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LoongArch Improvements Land In Linux 7.1

   Written by Michael Larabel in Hardware on 25 April 2026 at 06:54 AM
   EDT. Add A Comment
   HARDWARE
   Merged for the nearly-over Linux 7.1 merge window are a number of
   enhancements to the LoongArch architecture support for that Chinese CPU
   architecture inspired by MIPS and RISC-V.
   LoongArch with Linux 7.1 is now showing and handling CPU
   vulnerabilities correctly, implementing more atomic instructions for
   the BPF JIT, implementing more features for the BPF trampoline, and
   various other low-level enhancements.
   Somewhat surprisingly is work on 32-bit support in LoongArch with this
   pull. There is now HIGHMEM (PKMAP and FIX_KMAP) support primarily for
   32-bit usage for accessing greater amounts of memory as well as various
   other 32-bit/64-bot handling changes around CONFIG_32BIT usage.

                               Loongson 3B6000
   In case you missed the recent Phoronix benchmarking of LoongArch, see
   Loongson 3B6000 Benchmarks: How China's LoongArch CPU Compares To AMD
   Zen 5, Intel Arrow Lake & Raspberry Pi 5.
   More details on these LoongArch changes merged for Linux 7.1 via this
   pull.

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