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guest_configs: Sync microvm Kconfigs with AL upstream - #6164

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guest_configs: Sync microvm Kconfigs with AL upstream#6164
ilstam wants to merge 2 commits into
firecracker-microvm:mainfrom
ilstam:sync-guest-configs

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@ilstam

@ilstam ilstam commented Aug 28, 2026

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Refresh the CI guest kernel configs from the Amazon Linux microVM kernel srpm configs.

Notable changes are PCIe hotplug support on all versions, and for 6.1 TUN, VXLAN, GENEVE, socket diag, CHECKPOINT_RESTORE and Landlock.

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PR Checklist

  • I have read and understand CONTRIBUTING.md.
  • I have run tools/devtool checkbuild --all to verify that the PR passes
    build checks on all supported architectures.
  • I have run tools/devtool checkstyle to verify that the PR passes the
    automated style checks.
  • I have described what is done in these changes, why they are needed, and
    how they are solving the problem in a clear and encompassing way.
  • I have updated any relevant documentation (both in code and in the docs)
    in the PR.
  • I have mentioned all user-facing changes in CHANGELOG.md.
  • If a specific issue led to this PR, this PR closes the issue.
  • When making API changes, I have followed the
    Runbook for Firecracker API changes.
  • I have tested all new and changed functionalities in unit tests and/or
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  • This functionality cannot be added in rust-vmm.

Refresh the CI guest kernel configs from the Amazon Linux microVM kernel
srpm configs.

Notable changes are PCIe hotplug support on all versions, and for 6.1
TUN, VXLAN, GENEVE, socket diag, CHECKPOINT_RESTORE and Landlock.

Signed-off-by: Ilias Stamatis <ilstam@amazon.com>
@ilstam ilstam added the Status: Awaiting review Indicates that a pull request is ready to be reviewed label Aug 28, 2026
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codecov Bot commented Aug 28, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.07%. Comparing base (cc535f0) to head (692d3fb).

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #6164   +/-   ##
=======================================
  Coverage   83.06%   83.07%           
=======================================
  Files         277      277           
  Lines       31019    31019           
=======================================
+ Hits        25767    25768    +1     
+ Misses       5252     5251    -1     
Flag Coverage Δ
5.10-m5n.metal 83.34% <ø> (ø)
5.10-m6a.metal 82.70% <ø> (ø)
5.10-m6g.metal 80.18% <ø> (ø)
5.10-m6i.metal 83.34% <ø> (-0.01%) ⬇️
5.10-m7a.metal-48xl 82.69% <ø> (-0.01%) ⬇️
5.10-m7g.metal 80.18% <ø> (ø)
5.10-m7i.metal-24xl 83.32% <ø> (-0.01%) ⬇️
5.10-m7i.metal-48xl 83.32% <ø> (ø)
5.10-m8g.metal-24xl 80.18% <ø> (+<0.01%) ⬆️
5.10-m8g.metal-48xl 80.18% <ø> (+<0.01%) ⬆️
5.10-m8i.metal-48xl 83.31% <ø> (+<0.01%) ⬆️
5.10-m8i.metal-96xl 83.31% <ø> (ø)
5.10-m9g.metal-48xl 80.18% <ø> (ø)
6.1-m5n.metal 83.36% <ø> (+<0.01%) ⬆️
6.1-m6a.metal 82.73% <ø> (-0.01%) ⬇️
6.1-m6g.metal 80.18% <ø> (ø)
6.1-m6i.metal 83.36% <ø> (ø)
6.1-m7a.metal-48xl 82.73% <ø> (+<0.01%) ⬆️
6.1-m7g.metal 80.18% <ø> (-0.01%) ⬇️
6.1-m7i.metal-24xl 83.38% <ø> (ø)
6.1-m7i.metal-48xl 83.38% <ø> (ø)
6.1-m8g.metal-24xl 80.18% <ø> (-0.01%) ⬇️
6.1-m8g.metal-48xl 80.18% <ø> (ø)
6.1-m8i.metal-48xl 83.38% <ø> (+<0.01%) ⬆️
6.1-m8i.metal-96xl 83.38% <ø> (-0.01%) ⬇️
6.1-m9g.metal-48xl 80.18% <ø> (+<0.01%) ⬆️
6.18-m5n.metal 83.37% <ø> (+<0.01%) ⬆️
6.18-m6a.metal 82.73% <ø> (-0.01%) ⬇️
6.18-m6g.metal 80.20% <ø> (ø)
6.18-m6i.metal 83.36% <ø> (+<0.01%) ⬆️
6.18-m7a.metal-48xl 82.72% <ø> (ø)
6.18-m7g.metal 80.20% <ø> (ø)
6.18-m7i.metal-24xl 83.37% <ø> (ø)
6.18-m7i.metal-48xl 83.38% <ø> (+<0.01%) ⬆️
6.18-m8g.metal-24xl 80.20% <ø> (ø)
6.18-m8g.metal-48xl 80.20% <ø> (ø)
6.18-m8i.metal-48xl 83.38% <ø> (ø)
6.18-m8i.metal-96xl 83.38% <ø> (ø)
6.18-m9g.metal-48xl 80.20% <ø> (ø)

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Manciukic
Manciukic previously approved these changes Aug 28, 2026
CONFIG_SQUASHFS_ZSTD in ci.config and CONFIG_FRAME_POINTER in
debug.config are already enabled by every microvm-kernel-ci base config,
so setting them again has no effect.

Signed-off-by: Ilias Stamatis <ilstam@amazon.com>
@not4s

not4s commented Aug 28, 2026

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