Posts
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Following
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Followers
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Linux Kernel security developer, working for Microsoft. Also W7TXT. Views are my own.
Topics: #Linux #kernel #security, #amateurradio, #RF, #hamradio, #electronics, #science, #radioastronomy, #physics, #space, #arduino.

📡 https://w7txt.net/
🐧 https://blog.namei.org/
☠️ https://www.facebook.com/w7txt
jmorris

James Morris

Anyone following the Artemis II project? Humans are going back to the moon. You can watch live here right now. The launch is a week or so away, so don't expect too much yet.

https://www.youtube.com/watch?v=xCrPD7tfcr0
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jmorris
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paulmckrcu

Paul E. McKenney

And my Kernel Recipes talk is now available: https://youtu.be/qYPCL1KGdQA

A big "Thank you!" to everyone involved!
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jmorris
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brauner@mastodon.social

Christian Brauner 🦊🐺

The hosts two brand new specifications at https://uapi-group.org/specifications

The VMClock specification comes from Amazon AWS and defines an efficient guest clock synchronization mechanism:
https://uapi-group.org/specifications/specs/vmclock/

The VMGenID specification defines a notification mechanism whenever a VM is cloned/copied so userspace and kernel can take appropriate action (e.g., changing machine ID or updating random seeds):
https://uapi-group.org/specifications/specs/vmgenid/

The is very happy to serve as a home for these specs.

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jmorris

James Morris

Reply to @palmer
@palmer @etchedpixels nobody really knows
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jmorris

James Morris

Reply to @corbet
@corbet @lwn I ended up disabling the selinuxproject.org wiki & redirecting it to the github repo. That was after a bunch of anti-crawler stuff was enabled. It's too much to meaningfully keep up with as a hobbyist.
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jmorris
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robpike@hachyderm.io

rob pike

Implementing transcendental functions in Ivy

https://commandcenter.blogspot.com/2026/01/implementing-transcendental-functions.html

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jmorris

James Morris

@etchedpixels the technical arguments re. behind the meter efficiency are surprising to me. They mention an attached report but I didn't see it. In any case, they say the power demand drops 1% for 1% voltage, which seems to point at efficiency of appliances which convert voltages down. Fix those instead? I also wonder if they've looked at the impact of increasing the max current draw for the same power, increases in copper losses and increased risk of fire via house wiring & switches.

RE: https://mastodon.social/@etchedpixels/115963032961281362
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jmorris

James Morris

Reply to @snow@cofe.rocks
@snow modern modern problems & modern solutions dot gif
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jmorris

James Morris

Reply to
@HopelessDemigod the work is mysterious and important.
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jmorris

James Morris

@azonenberg Looks like a Sherline mill.

RE: https://ioc.exchange/@azonenberg/115962847027721998
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jmorris

James Morris

Spent an eternity today retuning a 10-pole cavity filter. Started to feel like I was in an episode of Severance, manipulating patterns by intuition on 80s tech.
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brauner@mastodon.social

Christian Brauner 🦊🐺

I just sent out the CfP for LSF/MM/BPF 2026 in Zagreb, Croatia:

https://lore.kernel.org/20260110-lsfmm-2026-cfp-ae970765d60e@brauner

This year's committee is:

Javier González (Storage)
Martin K. Petersen (Storage)
Christian Brauner (Filesystems)
Amir Goldstein (Filesystems)
Jan Kara (Filesystems)
Vlastimil Babka (MM)
Matthew Wilcox (MM)
Daniel Borkmann (BPF)
Martin KaFai Lau (BPF)

Send us your proposals!

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jmorris

James Morris

What happened to nanofarads?
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jmorris

James Morris

Reply to @Em0nM4stodon@infosec.exchange
@Em0nM4stodon what is happening at bsky?
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jmorris

James Morris

Furiously (not really) building an S-Band receiver for the Artemis II mission.
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jmorris

James Morris

Doh. Just discovered the 'up' alias for upgrade in dnf. I have wasted so many keystrokes.
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jmorris

James Morris

@andrewbriscoe ♥️ PNW

RE: https://mastodon.social/@andrewbriscoe/115911203456338739
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jmorris
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LinuxSecSummit

Linux Security Summit 🐧

▶️ The CfP is now open, until March 15th:

🐧 https://sessionize.com/linux-security-summit-north-america-2026

RE: https://social.kernel.org/objects/3c52571b-e7fe-4e79-be5f-20b9485e2540
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brauner@mastodon.social

Christian Brauner 🦊🐺

RE: https://mastodon.social/@brauner/115871045863565861

Be sure to request an invite to 2026 in Zagreb, Croatia!

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jmorris

James Morris

Reply to @corbet
@corbet Wow. Google News would be where without Linux?
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