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ZDNET’s key takeaways
- Linus has no real interest in supporting out of date {hardware} or software program.
- Whereas Rust is necessary, it is no panacea for dangerous programming logic.
- Linux builders have adopted AI instruments for upkeep work.
MUMBAI — At Open Source Summit India 2026, Linux creator Linus Torvalds and his good friend Dirk Hohndel mentioned the present state of Linux and the place it is headed.
Linux 7.1: Gradual and regular, not splashy
The dialog opened with Hohndel asking about what Torvalds thought in regards to the Linux 7.1 release. Torvalds mentioned he would not suppose by way of blockbuster releases: “For me, the spotlight has been that it has been a really regular development of continued enhancements.” He careworn that since they created the Git version control system, “We do not do releases which have large new splashy options, and I truly actively attempt to keep away from that form of mannequin; we wish to have this type of incremental enchancment and regular progress on a regular basis.”
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AI is, nonetheless, pressuring this workflow. “It has been getting a bit tougher these days due to AI discovering attention-grabbing bugs, and that has wired folks in the neighborhood,” Torvalds added, even because the kernel continues its “regular launch schedule” each 9 to 10 weeks.
Merge home windows, fixes, and persona bugs
Torvalds described his work sample throughout kernel merge home windows: “Over two weeks, I do roughly 200 merges. That is a really tough ballpark quantity.”
Even with a long time of belief in maintainers, he pushes again on final‑minute modifications: “If it isn’t a very necessary repair, please queue it for the following launch as an alternative of sending me last-minute fixes,” as a result of “fixes… is probably not definitely worth the slight likelihood that it causes a brand new drawback.”
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The technical load would not hassle him as a lot as human points: “New code is a technical drawback… we will repair these… What tends to emphasize me out is that often we’ve got persona points, and belief me, code is straightforward to repair. Character is just not all the time as simple to repair.” Torvalds admits he is brought about a few of these issues himself, though he’s worked on that.
‘I am not a programmer, I am a growth lead’
This is one other factor that is modified: Torvalds not sees himself as a programmer. “Let’s be fully sincere. I hardly learn code in any respect anymore. I am not a programmer, I am a growth lead.”
He nonetheless writes small patches, however they’re extra steerage than authority: “I nonetheless write code within the sense that I ship folks patches… however then I make it very clear that, hey, it is a suggestion. That is untested… I anticipate the maintainers of the code to be those who then ship me the repair again. So I very seldom commit my very own code anymore.”
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What issues most to him is knowing intent: “After I do a pull request, I wish to perceive the larger image. It is one of many causes I ask for pull requests with excellent explanations: I’ll learn them. I wish to perceive what is going on on.”
He mentioned he dives into code primarily when one thing forces his consideration, like construct breaks or merge conflicts: “I’ve carried out so many battle resolutions over time that I might in all probability do them in my sleep… Very often at that time, once I take a look at the code, I generally discover points.”
NTFS and cleansing out the museum items
On the long-troublesome Microsoft NTFS subsystem, Torvalds joked that “NTFS has been form of an issue baby over time, the place discovering folks to take care of it has generally been problematic.”
He continued, “Now we have two completely different teams sustaining two completely different variations of NTFS, and each of them work, and I am simply letting them combat it out and see which one comes on prime, or possibly, possibly each will keep round for a very long time.”
“I am not very sentimental on the subject of know-how,” Torvalds added. “We’re barely extra energetic in attempting to drop assist for {hardware} that actually no person makes use of anymore, besides in museum environments.”
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Whereas he is “a agency believer in sustaining {hardware} assist so long as we’ve got customers,” he argued that “at a sure level, the price of sustaining assist for outdated {hardware} simply turns into an excessive amount of of a burden,” pointing to the choice that “in 7.2 we’ll not assist the machines that didn’t have {hardware} floating level on x86,” such because the 486 SX launched “actually over 30 years in the past.”
That is a part of a broader effort to take away out of date code from Linux. For instance, assist for networking requirements similar to ISDN and ATM is being discontinued. Nevertheless, if you happen to nonetheless use older tech — there’s probably somebody nonetheless operating Linux on a 386 someplace — you possibly can nonetheless achieve this with older kernels.
Git, C, Rust, and ‘hack and slash’
As to how he does his work, Torvalds mentioned merely: “Git and e-mail are the 2 actually solely instruments I exploit. I exploit Google as a technique to look issues up.” He added, “I am uncommon; many of the different maintainers find yourself utilizing many extra instruments, and I feel plenty of them are beginning to use AI instruments for patch checking,” whereas he “works at the next stage. I work with folks, not instruments.”
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When requested about Rust each in Git and the kernel, he pushed again in opposition to hype: “I am undecided Rust goes to take over the world. I nonetheless suppose Rust could be very attention-grabbing, [but] I nonetheless discover C to be a a lot less complicated software.”
Torvalds continued, “I am way more enthusiastic about all of the instruments we’ve got for verification of C,” together with “automated patch verification instruments” and “automated e-mail checking instruments for patches like Sashiko.”
Summing up, Torvalds informed the Mumbai viewers: “I am extra of a hack-and-slash form of individual, and I nonetheless just like the uncooked and easy energy of C, and I do not suppose that is going to vary.”
Rust will not prevent from logic bugs
Torvalds additionally warned in opposition to overestimating Rust’s advantages: “Rust fixes a couple of simple bugs that you would be able to make in C, however it doesn’t repair the logic errors, proper? It doesn’t suppose for you, and once you write incorrect code, the language doesn’t matter. The top consequence will likely be incorrect.”
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On blended C/Rust code bases, he identified that ensures are restricted: “The ensures that Rust provide you with solely apply within the Rust-only elements of your code base, and wherever you work together with C code, all bets are off,” with most Rust code in Linux speaking to “core kernel C code” that’s “significantly better high quality… as a result of that code has been examined in each single atmosphere.”
He added that “a few of our large and extra high-profile bugs within the kernel these days have been logic errors… It was simply dangerous programming, which sadly occurs even in fastidiously maintained subsystems and necessary kernels which are imagined to be very safe.”
AI, LLMs, and ‘junk’ versus actual bugs
Lastly, after 26 minutes with out speaking about AI and LLMs, Hohndel and Torvals dove in. For starters, Torvalds revised his current feedback about giant language fashions (LLMs), stressing that his “10x” figure for LLM productivity was “not scientific… that was pulled out of my ass quantity, clearly.”
At present, he continued, “we’re on the level the place hopefully it creates extra productiveness than it takes away,” however “we actually noticed extra junk being generated by LLMs than we noticed helpful code up till the like early this yr.” A serious ache level was bogus stories. “You get these bug stories that look fully legitimate, and it truly can take numerous effort to determine that was simply hallucination, and it may truly be an enormous drain on sources when it takes people plenty of effort to determine that, hey, this machine-generated report was not true.”
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Even now, he mentioned, “many of the good ones require extra than simply the LLM,” as a result of “we have needed to push again fairly a bit… if you happen to discover a bug with an LLM, it isn’t sufficient to simply ask the LLM to make a bug report after which throw it over the fence to us. We wish to see a steered patch; we wish to see the human who ran the LLM act as a form of back-and-forth.”
Torvalds described many AI-generated patches as “senseless band-aid form of patches… they might repair the quick drawback, however the form of bug stays, and it simply is ready within the hallway to hit you in one other place.”
For his personal toy projects, he uses LLMs as prototypers: “I exploit them as a technique to prototype issues… very often the code is just not usable in that type, however it’s an effective way to attempt one thing out,” whereas insisting that for kernel‑stage fixes, “LLMs, in my expertise, haven’t been at that stage but.”
Embarrassing bugs and never capturing the messenger
Torvalds acknowledged that some AI‑discovered points have been “completely, stunningly, I imply, attention-grabbing in a painful form of approach,” particularly safety issues that “present up within the know-how press two days later.”
Regardless of the embarrassment, he mentioned, “I am very a lot not a shoot-the-messenger form of individual. I feel we’re significantly better off with LLMs discovering bugs, even when they’re embarrassing, and they’re issues that we should always in all probability have discovered 20 years in the past.”
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In current months, he added, “we have had LLM level out a number of bugs that had been all associated,” as completely different folks iterated on the identical areas of the kernel, and “that is why we had three or 4 very intently associated bugs that turned large information inside a few weeks.”
Godzilla, India, and ‘toy tasks’
Torvalds closed on a lighter observe, saying he makes use of AI “for my very own toy tasks,” together with household images: “Each time I journey to some new place, and that is the primary time I have been to India, I ship the youngsters photos of the place I’m, and for some unusual purpose, Godzilla appears to observe me round and will get added to these photos.”
He concluded, “There are various helpful and fewer helpful makes use of for AI,” and “I feel Godzilla is a good place to cease.”
