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Linux Kernel developer and maintainer
#standwithukraine 🇵🇱 🇪🇺 🇺🇦 🇨🇭
IRC: krzk
Kernel work related account. Other accounts of mine: @krzk@mastodon.social
krzk

Krzysztof Kozlowski

Since few years I have been regularly speaking on each major Linux Open Source conference, so I could not miss Open Source Summit Europe in Amsterdam. I gave two talks and held speaker office hours for some more questions. I met many old friends and put face to the name known from online interactions in upstream community. It was to nice to hear that my talks are actually useful. :)

Event was very successful and intensive, so now well deserved rest... and looking forward to Japan in December, where I am planning to attend the main Linux conference (LPC 2025)!

P.S. "regularly speaking" except this year's Open Source Summit in USA, but that for obvious reasons - screw you Trump&Vance. I am not going to your little craphole.
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Krzysztof Kozlowski

Reply to @brauner@mastodon.social
@brauner Reminds me AMD - Acked-by + 3x SoB + Tested-by for bump in a version string in header.
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Krzysztof Kozlowski

Not only new Linux kernel releases count! Look at LWN summary of v4.19-stable life and how many fixes that kernel received:
https://lwn.net/Articles/1000933/

Appearing on top-bugfix contributors list for v4.19.x series is a pleasant reminder that my contributions might actually help some real users on real products.
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Krzysztof Kozlowski

Edited 9 months ago
Last year, for each of six Linux kernel releases - v6.7, v6.8 ... v6.12 - I was topping the list of most active contributors. This consistency led to a more interesting stat: I am one of the most active Linux kernel contributors for this period (and I don't count Kent here as he just dropped stuff out of tree... and then developed things to his own tree without review or mailing list collaboration) with 1339 commits upstream.

I am however more proud of another impact I made: I am one of the most active reviewers of the last one year of Linux kernel development. Reviewing takes a lot of time, a lot of iterations, a lot of patience, a lot of template answers and results with only "some" of reviewed-by credit going to Linux kernel git history. Yet here I am: ~1000 reviewed-by credits for last year v6.7 - v6.12 Linux kernel.

Source, LWN.net:
https://lwn.net/SubscriberLink/997959/377cf2f076306247/
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Krzysztof Kozlowski

Bartosz Golaszewski from Linaro describing new Power Sequencing subsystem in Linux kernel.
Linux Plumbers Conference 2024 #LinuxPlumbers2024 #lpc2024 #linux
https://lpc.events/event/18/contributions/1908/
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Krzysztof Kozlowski

Manivannan Sadhasivam leading discussion on PCI Endpoint open items: virtio, QEMU and more. Linux Plumbers Conference 2024 #LinuxPlumbers2024 #lpc2024 #linux
https://lpc.events/event/18/contributions/1683/
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Krzysztof Kozlowski

That's an interesting session: @cas explaining current status of upstream U-Boot on Qualcomm robotic platforms - using mainline kernel DTS and getting to SystemReady IR.
Slides: https://calebs.dev/u-boot24.pdf
https://www.kitefor.events/events/linaro-connect-24/submissions/183
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Krzysztof Kozlowski

Edited 1 year ago
@abelvesa explaining the hacking setup used during his bringing up of the Qualcomm X Elite compute platform in Linaro:
https://www.kitefor.events/events/linaro-connect-24/submissions/182
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Krzysztof Kozlowski

About current EU and Polish farmer protests, let's digest this meme. Left pic is from Poland, where Polish farmers protest with Soviet Union flag and banner saying:
"Puting clean up mess with Ukraine, Brussels and our government."

Right picture is from Ukraine (quite old btw)...
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Krzysztof Kozlowski

Edited 1 year ago
Some weeks ago people got scammed on Booking.com with "confirmation of payment method" or whatever they called it. Booking.com systems allowed scammers to send to customers messages about need to pay again. Second time. Booking.com denies.

So here it is: Booking.com still is not secure and scammers are active. Message I just got:
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krzk

Krzysztof Kozlowski

Finally, after moving to new home, I have time to reorganize my board farm. I was thinking about big rack cabinet, but changed my mind. I want art. Art on the wall.
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Krzysztof Kozlowski

Edited 2 years ago
First Linux Kernel beer in Zurich organized with @Andi was a success - many beers were drunk. :) Stay in touch for more events!
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Krzysztof Kozlowski

Edited 2 years ago
Trying to sell something on Facebook marketplace: 99% of interested people are scammers. I found a pervert joy in playing with them, requiring rather small effort from my side and ending in some amusement. This one gave up just after two days off wasting his time.
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krzk

Krzysztof Kozlowski

Edited 2 years ago
10% of commits in Linux kernel v6.4 came from Linaro engineers. It is a nice result for such a small group of kernel engineers.
https://www.linaro.org/blog/linaro-contributions-to-the-6-4-linux-kernel-release/
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Krzysztof Kozlowski

Edited 2 years ago
Room full of people - I certainly didn't expect such big audience. #eoss2023 #elce2023 #EmbeddedOSSummit
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Krzysztof Kozlowski

I love it. And think how many other equations and laws of physics can be improved with adding AI. Ohm's law? Dude, please, I = (V + AI) / R. Newton's second law? Easy peasy, F = m * a * AI. Maxwell equations - don't get me even started...
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Krzysztof Kozlowski

Reply to @krzk
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Krzysztof Kozlowski

They have taken me by surprise. If I knew, I would put a bit different t-shirt on me.
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