• AutoTL;DR@lemmings.worldBEnglish
    2·
    3 months ago

    This is the best summary I could come up with:

    Theo de Raadt has released OpenBSD 7.5 as the newest version of this security-focused BSD operating system.

    With OpenBSD 7.5 there is a number of improvements for ARM (AArch64) hardware, never-ending kernel optimizations and other tuning work, countless package updates, and other adjustments to this popular BSD platform.

    • OpenBSD 7.5 on ARM64 adds per-CPU caching for the VP pool and PTE descriptor (PTED) pool in the PMAP implementation to reduce side effects of locking contention on the kernel map lock.

    • SMP improvements with some network timers now running without the kernel lock, bind and connect system calls can now run in parallel, UDP packets can now be sent in parallel by multiple threads, and other changes.

    • The Direct Rendering Manager (DRM) code has been synced against the Linux 6.6.19 upstream state.

    • The AMPCHWM driver has been added for Ampere Altra power telemetry support.

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