Linus Torvalds Publicly Criticizes Google Engineer’s RISC-V Kernel Contributions
Date: August 11, 2025
Primary Keyword: Linus Torvalds RISC-V criticism
Secondary Keywords: Linux kernel, RISC-V architecture, kernel development, open-source, code quality, google, Linus Torvalds, kernel patches, software development.linus Torvalds, the creator of the Linux kernel, has issued a strongly worded public rebuke to a Google engineer regarding the quality and timeliness of their RISC-V architecture contributions.The incident, which unfolded in the Linux Kernel Mailing List (LKML), highlights the rigorous standards Torvalds maintains for kernel development and the importance of code quality within the open-source project.
The controversy centers around a series of patches submitted by the Google engineer aimed at improving RISC-V support within the Linux kernel. Torvalds characterized the code as “garbage” and went further, stating it “makes the world actively a worse place to live.” This unusually harsh criticism, reported by Techzine Global, Tom’s Hardware, and The Register, underscores torvalds’ frustration with the submitted work.
Beyond the code quality concerns, Torvalds also expressed displeasure with the repeated late submissions of the patches. He emphasized the importance of timely contributions to maintain the kernel’s development schedule and ensure stability.The public nature of the reprimand serves as a clear warning to all kernel developers about the expectations for code quality and adherence to deadlines.
RISC-V is an open-standard instruction set architecture (ISA) gaining traction as an alternative to proprietary architectures like ARM and x86. Its growing adoption within the embedded systems and server spaces makes robust Linux kernel support crucial. The need for high-quality RISC-V contributions is thus paramount to the continued success of the architecture and its integration into the broader Linux ecosystem.
Torvalds’ comments, while blunt, are consistent with his history of demanding excellence from kernel developers. He has long been known for his direct and often critical feedback, believing it is essential for maintaining the integrity and performance of the Linux kernel. This incident serves as a reminder of the high bar set for contributions to this foundational piece of software infrastructure.
The Google engineer has not yet publicly responded to Torvalds’ criticism as of this writing. However, the incident is likely to prompt a renewed focus on code review and quality assurance within the RISC-V kernel development community.
Sources:
Techzine Global: https://www.techzine.global/linux-developer-receives-public-warning-from-torvalds/ (Example URL – verify current link)
Tom’s Hardware: https://www.tomshardware.com/news/linus-torvalds-risc-v-code-garbage (Example URL – verify current link)
The Register: https://riscv.org/ (For background on RISC-V architecture)