printk: nbcon: Assign nice -20 for printing threads
It is important that console printing threads are scheduled shortly after a printk call and with generous runtime budgets. Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20240904120536.115780-17-john.ogness@linutronix.de Signed-off-by: Petr Mladek <pmladek@suse.com>
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@ -1321,6 +1321,12 @@ bool nbcon_kthread_create(struct console *con)
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con->kthread = kt;
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con->kthread = kt;
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/*
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* It is important that console printing threads are scheduled
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* shortly after a printk call and with generous runtime budgets.
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*/
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sched_set_normal(con->kthread, -20);
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return true;
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return true;
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}
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}
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@ -3555,6 +3555,12 @@ static bool legacy_kthread_create(void)
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printk_legacy_kthread = kt;
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printk_legacy_kthread = kt;
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/*
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* It is important that console printing threads are scheduled
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* shortly after a printk call and with generous runtime budgets.
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*/
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sched_set_normal(printk_legacy_kthread, -20);
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return true;
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return true;
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}
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}
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