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mastodon 4.7.3LWN.net aims to be the premier news and information source for the free software community. We provide comprehensive coverage of development, legal, commercial, and security issues. The LWN.net Weekly Edition is our weekly summary of what has happened in the free software world; our front page offers up-to-the-minute coverage.
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Debian votes to allow "responsible use of generative AI"
https://lwn.net/Articles/1091231/
#LWN #Linux #Debian
[$] Hazard pointers for the kernel
The kernel's read-copy-update (RCU) subsystem ensures that data will not be deleted until it is known that there are no threads holding references to it. RCU works well and is wid [...]
https://lwn.net/Articles/1084015/ #LWN #Linux #kernel
More stable kernels with partial Dirty Frag fixes
GCC 16.1 released
killswitch for short-term emergency vulnerability mitigation
Comprehensive Response to Bambu's AGPLv3 Violations (Software Freedom Conservancy)
[$] Dirk and Linus discuss AI and kernel development
Linus Torvalds does not enjoy giving talks, but he does consent to the occasional on-stage conversation with Dirk Hohndel at Linux Foundation events. The pair held the 30th of thei [...]
https://lwn.net/Articles/1073761/ #LWN #Linux #kernel #Git #OSS
[$] Restartable sequences, TCMalloc, and Hyrum's Law
Hyrum's Law states that any observable behavior of a system will eventually be depended upon by somebody. The kernel community is currently contending with a clear demonstration o [...]
https://lwn.net/Articles/1070072/ #LWN #Linux #kernel #glibc #BPF
Replying to
@aho@ioc.exchange @tomasv@fosstodon.org This is the article, "The 7.0 scheduler regression that wasn't".
The tl;dr was that the "regression" happened on a system running PostgreSQL with huge pages disabled. Once the reporter enabled them, the problem disappeared.
https://lwn.net/Articles/1067029/
Eden: NHS goes to war against open source
Four stable kernels with partial fixes for Dirty Frag
NetHack 5.0.0 released
[$] MOT: a tool to fight openwashing in AI
Many large language models (LLMs) are described as open source, but if one looks a bit deeper it turns out that is not actually so; the model may be free to download, it may be "op [...]
Arias: Human proof for FOSS contributions
[$] LLM-driven security reports disrupt coordinated disclosure
Predictions that LLM tools would cause a surge in reports of security vulnerabilities have, unquestionably, borne out. As expected, maintainers are having to wade through more secu [...]
https://lwn.net/Articles/1070698/ #LWN #Linux #security #Debian #SUSE #RedHat #Gentoo #Python #Git
[$] Hardware-assisted Arm VMs for s390
A recent patch set from Steffen Eiden and others has set the groundwork for allowing hardware-assisted emulation of Arm CPUs on s390 CPUs. Version two of the posting fixes a hand [...]
https://lwn.net/Articles/1069954/ #LWN #Linux #kernel #ArchLinux #BPF
The retirement of the PHP license
Stenberg: The pressure
Alpine Linux systems currently offline
[$] Bug-monitoring expectations and Fedora GNOME packages
For a number of years, users submitting bugs reports against GNOME packages in Fedora have received an auto-reply saying that the reports were not actively monitored; users were en [...]
[$] Version-controlled databases using Prolly trees
Modern database and filesystems make pervasive use of B-trees, which are tree structures optimized for storing sorted lists of keys and values on block devices. Dolt is an Apache [...]
https://lwn.net/Articles/1068864/ #LWN #Linux #Python #Git #PostgreSQL #PostgreSQL
[$] Further progress toward removing the page map count
The mapcount field was created to track the number of mappings (page-table entries) that refer to the given page. Among other things, a mapcount of zero means that the page has no [...]
[$] Better automatic management of transparent huge pages
Huge pages can improve performance by increasing translation lookaside buffer (TLB) utilization and reducing memory-management overhead. Transparent huge pages (THPs) are supposed [...]
[$] Reviewing kernel patches with LLMs
In a plenary session at the 2026 Linux Storage, Filesystem, Memory Management, and BPF Summit, the state of patch review using large language models (LLMs) was discussed. It is a [...]
https://lwn.net/Articles/1073583/ #LWN #Linux #kernel #Rust #Git #systemd #BPF
Security updates for Monday
Security updates for Wednesday
Incus 7.0 LTS released
[$] LWN.net Weekly Edition for April 30, 2026
The LWN.net Weekly Edition for April 30, 2026 is available.
Interview session with Jonathan Corbet
Security updates for Tuesday
[$] LWN.net Weekly Edition for May 28, 2026
The LWN.net Weekly Edition for May 28, 2026 is available.
Security updates for Monday
Seven new stable kernels for Thursday
IBM's "Project Lightwell"
Security updates for Friday
Security updates for Wednesday
Security updates for Thursday
Security updates for Thursday
Security updates for Tuesday
Kernel prepatch 7.1-rc2