| Date | Wed, 22 Apr 2020 13:27:35 +0200 | From | Peter Zijlstra <> | Subject | [PATCH 16/23] sched,watchdog: Convert to sched_set_fifo() |
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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: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Ingo Molnar <mingo@kernel.org> --- drivers/watchdog/watchdog_dev.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/watchdog/watchdog_dev.c +++ b/drivers/watchdog/watchdog_dev.c @@ -1144,14 +1144,13 @@ void watchdog_dev_unregister(struct watc 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, ¶m); + sched_set_fifo(watchdog_kworker->task); err = class_register(&watchdog_class); if (err < 0) {
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