FERRAMENTAS LINUX: Kernel Linux
Mostrando postagens com marcador Kernel Linux. Mostrar todas as postagens
Mostrando postagens com marcador Kernel Linux. Mostrar todas as postagens

quarta-feira, 18 de fevereiro de 2026

Linux 7.0 Unleashed: The close_range() Syscall Optimization That Redefines File Descriptor Management

 


Linux Kernel 7.0 is set to revolutionize system performance with a major optimization to the close_range() syscall. This deep dive explores how the new patch shifts complexity from O(Range Size) to O(Active FDs), leveraging find_next_bit() to deliver a significant speed boost for sparse file descriptor tables. Learn how this impacts high-performance computing and server efficiency.

terça-feira, 17 de fevereiro de 2026

Linux Kernel Stability Under Siege: The 6.19.1 Boot Regression Post-Mortem

 

An in-depth technical analysis of the critical Linux kernel boot regression caused by the 6.19.1 update. We examine the flawed device_lock backport, the emergency 6.19.2 hotfix, Greg Kroah-Hartman's official response, and the cascading impact on LTS kernels like 6.6.x. Essential reading for sysadmins and DevOps engineers managing production stability.

segunda-feira, 16 de fevereiro de 2026

Linux 7.0 to Revolutionize Flash Storage: Inside the F2FS Performance Overhaul

 


Discover the groundbreaking performance optimizations coming to the F2FS in Linux 7.0, from Large Folio support for accelerated read speeds to a 93% reduction in checkpoint latency. This deep dive analyzes the patch notes, architectural improvements like packed_ssa, and the real-world implications for enterprise storage and embedded systems.

quinta-feira, 12 de fevereiro de 2026

Linux 7.0 Rejects MMC Subsystem: Linus Torvalds Labels Code "Complete Garbage" Over Testing Failures


 Following Linus Torvalds’ scathing rejection of "untested crap" from the Linux MMC subsystem, the Linux 7.0 merge window closes its doors to storage hardware patches. This analysis dissects the failed eMMC pull request, the specific kernel build errors involving CONFIG_MULTIPLEXER, and the stringent linux-next compliance required for Linux 7.1 resubmission.

quarta-feira, 11 de fevereiro de 2026

Linux 7.0 Kernel Ushers in the Era of Compiler-Driven Locking Security with LLVM Clang 22

 


How the Linux 7.0 kernel is replacing Sparse with LLVM Clang 22’s compiler-driven context analysis to eliminate false positives, enforce zero-warning policies, and revolutionize kernel locking security. A deep dive into the future of static analysis, Rust integration, and maintainability.

segunda-feira, 9 de fevereiro de 2026

The Official Advent of Linux 7.0: A Deep Dive into the Next-Generation Kernel Cycle

 

Kernel Linux

Linus Torvalds confirms Linux 7.0 as the successor to 6.19, with the merge window now open. Explore the high-impact features, Ubuntu 26.04 LTS integration, and what this major version shift means for enterprise infrastructure, embedded systems, and cloud computing. Last updated: October 2023.

sábado, 7 de fevereiro de 2026

Linux Kernel RFC Unveils First Machine Learning Library for System-Level AI Optimization

 

Kernel Linux

BM engineer Viacheslav Dubeyko's RFC introduces a native Machine Learning Library (ML_LIB) for the Linux kernel, enabling AI-driven performance optimization. Explore the technical challenges, user-kernel space proxy architecture, and industry implications of embedding ML models directly into kernel subsystems for next-gen computing. This pivotal development bridges AI research and core OS functionality, sparking critical debate on the LKML.

domingo, 1 de fevereiro de 2026

Linux 6.20 Kernel to Feature cTGPU Control for Uniwill Laptops, Boosting NVIDIA RTX Performance




The upcoming Linux 6.20~7.0 kernel cycle will introduce custom Total Graphics Power (cTGP) control for Uniwill-manufactured laptops, including TUXEDO Computers models. This platform driver enhancement allows users to adjust dedicated NVIDIA GPU power limits, optimizing performance for RTX 3000 series and newer mobile graphics. Discover how this upstream development improves Linux hardware compatibility and gaming/workstation potential. 

Linux Kernel 7.0 Unveils Advanced Thermal Control for Framework Laptops & ChromeOS EC Hardware

 

Kernel Linux

 
Linux kernel 7.0 introduces advanced thermal management for Framework & ChromeOS EC devices via the HWMON subsystem. Discover how new fan speed targets & temperature thresholds (hwmon_temp_max, crit, emergency) enhance performance & stability. Expert analysis of hwmon-next patches and kernel integration roadmap.

Linux 7.0 Kernel Advances: Sheaves Cache Layer Set to Replace CPU Partial Slabs for Enhanced Performance

 



Linux 7.0 aims to replace traditional per-CPU partial slab caches with the new "sheaves" caching layer, potentially boosting kernel memory management performance. Learn about the technical implementation, benefits for PREEMPT_RT, and the roadmap from SUSE's SLAB maintainer Vlastimil Babka. 

terça-feira, 27 de janeiro de 2026

Optimizing Linux Kernel Swap Performance: Tencent's Breakthrough Patches for Memory Efficiency

 




Explore Tencent's groundbreaking Linux kernel patches delivering 30% swap metadata memory savings, up to 2.4% faster performance, and scalable enhancements for enterprise server optimization and high-performance computing. Learn about cutting-edge systems programming innovations.

segunda-feira, 19 de janeiro de 2026

The Linux Kernel's New SPDX SBOM Generation Tool

 

Kernel Linux

Explore the new SPDX SBOM generation tool for the Linux kernel, enabling automated Software Bill of Materials creation for license compliance, vulnerability management, and securing the software supply chain. Learn how it generates SPDX 3.0.1 documents.

sexta-feira, 16 de janeiro de 2026

Linux DRM-Next Advances: TI AM62P SoC Graphics Support & Kernel 6.20/7.0 GPU Driver Updates

 

Kernel

The latest Linux kernel DRM updates bring major GPU advancements, including TI AM62P SoC support with Imagination PowerVR BXS-4 graphics. This analysis covers the DRM-Next merge, Intel NPU6, AMD XDNA, and what it means for open-source graphics performance, upstream development, and embedded systems engineering.

segunda-feira, 12 de janeiro de 2026

Intel's Linutronix Enters New Era: Leadership Shift & Kernel Maintainer Email Consolidation Signal Strategic Pivot

 

Kernel


Intel subsidiary Linutronix, the powerhouse behind the Linux kernel's real-time PREEMPT_RT patch, enters a new chapter as its legendary founders transition. This strategic leadership change, coupled with maintainer email updates, signals a pivotal shift for open-source development. Explore the implications for enterprise Linux, embedded systems, and the kernel's future.

terça-feira, 6 de janeiro de 2026

Linux Kernel Cryptography Leap: Analyzing the 2026 AES Library Optimization Patches for Enterprise Performance & Security

 

Kernel  Linux

 A comprehensive analysis of the 2026 Linux kernel AES library optimization patches by Google engineer Eric Biggers. Learn how these 36 updates deliver >10x performance gains, constant-time execution, and reduced memory use for enhanced cryptographic security in enterprise and cloud environments. Explore the technical details and implications for system administrators and developers.

sábado, 13 de dezembro de 2025

Linux Kernel 6.19 Introduces Groundbreaking SVA Support for PCIe Devices via UIO

 

Kernel Linux

Explore the Linux 6.19 kernel's new uio_pci_generic_sva driver enabling Shared Virtual Addressing (SVA) for zero-copy DMA. Discover its impact on high-performance computing, edge devices, and PCIe hardware development. Authoritative guide on char/misc updates including Qualcomm & Analog Devices drivers.


segunda-feira, 8 de dezembro de 2025

Linux 6.19 Breakthrough: NVIDIA-Driven DMA-BUF for VFIO PCI Unlocks Next-Gen P2P Performance

 


Discover how Linux 6.19's groundbreaking DMA-BUF support for VFIO PCI, led by NVIDIA, revolutionizes PCIe peer-to-peer (P2P) DMA. This deep dive covers virtualization, GPU passthrough, and high-performance computing (HPC) use cases for data centers, boosting RDMA and NVMe-oF performance. Learn about the kernel development impact on enterprise hardware.


quinta-feira, 27 de novembro de 2025

Linux 6.18 Kernel Crisis Averted: Last-Minute ACPI Revert Prevents System Crashes

 

Kernel Linux


A last-minute kernel crash on an AMD Phenom II system, triggered by an ACPI idle driver optimization, forced an urgent revert just before the Linux 6.18 stable release. Explore the technical details of the null pointer dereference, the reverted commit, and what this means for Linux kernel development and system stability. 

terça-feira, 11 de novembro de 2025

Linux Kernel Crypto Performance Soars: Google Patches Deliver 53% HCTR2 Throughput Gain

 

Kernel Linux


Google engineer Eric Biggers boosts Linux kernel crypto performance with new POLYVAL patches. Learn how HCTR2 sees up to a 53% throughput increase & what this means for filesystem encryption & data security. A deep dive into Linux kernel optimization.

domingo, 2 de novembro de 2025

Linux Kernel Ported to WebAssembly: Running Native Linux in Your Browser

 

Kernel Linux


Discover how developer Joel Severin successfully ported the Linux kernel to WebAssembly (WASM), enabling it to run in a web browser. Explore the technical challenges, future potential of WebAssembly systems, and try the live demo. A breakthrough in cloud computing and web application development.