The following commit has been merged into the sched/fifo branch of tip: Commit-ID: 2cca5426b9c108998bc03230cd6ae440f3e205ed Gitweb: https://git.kernel.org/tip/2cca5426b9c108998bc03230cd6ae440f3e205ed 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 14:10:25 +02:00 sched,psi: Convert to sched_set_fifo_low() 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. Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Reviewed-by: Ingo Molnar <mingo@xxxxxxxxxx> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx> --- kernel/sched/psi.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c index e53b711..967732c 100644 --- a/kernel/sched/psi.c +++ b/kernel/sched/psi.c @@ -616,11 +616,8 @@ out: static int psi_poll_worker(void *data) { struct psi_group *group = (struct psi_group *)data; - struct sched_param param = { - .sched_priority = 1, - }; - sched_setscheduler_nocheck(current, SCHED_FIFO, ¶m); + sched_set_fifo_low(current); while (true) { wait_event_interruptible(group->poll_wait,
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