[Rust-VMM] rust-vmm sync meeting

Florescu, Andreea fandree at amazon.com
Mon Mar 8 10:09:19 UTC 2021

Thanks everyone for joining!


Here are the meeting minutes:

  *   Logging: https://github.com/rust-vmm/vhost-user-backend/issues/4

  *   whats the idomatic way to do logging across the various crates?

  *   typically people use the log crate and build on top of it: https://crates.io/crates/log

  *   alternative proposal: hide all logging & metrics behind an interface that defines relevant events

  *   example of usage: https://github.com/rust-vmm/vm-superio/blob/c9ecf106d4d8d38fdc8e91e254a7f7890fbe6c60/src/serial.rs#L112

  *   for now this is used only for metrics

  *   CH is using a macro for events: https://github.com/cloud-hypervisor/cloud-hypervisor/blob/master/event_monitor/src/lib.rs

  *   let's use this issue to continue the discussion: https://github.com/rust-vmm/community/issues/104

  *   for debugging & developing we can use the log crate

  *   also an open question about metrics (what/where/how many/how filtered)

  *   Public roadmap for 2021:

  *   https://github.com/orgs/rust-vmm/projects/3

  *   Use label: "roadmap 2021"

  *   Search for roadmap issues: https://github.com/search?q=org%3Arust-vmm+label%3A%22roadmap+2021%22&type=issues

  *   Branching policy for crates and release lifecycle management

  *   we've been doing branch releases for security vulnerabilities

  *   we do not have a policy for releases (how long do we support them)?

  *   QEMU:

  *   dev on master

  *   before releases they're looking more into what gets into master (i.e. only bug fixes)

  *   release branch

  *   3 release/year

  *   CH:

  *   release every 6 weeks

  *   use dependabot

  *   does not support older versions of CH (only support for latest version)

  *   Proposal:

  *   Handle releases on a case by case basis

  *   Proposal for branches: branch when need to (i.e. breaking changes & security releases)

  *   fandree@ add this to the community readme

  *   master support?

  *   only when there is a new change that is needed or when crates are not published

  *   releases on demand to support different projects (release just a versioned tag on master, ad-hoc branch for security backports on a release tag)

  *   obviously master tries to stay stable with CI keeping tests green - cost of a release should be small

  *   kvm-bindings

  *   CH tried to autogenerate new bindings, and it did not work

  *   we need to add documentation (if it does not exist) on how to generate them

  *   State of AArch64 support?

  *   crate support should be complete: kvm-ioctls, linux-loader; used in production Firecracker & Cloud Hypervisor

  *   removing dependency on libfdt options:

  *   rust crate for generating the DT (only static FDT)

  *   ACPI: there is a push to use it by default

  *   adding support to vmm-reference for ARM: https://github.com/rust-vmm/vmm-reference/issues/90

  *   Support for other hypervisors (!KVM):

  *   did not have time to discuss this; we'll discuss it at the next sync meeting

From: Florescu, Andreea
Sent: Wednesday, March 3, 2021 3:19 PM
To: Barbu, Iulian; Loghin, Laura; Ochescu, Catalin; Horobeanu, Dan; Iordache, Alexandra; Agache, Alexandru; meet at chime.aws; pin+2352511775 at chime.aws; rust-vmm at lists.opendev.org
Cc: M. Dodson; Ceyhun Ertürk; Catangiu, Adrian Costin; Zach Reizner; Wise, Bob; Liguori, Anthony; Trilok Soni; Dylan Reid; luka.perkov at sartura.hr; Brendan Burns; Alex Bennée
Subject: rust-vmm sync meeting
When: Monday, March 8, 2021 11:00 AM-12:00 PM.

Meeting Agenda: https://etherpad.opendev.org/p/rust-vmm-sync-2021
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