gmail.com> (raw)
In-Reply-To: <aq1ehHk7OUYaGCe5@zhexu-thinkpadt14gen5.rmtcaon.csb>
Hi Peter, community,
Here is the TDX migration model doc that I mentioned in the CoCo migration
uAPI thread:
https://github.com/dedekind/dedekind-share/blob/master/2026/tdx-live-migration.md
The doc focuses on TDX only. It does not cover CoCo in general or
Linux/KVM.
The goal is to lay out what the TDX module offers in terms of ABI and
migration flow today. Hopefully it is easier to read than the TDX specs,
which are much more detailed. Feedback is very welcome.
The uAPIs that we suggested were modeled around this flow and ABI. But
we kept general CoCo VMs in mind as much as we could.
The TDX live migration PoC implementation that we mentioned earlier follows
the flows and uses the ABIs described in the doc.
Thanks!
P.S. From the ARM talk and hallway conversations at Plumbers, I understood
that the ARM live migration flow is very similar to TDX. For SNP guests, we
have not heard enough yet.
Thanks,
Artem.
next prev parent reply other threads:[~2026-11-04 13:51 UTC|newest]
Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-31 7:13 [RFC PATCH v2 0/4] Add KVM API for confidential guest live migration Tony Lindgren
2026-08-31 7:13 ` [RFC PATCH v2 1/4] Documentation: KVM: Add live migration API for confidential guests Tony Lindgren
2026-08-31 7:20 ` sashiko-bot
2026-09-18 11:35 ` Peter Xu
2026-09-21 4:20 ` Tony Lindgren
2026-09-24 1:50 ` Wei Wang
2026-09-24 4:51 ` Tony Lindgren
2026-11-10 12:42 ` Artem Bityutskiy
2026-08-31 7:13 ` [RFC PATCH v2 2/4] KVM: x86: Add optional KVM_CAP_LIVE_MIGRATION and KVM_MIGRATE_CMD Tony Lindgren
2026-08-31 7:23 ` sashiko-bot
2026-09-01 6:03 ` Tony Lindgren
2026-09-07 11:53 ` Tony Lindgren
2026-09-07 13:15 ` Jörg Rödel
2026-09-07 13:32 ` Artem Bityutskiy
2026-09-08 4:15 ` Tony Lindgren
2026-09-08 4:43 ` Tony Lindgren
2026-09-09 0:22 ` Kishen Maloor
2026-09-09 6:57 ` Tony Lindgren
2026-09-10 1:11 ` Kishen Maloor
2026-09-10 6:33 ` Tony Lindgren
2026-09-11 1:40 ` Kishen Maloor
2026-09-11 4:23 ` Tony Lindgren
2026-09-15 0:14 ` Kishen Maloor
2026-09-15 4:44 ` Tony Lindgren
2026-09-15 15:53 ` Kishen Maloor
2026-09-16 5:09 ` Tony Lindgren
2026-09-17 3:31 ` Kishen Maloor
2026-09-17 6:42 ` Tony Lindgren
2026-09-18 4:32 ` Kishen Maloor
2026-09-18 5:58 ` Tony Lindgren
2026-09-21 0:13 ` Kishen Maloor
2026-09-21 6:52 ` Tony Lindgren
2026-09-21 9:24 ` Tony Lindgren
2026-09-21 10:58 ` Tony Lindgren
2026-09-22 3:57 ` Kishen Maloor
2026-09-22 5:25 ` Tony Lindgren
2026-09-23 0:38 ` Kishen Maloor
2026-09-23 6:04 ` Tony Lindgren
2026-09-24 5:53 ` Kishen Maloor
2026-09-24 6:59 ` Tony Lindgren
2026-09-18 4:33 ` Kishen Maloor
2026-09-21 5:58 ` Tony Lindgren
2026-09-21 6:56 ` Tony Lindgren
2026-09-22 3:56 ` Kishen Maloor
2026-09-22 6:27 ` Tony Lindgren
2026-09-23 0:37 ` Kishen Maloor
2026-09-23 6:50 ` Tony Lindgren
2026-09-24 5:34 ` Kishen Maloor
2026-09-24 7:15 ` Tony Lindgren
2026-10-08 9:22 ` Tony Lindgren
2026-10-16 4:00 ` Kishen Maloor
2026-08-31 7:13 ` [RFC PATCH v2 3/4] KVM: x86: Add optional KVM_EXPORT_MEMORY and KVM_IMPORT_MEMORY Tony Lindgren
2026-08-31 7:23 ` sashiko-bot
2026-09-01 6:10 ` Tony Lindgren
2026-08-31 7:13 ` [RFC PATCH v2 4/4] KVM: x86: Add optional KVM_EXPORT_VCPU and KVM_IMPORT_VCPU Tony Lindgren
2026-08-31 7:23 ` sashiko-bot
2026-09-01 6:12 ` Tony Lindgren
2026-09-04 18:24 ` [RFC PATCH v2 0/4] Add KVM API for confidential guest live migration Artem Bityutskiy
2026-09-17 21:27 ` Peter Xu
2026-09-18 12:46 ` Artem Bityutskiy
2026-09-18 15:53 ` Peter Xu
2026-09-22 8:09 ` Artem Bityutskiy
2026-09-22 9:42 ` Tony Lindgren
2026-09-22 11:54 ` Artem Bityutskiy
2026-09-23 4:20 ` Tony Lindgren
2026-09-22 21:18 ` Peter Xu
2026-09-23 12:05 ` Artem Bityutskiy
2026-09-24 21:19 ` Peter Xu
2026-09-28 14:15 ` Artem Bityutskiy
2026-09-29 21:05 ` Peter Xu
2026-10-02 19:57 ` Artem Bityutskiy
2026-10-07 20:00 ` Peter Xu
2026-09-23 15:28 ` Serge Hallyn (AMD)
2026-11-04 13:51 ` Artem Bityutskiy [this message]
2026-11-05 14:58 ` TDX migration model Serge Hallyn (AMD)
2026-11-05 15:59 ` Artem Bityutskiy
2026-11-05 16:42 ` Serge E. Hallyn
2026-11-06 2:00 ` Kishen Maloor
2026-11-09 7:45 ` Tony Lindgren
2026-11-09 22:15 ` Serge Hallyn (AMD)
2026-11-10 5:16 ` Tony Lindgren
2026-10-09 6:11 ` [RFC PATCH v2 0/4] Add KVM API for confidential guest live migration Tony Lindgren
2026-10-16 3:56 ` Kishen Maloor
2026-10-19 7:34 ` Tony Lindgren
2026-09-20 23:56 ` Kishen Maloor
2026-09-23 21:36 ` Peter Xu
2026-09-24 4:27 ` Kishen Maloor
2026-09-25 14:18 ` Peter Xu
2026-09-29 1:28 ` Kishen Maloor
2026-09-30 20:42 ` Peter Xu
2026-10-07 4:27 ` Kishen Maloor
2026-10-07 20:13 ` Peter Xu
2026-10-08 6:23 ` Tony Lindgren
2026-10-08 14:31 ` Peter Xu
2026-10-09 4:29 ` Tony Lindgren
2026-10-16 4:02 ` Kishen Maloor
2026-09-18 18:36 ` Ionut Mihalcea
2026-09-21 4:35 ` Tony Lindgren
2026-09-25 16:03 ` Serge Hallyn (AMD)
2026-09-28 3:24 ` Kishen Maloor
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