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devel-call-2024-02-14.md

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Meeting: SVSM Development Call (February 14, 2024)

Attendees:

Adam Dunlap, Carlos, Carlos Bilbao, Carlos López, David Altobelli, Eddie Dong, Jacob Xu, Jeremi Piotrowski, Joerg Roedel, Liam Merwick, Nicolai Stange, Oliver Steffen, Roy Hopkins, Vasant Karasulli, Vijay dhanraj

Announcements:

  • Joerg Roedel will be out next week, so there will be no SVSM development call on February 21st.

Topics:

Move to IGVM as the default launch process for SVSM:

  • Joerg Roedel proposed switching the default launch process for SVSM to IGVM.
  • Roy Hopkins reported a build issue with IGVM and suggested creating an issue on the IGVM repo.
  • Joerg Roedel suggested waiting until Friday to merge the necessary changes to allow everyone to try out the new process and report any issues.
  • After Friday, if no issues are reported, the changes will be merged and support for the old launch process (stage1) will eventually be removed.
  • Documentation on how to use the new process is available in Roy Hopkins' PR #237.
  • Oliver Steffen asked about the possibility of having a tool to calculate SNP measurements with IGVM. Joerg Roedel suggested requesting an attestation report to get the launch measurement.

Continuous Integration (CI) on actual SMP-capable hardware:

  • Jeremi Piotrowski inquired about the status of CI on SMP-capable hardware.
  • Joerg Roedel mentioned limited availability of hardware and the need for additional resources from the CCC project.
  • He expressed interest in getting the project onboarded with the CCC to enable CI.

IGVM file signing and ID blocks:

  • David Altobelli offered to contribute to the IGVM tooling related to signing and ID blocks.
  • Joerg Roedel mentioned that signing is not yet implemented but planned for the future.

Code ownership and review process:

  • Joerg Roedel mentioned using labels for PRs to track their status.
  • Carlos López suggested using GitHub's code owners feature to automate review requests.
  • Joerg Roedel expressed interest in implementing this feature.

Replacement of remaining Box uses with the new type:

  • Carlos López announced the completion of the new Box type and its almost complete equivalence to the old one.
  • He mentioned a small detail about unsized types requiring a macro due to technical limitations.

Deprecation of stage1 launch process:

  • Jacob Xu inquired about the timeline for deprecating the stage1 launch process.
  • Joerg Roedel suggested a staged approach:
    • Merge the IGVM documentation changes first, allowing users to continue using the old process.
    • Encourage everyone to switch to IGVM.
    • After sufficient adoption, remove the stage1 code and dependencies.
  • Adam Dunlap requested keeping stage1 available longer as Google cannot easily switch due to using a different VMM. Joerg Roedel agreed, as long as Google reports any issues encountered.