diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched.c | 17 | ||||
| -rw-r--r-- | kernel/sched_fair.c | 14 |
2 files changed, 9 insertions, 22 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 3f7c5eb254e..28c73f07efb 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -594,18 +594,14 @@ enum { SCHED_FEAT_NEW_FAIR_SLEEPERS = 1, SCHED_FEAT_WAKEUP_PREEMPT = 2, SCHED_FEAT_START_DEBIT = 4, - SCHED_FEAT_TREE_AVG = 8, - SCHED_FEAT_APPROX_AVG = 16, - SCHED_FEAT_HRTICK = 32, - SCHED_FEAT_DOUBLE_TICK = 64, + SCHED_FEAT_HRTICK = 8, + SCHED_FEAT_DOUBLE_TICK = 16, }; const_debug unsigned int sysctl_sched_features = SCHED_FEAT_NEW_FAIR_SLEEPERS * 1 | SCHED_FEAT_WAKEUP_PREEMPT * 1 | SCHED_FEAT_START_DEBIT * 1 | - SCHED_FEAT_TREE_AVG * 0 | - SCHED_FEAT_APPROX_AVG * 0 | SCHED_FEAT_HRTICK * 1 | SCHED_FEAT_DOUBLE_TICK * 0; @@ -3886,7 +3882,7 @@ need_resched_nonpreemptible: if (prev->state && !(preempt_count() & PREEMPT_ACTIVE)) { if (unlikely((prev->state & TASK_INTERRUPTIBLE) && - unlikely(signal_pending(prev)))) { + signal_pending(prev))) { prev->state = TASK_RUNNING; } else { deactivate_task(rq, prev, 1); @@ -6811,6 +6807,10 @@ static int ndoms_cur; /* number of sched domains in 'doms_cur' */ */ static cpumask_t fallback_doms; +void __attribute__((weak)) arch_update_cpu_topology(void) +{ +} + /* * Set up scheduler domains and groups. Callers must hold the hotplug lock. * For now this just excludes isolated cpus, but could be used to @@ -6820,6 +6820,7 @@ static int arch_init_sched_domains(const cpumask_t *cpu_map) { int err; + arch_update_cpu_topology(); ndoms_cur = 1; doms_cur = kmalloc(sizeof(cpumask_t), GFP_KERNEL); if (!doms_cur) @@ -6924,7 +6925,7 @@ match2: } #if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT) -static int arch_reinit_sched_domains(void) +int arch_reinit_sched_domains(void) { int err; diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index b85cac4b5e2..86a93376282 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -302,11 +302,6 @@ static u64 __sched_vslice(unsigned long rq_weight, unsigned long nr_running) return vslice; } -static u64 sched_vslice(struct cfs_rq *cfs_rq) -{ - return __sched_vslice(cfs_rq->load.weight, cfs_rq->nr_running); -} - static u64 sched_vslice_add(struct cfs_rq *cfs_rq, struct sched_entity *se) { return __sched_vslice(cfs_rq->load.weight + se->load.weight, @@ -504,15 +499,6 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int initial) } else vruntime = cfs_rq->min_vruntime; - if (sched_feat(TREE_AVG)) { - struct sched_entity *last = __pick_last_entity(cfs_rq); - if (last) { - vruntime += last->vruntime; - vruntime >>= 1; - } - } else if (sched_feat(APPROX_AVG) && cfs_rq->nr_running) - vruntime += sched_vslice(cfs_rq)/2; - /* * The 'current' period is already promised to the current tasks, * however the extra weight of the new task will slow them down a |