The Linux Plumbers Conference blog has <a href="https://lpc.events/blog/current/index.php/2026/10/28/the-sched_exit-microconference/">a report</a> from the sched_ext microconference held in Prague. <p> <blockquote class="bq"> Three main topics dominated the discussions <ul class="spacylist"> <li> <b>Priority inversion and how to handle it in sched_ext</b>: lock holder and lock waiter preemption, time slice extension, and making proxy execution work together with BPF schedulers.</li> <li> <b>Paravirtualized scheduling</b>: letting the host and guest schedulers cooperate across the VM boundary, with sched_ext as the policy engine on the host.</li> <li> <b>Device and topology-aware scheduling</b>: using hardware feedback (Intel HFI), device/accelerator locality and cache topology to drive task placement.</li> </ul> </blockquote>
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