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SCX: Synchronize boot CPU's online state with SCX_RQ_ONLINE #214

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May 28, 2024
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SCX: Synchronize boot CPU's online state with SCX_RQ_ONLINE #214

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3 changes: 3 additions & 0 deletions kernel/sched/ext.c
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Original file line number Diff line number Diff line change
Expand Up @@ -5741,6 +5741,9 @@ void __init init_sched_ext_class(void)
BUG_ON(!zalloc_cpumask_var(&rq->scx.cpus_to_preempt, GFP_KERNEL));
BUG_ON(!zalloc_cpumask_var(&rq->scx.cpus_to_wait, GFP_KERNEL));
init_irq_work(&rq->scx.kick_cpus_irq_work, kick_cpus_irq_workfn);

if (cpu_online(cpu))
cpu_rq(cpu)->scx.flags |= SCX_RQ_ONLINE;
}

register_sysrq_key('S', &sysrq_sched_ext_reset_op);
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