• [$] Sched-ext: enqueue() for sub-schedulers and proxy-execution support

    From LWN.net@86:200/23 to All on Fri Jul 17 06:40:08 2026
    The extensible
    scheduler class (sched_ext) allows the installation of custom CPU
    schedulers as a set of BPF programs. While sched_ext, in its current form,
    has already led to a lot of interesting scheduler-development work, the subsystem itself is still undergoing rapid evolution. Among other work,
    the ability to set up a hierarchy of sub-schedulers is approaching completion, and
    a longstanding incompatibility with proxy
    execution is coming to an end.

    https://lwn.net/Articles/1082717/
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