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| author | David S. Miller <davem@davemloft.net> | 2017-08-01 10:07:50 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-01 10:07:50 -0700 |
| commit | 29fda25a2d31098044f8dfa177c4d2834071828e (patch) | |
| tree | 9e4be11c49a4405c19ece8f81fbb1db478da1055 /kernel/sched/deadline.c | |
| parent | bb1182bc3e5956a93ab3ef8a3cbfb7966c42a94a (diff) | |
| parent | bc78d646e708dabd1744ca98744dea316f459497 (diff) | |
| download | linux-29fda25a2d31098044f8dfa177c4d2834071828e.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two minor conflicts in virtio_net driver (bug fix overlapping addition
of a helper) and MAINTAINERS (new driver edit overlapping revamp of
PHY entry).
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/sched/deadline.c')
| -rw-r--r-- | kernel/sched/deadline.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index a84299f44b5d..755bd3f1a1a9 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -1392,17 +1392,19 @@ static void enqueue_task_dl(struct rq *rq, struct task_struct *p, int flags) struct sched_dl_entity *pi_se = &p->dl; /* - * Use the scheduling parameters of the top pi-waiter - * task if we have one and its (absolute) deadline is - * smaller than our one... OTW we keep our runtime and - * deadline. + * Use the scheduling parameters of the top pi-waiter task if: + * - we have a top pi-waiter which is a SCHED_DEADLINE task AND + * - our dl_boosted is set (i.e. the pi-waiter's (absolute) deadline is + * smaller than our deadline OR we are a !SCHED_DEADLINE task getting + * boosted due to a SCHED_DEADLINE pi-waiter). + * Otherwise we keep our runtime and deadline. */ - if (pi_task && p->dl.dl_boosted && dl_prio(pi_task->normal_prio)) { + if (pi_task && dl_prio(pi_task->normal_prio) && p->dl.dl_boosted) { pi_se = &pi_task->dl; } else if (!dl_prio(p->normal_prio)) { /* * Special case in which we have a !SCHED_DEADLINE task - * that is going to be deboosted, but exceedes its + * that is going to be deboosted, but exceeds its * runtime while doing so. No point in replenishing * it, as it's going to return back to its original * scheduling class after this. |