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A comment on The Linux realtime preemption endgame is near. Parent comment

Re:The Linux realtime preemption endgame is near by dontlaugh on Friday November 17, 2023 @07:53AM (#38302825)
I also don't see how we could transition to a microkernel, indeed.
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Re:The Linux realtime preemption endgame is near by naasking on Friday November 17, 2023 @10:55AM (#38305276)
The very first "hypervisors" were actually microkernels that ran Linux as a guest. This was done with Mach on PowerPC/Mac systems, and also the L4 microkernel. That's one way.

The only downside of course, is that you don't get the isolation benefits of the microkernel for anything depending on the Linux kernel process.

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