Aug 24, 2025 · Backend Development

Why Linus Torvalds Called Recent RISC‑V Patches ‘Garbage’ and What It Means for Linux 6.17

Linus Torvalds sharply rejected a late RISC‑V patch set submitted to Linux 6.17, labeling it garbage and warning developers to avoid low‑quality, last‑minute contributions, while the community debates the technical changes and the broader implications for kernel development.

Linus TorvaldsLinuxRISC-V

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Why Linus Torvalds Called Recent RISC‑V Patches ‘Garbage’ and What It Means for Linux 6.17

Linux Kernel Journey

Jun 29, 2025 · Fundamentals

How Xavier Xia’s Persistent Optimizations Made contpte_ptep_get Faster in All Scenarios

The article chronicles Xavier Xia’s iterative patches to the Linux kernel’s contpte_ptep_get() function, showing how early‑exit logic and subsequent refinements ultimately yielded consistent performance gains across diverse dirty/young page table scenarios, backed by benchmark data that convinced skeptical reviewers.

Linux kernelPerformance OptimizationXavier Xia

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How Xavier Xia’s Persistent Optimizations Made contpte_ptep_get Faster in All Scenarios