pci: Only set MSI-X vector for valid queues #5335
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This is the equivalent to the fix in 741c29f but for guest writes. We need to make sure that `queue_select` points to a valid queue before setting the MSI-X vector otherwise we'll hit a panic when accessing the underlying `Vec`. Signed-off-by: Babis Chalios <[email protected]>
bchalios
added
the
Status: Awaiting review
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## feature/pcie #5335 +/- ##
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Coverage 80.35% 80.36%
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Files 265 265
Lines 30821 30828 +7
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+ Hits 24767 24775 +8
+ Misses 6054 6053 -1
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Manciukic
approved these changes
Jul 30, 2025
roypat
approved these changes
Jul 30, 2025
roypat
merged commit 411ecd1
into
firecracker-microvm:feature/pcie
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Changes
Ignore writes for setting MSI-X vector for invalid queues
Reason
Otherwise, we'll get panics when accessing of
msix_queuevector.License Acceptance
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CHANGELOG.md.Runbook for Firecracker API changes.
integration tests.
TODO.rust-vmm.