Linux 5.14 Features From Secret Memory Areas To New Hardware, Core Scheduling, Legacy IDE Dropped
Storage / File-Systems:
- F2FS improvements including a read-only feature bit, a compress_cache mode for better random read performance, and other compression enhancements.
- Improved exFAT compatibility with some digital camera file-system implementations.
- Improvements to the distributed lock manager.
- EXT4 has a new option to help prevent possible information leakage from the journal.
- Supporting new SD specification features.
- More performance tuning for Btrfs.
Security:
- Support for secret memory areas via memfd_secret.
Other:
- Hyper-V improvements and other KVM work.
- The OSNoise tracer for helping to trace operating system noise and also improvements to HWLAT for hardware latency debugging.
- Perf preparations for Intel Alder Lake / hybrid CPUs.
- Initial support for ACPI Platform Runtime Mechanism.
- Programmable button support for the HID input driver.
- Linux's legacy IDE code was removed.
Stay tuned for Linux 5.14 kernel benchmarks shortly on Phoronix. Linux 5.14 stable should be out by early September.
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