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This change, combined with the compiler hint to inline get_used_event, shortens the window between the memory read and the actual check by calling get_used_event from needs_notification. Without it, when putting enough pressure on the vring, it's possible that a notification is wrongly omitted, causing the queue to stall. Signed-off-by: Sergio Lopez <slp@redhat.com> |
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Cargo.toml |