Comment by xoranth

Sounds a bit like Google's proposal for a `switchto_switch` syscall [1] that would allow for cooperative multithreading bypassing the scheduler.

(the descendants of that proposal is `sched_ext`, so maybe it is possible to implement doors in eBPF + sched_ext?)

[1]: https://youtu.be/KXuZi9aeGTw?t=900