The 5.5 kernel is out

In the end, Linus decided to release the 5.5 kernel rather than going for another prepatch. "So despite the slight worry that the holidays might have affected the schedule, 5.5 ended up with the regular rc cadence and is out now." Some of the significant features in this release are iopl() emulation, many new io_uring commands, live-patch state tracking, type checking for BPF tracepoint programs, a new CPU load-balancing algorithm, the KUnit unit-testing framework, airtime queue limits for WiFi, and much more. See the KernelNewbies 5.5 changelog for more information.

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