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Topic: Welcome to #linux ! | Channel Rules: https://wiki.rizon.net/index.php?title=Linux | Ask your question(s) and be patient as it is different time(s) around the globe | NUchat IRC client: https://github.com/lord3nd3r/NUchat

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Filtering by user: mlu

Saturday, April 18, 2026

[17:54:27] + mlu de-facto: it's not practical to do a VM without "hardware extensions" -- thankfully, those hardware extensions have been standard since ~2014 or so

[17:55:22] + mlu I think he's referring to Linux KVM

[17:55:49] + mlu it's the VM module in Linux

[18:04:53] + mlu yup

[18:06:12] + mlu the hardware extensions mostly deal with context switching / isolation so that the VM'ing can happen without rewriting memory addresses, etc.

[18:14:36] + mlu nested KVM :D

[18:16:52] + mlu things are really kneecapped if the hardware extensions aren't enabled inside the guest

[18:17:24] + mlu IIRC, without the extensions, you're looking at a ~20% overhead

[18:18:17] + mlu now the question of how to get the patched kernel in there

[18:35:13] + mlu brothchild: hmm, what happens in your simulator when stars collide?

[18:35:41] + mlu to me, the gravity waves simulation seems clean: you figure out the field and then apply the field to all the objects

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