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authorHuang Shijie <[email protected]>2024-10-01 14:54:51 +0800
committerPeter Zijlstra <[email protected]>2024-10-07 09:28:40 +0200
commite31488c9df27aaea2cdffba688129fdeb3869650 (patch)
tree2a18871bd1f011bd405cac71fabe2e7b7998ff3b
parent5e9f0c4819deb9459f32f12c4fd2b47993b8c395 (diff)
sched/fair: remove the DOUBLE_TICK feature
The patch "5e963f2bd46 sched/fair: Commit to EEVDF" removed the code following the DOUBLE_TICK: - - if (!sched_feat(EEVDF) && cfs_rq->nr_running > 1) - check_preempt_tick(cfs_rq, curr); The DOUBLE_TICK feature becomes dead code now, so remove it. Signed-off-by: Huang Shijie <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Reviewed-by: "Christoph Lameter (Ampere)" <[email protected]> Reviewed-by: Vishal Chourasia <[email protected]> Link: https://lore.kernel.org/r/[email protected]
-rw-r--r--kernel/sched/fair.c6
-rw-r--r--kernel/sched/features.h1
2 files changed, 0 insertions, 7 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 225b31aaee55..c9e3b8d2a85f 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5680,12 +5680,6 @@ entity_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr, int queued)
resched_curr(rq_of(cfs_rq));
return;
}
- /*
- * don't let the period tick interfere with the hrtick preemption
- */
- if (!sched_feat(DOUBLE_TICK) &&
- hrtimer_active(&rq_of(cfs_rq)->hrtick_timer))
- return;
#endif
}
diff --git a/kernel/sched/features.h b/kernel/sched/features.h
index 290874079f60..7c22b33fb9d3 100644
--- a/kernel/sched/features.h
+++ b/kernel/sched/features.h
@@ -56,7 +56,6 @@ SCHED_FEAT(WAKEUP_PREEMPTION, true)
SCHED_FEAT(HRTICK, false)
SCHED_FEAT(HRTICK_DL, false)
-SCHED_FEAT(DOUBLE_TICK, false)
/*
* Decrement CPU capacity based on time not spent running tasks