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Linux Kernel developer and maintainer
#standwithukraine ๐Ÿ‡ต๐Ÿ‡ฑ ๐Ÿ‡ช๐Ÿ‡บ ๐Ÿ‡บ๐Ÿ‡ฆ ๐Ÿ‡จ๐Ÿ‡ญ
IRC: krzk
Kernel work related account. Other accounts of mine: @krzk@mastodon.social
GitHub: https://github.com/krzk/
Traveling Instagram / Wanderquak: https://www.instagram.com/wanderquak/
Home brewery: https://brewalot.ch
Our gardening (and worm farm!): https://growalot.ch

Krzysztof Kozlowski

Review on mailing list:

Copyright (C) 2026 Variscite Ltd. AI bot review and may be useless.

Copyright year is 2026, which is in the future. Should be 2024 or current year.

Great, now everyone will get to read useless AI agent reviews.

https://lore.kernel.org/all/20260303210131.2966214-8-Frank.Li@nxp.com/

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Krzysztof Kozlowski

Every Google Maps review score in Germany is fake. Believe me.

Well, it does not have to be truly fake, but because of lack of negative reviews, what you have is score built only on positive experiences + advertisements.

Two of my honest, not defaming, describing real experience, negative (1-star and 2-star) reviews of two places in Munich from some visit in 2023 got removed by "defamation" process. It's the process where you as customer can do nothing, your review will be gone and Google will completely ignore your appeals.

I can assume that many or even most of negative reviews older than 2 years will be just removed by Google using this German defamation process, leaving only positive ones.

In the same time these places have many 5-star review written by agencies, posting similar AI-generated ludicrously exaggerated poetry, which obviously no one will ever drop, because they are not a defamation.

So please remember - Google Maps in Germany is full of crap reviews.
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If you're a swiss resident ( or know one ... ) you can get a custom hardware design onto an ASIC for FREE !!!

You get back one chip with your design (and a bunch of others!) and some board to help bring up/testing.

Also, this is "resident", no need to be a student or at uni or anything, you just need a valid Swiss address ...

I know I might be repeating myself here because I mentioned it a few month back but this bear repeating IMHO.

https://swisschips.ethz.ch/news-and-events/tiny-tapeout-submission-form.html

PS: Can I haz boost for reach ?

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Krzysztof Kozlowski

Edited 10 days ago
I just got spam email from PyTorch Foundation / Linux Foundation to my email address used purely in Linux kernel sources and LKML. Email not passed to anyone, not even used as reply/from ever, not used on conferences (so not scan badging) so PyTorch Foundation <pytorchevents@linuxfoundation.org> apparently just grabbed it from kernel sources or kernel mailing list to create database of users for spam mailing.

Such a disappointment @lfeurope @linuxfoundation
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Krzysztof Kozlowski

Edited 12 days ago
Brewing low alcohol beers is tricky, because without good amount of malt for the yeast the taste flattens and becomes boring, watery. If you ever tried low or non-alcohol beers form the store, you know what I am talking about. They are either water or even disgusting fakes of real beer.

Yet my newest brew on https://brewalot.ch/ - the Milkshake New England IPA - gets nice low 3.7% alcohol by volume at 11 *P, beautiful creamy foam, intense fruity smell and low hoppy bitterness with just a pinch of sweetness.

Om nom nom...
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Krzysztof Kozlowski

Edited 21 days ago
I just finished updating Ansible scripts for the new 64x core AWS instance and it is already happy building mainline Linux kernel maintainer trees!

Thanks to #Qualcomm for sponsoring the machine.
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Krzysztof Kozlowski

In case you missed the announcement:
Both - Google/Gmail and Microsoft/Outlook - probably should be considered as evil and non-cooperative email providers.

Our decentralized workflow met reality of big monopolies caring only about themselves. Basically Google and Microsoft (lack of) response is actively impacting kernel development in a negative way.

I know this post will be ignored, so how about removing Google and Microsoft @LWN Kernel Development Statistics, so they will notice the problem?
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Krzysztof Kozlowski

Who would think that removing myself from Linux kernel maintainers was such a good feeling. :)

Naaah, I'm a bit joking, just a proper thing to do instead of hoarding maintainers entry and not replying to emails.
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Krzysztof Kozlowski

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Krzysztof Kozlowski

Edited 2 months ago
"... I'll be going very, very, very fast. (...) I work for Qualcomm, I'm maintainer, taratatata..."

That's how you don't waste time of the audience during your speech. :)

Tokyo was cool, that was my third visit to Japan and second trip to Tokyo. But beside the city, time spent for Linux Plumbers Conference is as usual priceless. See you next year in Prague!

https://youtu.be/AN_3EA7gv04?si=1eBljSyw57zuzcNt&t=5
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Krzysztof Kozlowski

Edited 2 months ago
I don't want to take all the credits, but FWIW, after pointing out publicly DTBs check compliance warnings for some platforms during my OSS Japan talk, two platforms/archs already received patches to fix several warnings (Loongarch and Aspeed).

It seems I will need to keep repeating this talk :)

https://sched.co/29Foi
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Krzysztof Kozlowski

Many types of nodes in the Linux kernel explained by Bartosz Golaszewski from Qualcomm at OSS Summit Japan.
#OSSumit
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Krzysztof Kozlowski

If you ever wondered where do we stand in Linux kernel with DTS validation (dtbs_check) of various platforms, which architectures are fully compliant and where we see nice progress, please join my session on 9th of December in Tokyo during Open Source Summit Japan 2025: Status of DTS Validation in Linux Kernel
https://sched.co/29Foi

I will also have a shortened version at the Linux Plumbers Conference, just a few days after.

#OSSummit #OSSJapan2025 #LinuxPlumbers
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This is not a peace plan. It is a proposal that weakens Ukraine and divides America from Europe, preparing the way for a larger war in the future. In the meantime, it benefits unnamed Russian and American investors, at the expense of everyone else.
https://www.theatlantic.com/ideas/2025/11/trumps-war-peace/685024/?gift=hVZeG3M9DnxL4CekrWGK3x5H8-x30wTOq6lDtv0xjW4&utm_source=copy-link&utm_medium=social&utm_campaign=share

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Krzysztof Kozlowski

$ git describe 
v6.18-rc3
$ git shortlog -s -n --no-merges

Oh! 5th place!

Donโ€™t stop me now

Iโ€™m having such a good time

Iโ€™m having a ball

Donโ€™t stop me now

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Krzysztof Kozlowski

Edited 25 days ago
SoC maintainership in the Linux kernel (long time ago called arm-soc) is growing into a group of maintainers. Four new people joined @arnd for SoC: Alexandre Belloni, Linus Walleij and me (yay!) as co-maintainers, and @fustini as a reviewer:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b2a578f3127ab9ef80114cef9b20a2b42a8ee77a

Arnd, previously the sole SoC maintainer, handled pull requests and patches from several other sub-maintainers for each SoC sub-architecture (e.g. Qualcomm, NXP) and other driver trees. The SoC tree was one of the busiest, if not the busiest, trees in kernel - visible on @LWN graph: https://lwn.net/Articles/981742/

With this change the load will hopefully spread.
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Thorsten Leemhuis (acct. 1/4)

Edited 4 months ago

TWIMC, the "Linus opposes Link: tags with links to the patch submission" is saga over, as Linus wrote:

""[โ€ฆ] I do think that at least if people use the different domain, I won't complain.

I'm still not convinced it's a great idea, but at least it means that the "this is the source of the commit" is clearly separate from the "this is actual background". [โ€ฆ]""

https://lore.kernel.org/all/CAHk-%3Dwj5MATvT-FR8qNpXuuBGiJdjY1kRfhtzuyBSpTKR%2B%3DVtw@mail.gmail.com/

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Not only did a permanent member of the UN security council attack a clearly marked UN humanitarian convoy with FPV Drones, they also proceed to proudly share the footage of their appalling crime on the internet.

https://news.un.org/en/story/2025/10/1166099

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Krzysztof Kozlowski

Edited 5 months ago

When a vendor wants to control upstreaming process and objects to community-led patches, Iโ€™ll just point to this brilliant response from @conor:

Itโ€™s only better if <vendor name> submits better quality patches (no evidence for that yet) or submits the patches more promptly than others (which clearly has not happened here), and offers review commentary etc at a higher standard and more frequently than a non-employee maintainer would be able to do (thereโ€™s no evidence for that so far either, given youโ€™re trying to stall this patchset). Your claim seems to have no merit as there is no proof that youโ€™d do a better job.

https://lore.kernel.org/all/20250925-jaundice-uneasy-ff8b3b595879@spud/

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Collaboration and communication are at the heart of Linux kernel development. In the second part of our series, we explore how to work effectively with the Linux kernel community.

Read more here ๐Ÿ‘‰ https://lnkd.in/eYgrqWZs

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