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Kernel: New in Linux 5.12 and Linux 5.11

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Linux
  • Intel eASIC N5X, Snapdragon 888 Support Land In Linux 5.12 - Phoronix

    There is a lot of new hardware enablement with the ARM platforms and DeviceTree additions for the Linux 5.12 kernel merge window.

    The various kernel pull requests from Arnd Bergmann were merged on Saturday night following the nearly week long delay due to the PNW winter weather thwarting the start of the merge window. Some of the ARM/DT highlights for Linux 5.12 include:

    - Lightening up the kernel by some 21.4k lines is the dropping of many old/obsolete ARM platforms. Nuked this time around are EFM32, PicoXcell, PRIMA2, Tango, U300, ZX, and ARCH/C6X.

  • Linux 5.12 Git Seeing New Code Land Following Winter Storm - Phoronix

    While the first week of a new merge window is often one of the busiest times for Linus Torvalds in overseeing the Linux kernel, until last night there was no actual Linux 5.12 code being pushed into the Linux Git repository. Linus was offline most of the week due to winter storms preventing him from pushing to the Git repository and interacting much with the mailing list.

    Texas had all the attention this past week for their massive outages, but Portland also experienced a brutal winter storm last weekend. The Oregon winter storm knocked out power to thousands and ended up interfering with the start of the Linux 5.12 merge window.

  • Linux 5.11 Supports Syscall User Dispatch Which Could Allow More Windows Games With DRM To Run Under Wine In The Future - LinuxReviews

    Many Windows games use direct system calls in their implementation of DRM and anti-cheat features. This is a problem because Windows API re-implementations like Wine do not get to see these syscalls and the Linux kernel has no idea what to do with them. The newly released Linux 5.11 kernel has a solution.

Faster IO_uring, BFQ + BLK-MQ Improvements Among The I/O Fun

  • Faster IO_uring, BFQ + BLK-MQ Improvements Among The I/O Fun For Linux 5.12

    The block subsystem and related storage changes were merged today for the in-development Linux 5.12 kernel.

    The IO_uring changes for Linux 5.12 continue to be quite prominent for this very compelling feature of the Linux kernel. In particular, continued work on making IO_uring even faster. With request recycling and task_work optimizations, IO_uring with Linux 5.12 is now in the range of 10% to 20% faster for workloads that are mostly inline. IO_uring is also now fully under memcg protection, SQPOLL fixes, LOOKUP_CACHED support, and other clean-ups and optimizations.

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