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Changes

  • Remove unnecessary usage of std::result::Result and redefinitions of Result type
  • Move virtio features related functions testing closer to VirtioDevice definition
  • Remove unnecessary usage of anyhow

Reason

Codebase maintenance

License Acceptance

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  • 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.
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  • This functionality cannot be added in rust-vmm.

@ShadowCurse ShadowCurse self-assigned this Oct 6, 2025
@ShadowCurse ShadowCurse force-pushed the maintenance_1 branch 3 times, most recently from 66328bf to 67e608c Compare October 6, 2025 13:04
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codecov bot commented Oct 6, 2025

Codecov Report

❌ Patch coverage is 73.68421% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.79%. Comparing base (f335a0a) to head (3c70033).
⚠️ Report is 3 commits behind head on main.

Files with missing lines Patch % Lines
src/vmm/src/devices/virtio/transport/pci/device.rs 60.00% 2 Missing ⚠️
src/vmm/src/vstate/vm.rs 0.00% 2 Missing ⚠️
src/vmm/src/pci/mod.rs 0.00% 1 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #5465      +/-   ##
==========================================
- Coverage   82.79%   82.79%   -0.01%     
==========================================
  Files         263      263              
  Lines       27226    27223       -3     
==========================================
- Hits        22541    22538       -3     
  Misses       4685     4685              
Flag Coverage Δ
5.10-m5n.metal 82.97% <73.68%> (+<0.01%) ⬆️
5.10-m6a.metal 82.22% <73.68%> (-0.01%) ⬇️
5.10-m6g.metal 79.56% <73.68%> (-0.02%) ⬇️
5.10-m6i.metal 82.96% <73.68%> (-0.01%) ⬇️
5.10-m7a.metal-48xl 82.21% <73.68%> (-0.01%) ⬇️
5.10-m7g.metal 79.57% <73.68%> (-0.01%) ⬇️
5.10-m7i.metal-24xl 82.94% <73.68%> (-0.01%) ⬇️
5.10-m7i.metal-48xl 82.94% <73.68%> (-0.01%) ⬇️
5.10-m8g.metal-24xl 79.57% <73.68%> (-0.01%) ⬇️
5.10-m8g.metal-48xl 79.57% <73.68%> (-0.01%) ⬇️
6.1-m5n.metal 83.01% <73.68%> (+<0.01%) ⬆️
6.1-m6a.metal 82.25% <73.68%> (-0.01%) ⬇️
6.1-m6g.metal 79.57% <73.68%> (-0.01%) ⬇️
6.1-m6i.metal 82.99% <73.68%> (-0.01%) ⬇️
6.1-m7a.metal-48xl 82.24% <73.68%> (-0.01%) ⬇️
6.1-m7g.metal 79.56% <73.68%> (-0.01%) ⬇️
6.1-m7i.metal-24xl 83.01% <73.68%> (+<0.01%) ⬆️
6.1-m7i.metal-48xl 83.01% <73.68%> (-0.01%) ⬇️
6.1-m8g.metal-24xl 79.56% <73.68%> (-0.02%) ⬇️
6.1-m8g.metal-48xl 79.56% <73.68%> (-0.01%) ⬇️

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@ShadowCurse ShadowCurse marked this pull request as ready for review October 6, 2025 13:21
@ShadowCurse ShadowCurse added Status: Awaiting review Indicates that a pull request is ready to be reviewed Type: Enhancement Indicates new feature requests labels Oct 6, 2025
@ShadowCurse ShadowCurse requested a review from bchalios October 6, 2025 14:22
bchalios
bchalios previously approved these changes Oct 7, 2025
We have a convention of not referring to Result
type with full path since it is implicitly added to
all namespaces.
Additionally remove Result type redefinitions as we
don't allow this.

Signed-off-by: Egor Lazarchuk <[email protected]>
Instead of testing default implementations for avail_features_by_page
and ack_features_by_page in rng and net devices, test it in device.rs

Signed-off-by: Egor Lazarchuk <[email protected]>
Prefer proper error types over ambiguous anyhow errors.

Signed-off-by: Egor Lazarchuk <[email protected]>
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LGTM!

@ShadowCurse ShadowCurse enabled auto-merge (rebase) October 7, 2025 10:56
@ShadowCurse ShadowCurse merged commit 99365ff into firecracker-microvm:main Oct 7, 2025
5 of 7 checks passed
@ShadowCurse ShadowCurse deleted the maintenance_1 branch October 7, 2025 11:01
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3 participants