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sched/walt_cfs: set_next_entity hierarchy

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Currently, in the simple case when replace_next_task_fair() hook picks
a task it does not call set_next_entity on the newly picked task.
Add that.

Change-Id: I77074cf9a38ce1d2b659d8845cbaae362bd33441
Signed-off-by: Abhijeet Dharmapurikar <quic_adharmap@quicinc.com>
This commit is contained in:
Abhijeet Dharmapurikar 2022-02-16 19:23:31 -08:00 committed by Rishabh Bhatnagar
parent b71791171e
commit 690109d81e
1 changed files with 22 additions and 0 deletions
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22
kernel/sched/walt/walt_cfs.c
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@ -1271,6 +1271,16 @@ static void walt_cfs_check_preempt_wakeup(void *unused, struct rq *rq, struct ta
trace_walt_cfs_mvp_wakeup_preempt(p, wts_p, walt_cfs_mvp_task_limit(p));
}
#ifdef CONFIG_FAIR_GROUP_SCHED
/* Walk up scheduling entities hierarchy */
#define for_each_sched_entity(se) \
for (; se; se = se->parent)
#else /* !CONFIG_FAIR_GROUP_SCHED */
#define for_each_sched_entity(se) \
for (; se; se = NULL)
#endif
extern void set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *se);
static void walt_cfs_replace_next_task_fair(void *unused, struct rq *rq, struct task_struct **p,
struct sched_entity **se, bool *repick, bool simple,
struct task_struct *prev)
@ -1278,6 +1288,7 @@ static void walt_cfs_replace_next_task_fair(void *unused, struct rq *rq, struct
struct walt_rq *wrq = (struct walt_rq *) rq->android_vendor_data1;
struct walt_task_struct *wts;
struct task_struct *mvp;
struct cfs_rq *cfs_rq;
if (unlikely(walt_disabled))
return;
@ -1302,6 +1313,17 @@ static void walt_cfs_replace_next_task_fair(void *unused, struct rq *rq, struct
*se = &mvp->se;
*repick = true;
if (simple) {
for_each_sched_entity((*se)) {
/*
* TODO If CFS_BANDWIDTH is enabled, we might pick
* from a throttled cfs_rq
*/
cfs_rq = cfs_rq_of(*se);
set_next_entity(cfs_rq, *se);
}
}
if ((*p) && (*p) != prev && ((*p)->on_cpu == 1 || (*p)->on_rq == 0 ||
(*p)->on_rq == TASK_ON_RQ_MIGRATING ||
(*p)->cpu != cpu_of(rq)))