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Changes

Move the reset of the hinting command id from activate to kick so it's only reset on resume

Reason

Remove the uneeded interrupt on a booted instance

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  • I have read and understand CONTRIBUTING.md.
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  • This functionality cannot be added in rust-vmm.

Move the reset logic for post restore hinting to the kick method. This
will reset the command back to DONE to ensure the memory is freed on
restore. Previously this was done on activate which meant is was
triggered on boot creating an uneeded interrupt.

Signed-off-by: Jack Thomson <[email protected]>
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codecov bot commented Dec 4, 2025

Codecov Report

❌ Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 83.23%. Comparing base (07ebf7e) to head (3ab0dbc).
⚠️ Report is 1 commits behind head on main.

Files with missing lines Patch % Lines
src/vmm/src/devices/virtio/balloon/device.rs 0.00% 4 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #5559      +/-   ##
==========================================
- Coverage   83.25%   83.23%   -0.02%     
==========================================
  Files         277      277              
  Lines       29263    29263              
==========================================
- Hits        24362    24358       -4     
- Misses       4901     4905       +4     
Flag Coverage Δ
5.10-m5n.metal 83.58% <0.00%> (-0.02%) ⬇️
5.10-m6a.metal 82.92% <0.00%> (-0.01%) ⬇️
5.10-m6g.metal 80.19% <0.00%> (-0.02%) ⬇️
5.10-m6i.metal 83.58% <0.00%> (-0.02%) ⬇️
5.10-m7a.metal-48xl 82.90% <0.00%> (-0.02%) ⬇️
5.10-m7g.metal 80.19% <0.00%> (-0.02%) ⬇️
5.10-m7i.metal-24xl 83.55% <0.00%> (-0.02%) ⬇️
5.10-m7i.metal-48xl 83.55% <0.00%> (-0.02%) ⬇️
5.10-m8g.metal-24xl 80.19% <0.00%> (-0.02%) ⬇️
5.10-m8g.metal-48xl 80.19% <0.00%> (-0.02%) ⬇️
6.1-m5n.metal 83.61% <0.00%> (-0.01%) ⬇️
6.1-m6a.metal 82.94% <0.00%> (-0.02%) ⬇️
6.1-m6g.metal 80.18% <0.00%> (-0.03%) ⬇️
6.1-m6i.metal 83.60% <0.00%> (-0.02%) ⬇️
6.1-m7a.metal-48xl 82.93% <0.00%> (-0.02%) ⬇️
6.1-m7g.metal 80.19% <0.00%> (-0.02%) ⬇️
6.1-m7i.metal-24xl 83.61% <0.00%> (-0.02%) ⬇️
6.1-m7i.metal-48xl 83.62% <0.00%> (-0.02%) ⬇️
6.1-m8g.metal-24xl 80.18% <0.00%> (-0.02%) ⬇️
6.1-m8g.metal-48xl 80.19% <0.00%> (-0.02%) ⬇️

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@JackThomson2 JackThomson2 added the Status: Awaiting review Indicates that a pull request is ready to be reviewed label Dec 4, 2025
@JackThomson2 JackThomson2 enabled auto-merge (rebase) December 4, 2025 11:42
@JackThomson2 JackThomson2 merged commit a8f5d78 into firecracker-microvm:main Dec 4, 2025
7 of 8 checks passed
@JackThomson2 JackThomson2 deleted the hinting_kick_restore branch December 4, 2025 14:57
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3 participants