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bieszczaders/kernel-cachyos

Official port linux-cachyos-bore and linux-cachyos-lts for Fedora Meet CachyOS team! linux-cachyos and linux-cachyos-lts use as default the BORE-EEVDF scheduler BORE - (Burst-Oriented Response Enhancer) CPU Scheduler by firelzrd (BORE) EEVDF - (Earliest Eligiable Virtual Deadline) First EEVDF is a replacement for the CFS Scheduler from Peter Zijlstra Announcement 2024/06/16: Support for sched-ext schedulers has been added to the stable branch kernels. Installation instructions can be found on the addons repo page. GCC-compiled kernels The kernels in this repository are compiled with GCC. We have a seperate repo with Clang-compiled LTO kernels, which can be found here. The Clang-compiled kernels give better performance, but may have issues with some kernel modules. Features AMD PSTATE Preferred Core and enabled as default Latest BTRFS and XFS improvements & fixes. Latest & improved ZSTD 1.5.5 patch-set. UserKSM daemon from pf. Improved BFQ Scheduler. Back-ported patches from linux-next. BBRv3 tcp_congestion_control. Scheduler patches from linux-next/tip. General improved sysctl settings and upstream scheduler fixes. OpenRGB and ACS Override support. HDR Patches for AMD GPU's and gamescope. Default support for Steam Deck. Sched-ext scheduler support. Installation instructions can be found here. GitHub copr-linux-cachyos. Checking for the cpu support Check support by the following the command /lib64/ld-linux-x86-64.so.2 --help | grep "(supported, searched)" If it does not detect x86_64_v3 support do not install the default kernel. Otherwise you will end up with a non-functioning operating system! If it detects only x86_64_v2, you can use the LTS kernel. SElinux and cachyos kernel sudo setsebool -P domain_kernel_load_modules on If you are using SElinux. Enable the above policy to load kernel modules.
  • Fedora 41 : x86_64
  • Fedora 42 : x86_64
  • Fedora rawhide : x86_64

bieszczaders/kernel-cachyos-addons

Announcement 2024/06/16: Sched-ext schedulers support has been added to the stable branch kernels. Instructions can be found below. Userspace KSM helper daemon. The daemon goes through the list of userspace tasks (once per 5 seconds) and hints them to apply MADV_MERGEABLE to anonymous mappings for ksmd kthread to merge memory pages with the same content. Only long-living tasks are hinted (those that were launched more than 10 seconds ago). This requires pmadv_ksm() syscall, which is available in pf-kernel. Configuration The daemon requires zero configuration. Distribution and Contribution Distributed under terms and conditions of GNU GPL v3 (only). Developers: Oleksandr Natalenko oleksandr@natalenko.name CachyOS branding The special version for CachyOS also includes uksmdstats . GitHub uksmd. Contributors: Piotr Gorski piotrgorski@cachyos.org Damian N. nycko123@gmail.com
  • Fedora 41 : x86_64
  • Fedora 42 : x86_64
  • Fedora rawhide : x86_64

bieszczaders/kernel-cachyos-dev

CachyOS development and testing repository. Please don't use it.
  • Fedora 41 : x86_64
  • Fedora 42 : x86_64
  • Fedora rawhide : x86_64

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