Commit 94beddac authored by Peter Zijlstra's avatar Peter Zijlstra

sched,watchdog: 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 changes prio from 99 to 50.

Cc: wim@linux-watchdog.org
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: default avatarIngo Molnar <mingo@kernel.org>
parent 28d2f209
......@@ -1144,14 +1144,13 @@ void watchdog_dev_unregister(struct watchdog_device *wdd)
int __init watchdog_dev_init(void)
{
int err;
struct sched_param param = {.sched_priority = MAX_RT_PRIO - 1,};
watchdog_kworker = kthread_create_worker(0, "watchdogd");
if (IS_ERR(watchdog_kworker)) {
pr_err("Failed to create watchdog kworker\n");
return PTR_ERR(watchdog_kworker);
}
sched_setscheduler(watchdog_kworker->task, SCHED_FIFO, &param);
sched_set_fifo(watchdog_kworker->task);
err = class_register(&watchdog_class);
if (err < 0) {
......
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