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New Linux Kernel Patches From Intel Delivering +18% Database Performance

In addition to the recent Linux kernel patches out of Intel for Cache Aware Scheduling for better performance, separately, another interesting new patch series was sent out this week for the Linux kernel. The patches rework some low-level Linux kernel memory management code and at least for database workloads the early benchmarks are showing possible 14~18% faster database performance with PostgreSQL...
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Fedora Cloud Looks To Switch /boot To Btrfs Subvolume

With Fedora 43 releasing in the coming weeks, Fedora stakeholders are beginning to plot their feature ideas for next year's Fedora 44 release. One of the early F44 feature submissions pending approval is switching /boot on Fedora Cloud images to being a Btrfs file-system subvolume...
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Linux Graphics Driver Fixes Readied For Linux 6.18-rc2

Ahead of the Linux 6.18-rc2 release on Sunday, the Direct Rendering Manager (DRM) fixes for the week were sent out today. There is the usual assortment of different kernel graphics driver fixes, mostly with the Intel and AMD drivers as usual. In particular a few Intel driver fixes make this week's pull worth mentioning...
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Valve Developer Contributes Major Improvement To RADV Vulkan For Llama.cpp AI

Valve's Linux graphics driver team contributions aren't limited to just enhancing the rasterization and ray-tracing graphics performance of the open-source Linux GPU drivers for gaming. Beyond other interesting contributions from that talented group of open-source Linux graphics developers over the years and for other areas like enhancing old GPU hardware support, merged this week for the Radeon Vulkan "RADV" driver is a massive improvement to benefit the Llama.cpp AI performance...
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Meta Uncovers RDSEED Architectural Issue In AMD Zen 5 CPUs

Over the years we have seen various workarounds like disabling RDSEED for select AMD CPUs due to hardware bugs and early on in the Zen days were also some RdRand issues due to different problems. It turns out the newest AMD EPYC 5th Gen "Turin" processors have a new RDSEED issue...
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Linux Affected By Decade Old Bug In Software RAID Around O_DIRECT Usage

A Phoronix reader pointed out a bug report from 2015 now getting renewed interest... Linux software RAID via MD RAID, DRBD, LVM RAID, and similar software-based solutions can be broken from user-space around O_DIRECT usage. The issue is that these RAID arrays can be put silently into an inconsistent state across disks...
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An Early Look At Linux 6.18 Performance With Intel Xeon 6 Granite Rapids

With Linux 6.18 now past the merge window and many new features and changes introduced (https://www.phoronix.com/review/linux-618-features), I have begun testing out this kernel on various servers, desktops, and laptops at Phoronix. Linux 6.18 is quite important with expected to become this year's LTS kernel version upon its stable debut in December. Up today is a first look at Linux 6.17 vs. 6.18-rc1 performance using Intel Xeon 6 Granite Rapids server performance.
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Proposed Patches Make Upstream Linux Kernel Usable For The OpenWrt One Router

Announced nearly one year ago was the OpenWrt One as a router/AP that is "hacker-friendly" and open-source. The OpenWrt One is powered by a Filogic 820 SoC and features WiFi 6. This official OpenWrt device is manufactured by Banana Pi. While there is downstream open-source code available for customizing the OpenWrt One to your heart's content, the upstream Linux kernel support to date hasn't been full-featured...
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Mesa Gallium3D Driver Merged For Arm Ethos NPUs

Arm has been working on an open-source Linux kernel accelerator "accel" driver for their Ethos NPUs. That kernel driver continues being revised and under review for inclusion into a future mainline Linux kernel release. Already though a Gallium3D driver for Mesa has been merged for leveraging the Ethos NPU...
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Valve Developer Contributes Open-Source Driver Fixes For 12 Year Old Hawaii GPUs

Valve's open-source Linux graphics team continues carrying out great feats from getting NVIDIA DLSS working on the open-source NVK driver to enhancing Linux GPU driver support for hardware long forgotten about by the hardware vendors. The latest improvement from Valve's stellar group of open-source contributors are some fixes that benefit old Radeon Rx 200 series graphics cards that are more than one decade old...
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