The following commit has been merged into the sched/fifo branch of tip: Commit-ID: 94beddacb53cddb78baab6b4597195bb766d70b0 Gitweb: https://git.kernel.org/tip/94beddacb53cddb78baab6b4597195bb766d70b0 Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx> AuthorDate: Tue, 21 Apr 2020 12:09:13 +02:00 Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx> CommitterDate: Mon, 15 Jun 2020 14:10:24 +02:00 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@xxxxxxxxxxxxxxxxxx Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Reviewed-by: Ingo Molnar <mingo@xxxxxxxxxx> --- drivers/watchdog/watchdog_dev.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c index 7e4cd34..b9dc2c3 100644 --- a/drivers/watchdog/watchdog_dev.c +++ b/drivers/watchdog/watchdog_dev.c @@ -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, ¶m); + sched_set_fifo(watchdog_kworker->task); err = class_register(&watchdog_class); if (err < 0) {
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