configurable cpumask for kthreads #14
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adeebshihadeh
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geohot
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Jul 6, 2021
| * The kernel thread should not inherit these properties. | ||
| */ | ||
| sched_setscheduler_nocheck(task, SCHED_NORMAL, ¶m); | ||
| set_cpus_allowed_ptr(task, cpu_all_mask); |
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Why are both of these lines still here? Isn't there one line where they can be scheduled anywhere?
geohot
reviewed
Jul 6, 2021
| /* Setup a clean context for our children to inherit. */ | ||
| set_task_comm(tsk, "kthreadd"); | ||
| ignore_signals(tsk); | ||
| set_cpus_allowed_ptr(tsk, cpu_all_mask); |
geohot
reviewed
Jul 6, 2021
| init start on certain processors and also to | ||
| control where kmod and other user space threads | ||
| are being spawned. Allows to keep kernel threads | ||
| away from certain cores unless absoluteluy necessary. |
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