Linux 7.1 to Retire UDP-Lite – Allows for Better Performance with Cleansed Code

6 hours ago

Linux 7.1 kernel will retire UDP-Lite support.
UDP-Lite allowed partial checksums for damaged packets but has been unused for years.
Removing UDP-Lite improves performance by 3-10% for other UDP workloads.
A null-ptr-deref bug in UDP-Lite was found in 2023, highlighting its lack of use.
Deprecation notice was issued in 2023, with removal planned for 2025.
No complaints led to the decision to remove UDP-Lite in Linux 7.1.
Cleanup of UDP-Lite code simplifies networking and boosts performance.

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