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| author | Peter Zijlstra <peterz@infradead.org> | 2020-04-21 12:09:13 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-06-15 14:10:24 +0200 |
| commit | 7a40798c714ff462863352d490b382515daba49e (patch) | |
| tree | 06b3b98beb1f099911100ae6f61c6880b1c0721c /kernel | |
| parent | sched,watchdog: Convert to sched_set_fifo() (diff) | |
| download | linux-7a40798c714ff462863352d490b382515daba49e.tar.xz linux-7a40798c714ff462863352d490b382515daba49e.zip | |
sched,irq: Convert to sched_set_fifo()
Because SCHED_FIFO is a broken scheduler model (see previous patches)
take away the priority field, the kernel can't possibly make an
informed decision.
Effectively no change.
Cc: tglx@linutronix.de
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/manage.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 761911168438..06b62746e1df 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1271,9 +1271,6 @@ static int setup_irq_thread(struct irqaction *new, unsigned int irq, bool secondary) { struct task_struct *t; - struct sched_param param = { - .sched_priority = MAX_USER_RT_PRIO/2, - }; if (!secondary) { t = kthread_create(irq_thread, new, "irq/%d-%s", irq, @@ -1281,13 +1278,12 @@ setup_irq_thread(struct irqaction *new, unsigned int irq, bool secondary) } else { t = kthread_create(irq_thread, new, "irq/%d-s-%s", irq, new->name); - param.sched_priority -= 1; } if (IS_ERR(t)) return PTR_ERR(t); - sched_setscheduler_nocheck(t, SCHED_FIFO, ¶m); + sched_set_fifo(t); /* * We keep the reference to the task struct even if |