diff options
Diffstat (limited to 'kernel/sched/hmp.c')
| -rw-r--r-- | kernel/sched/hmp.c | 38 |
1 files changed, 5 insertions, 33 deletions
diff --git a/kernel/sched/hmp.c b/kernel/sched/hmp.c index 95125c5518e2..3fabe6af0f4b 100644 --- a/kernel/sched/hmp.c +++ b/kernel/sched/hmp.c @@ -616,19 +616,6 @@ int register_cpu_cycle_counter_cb(struct cpu_cycle_counter_cb *cb) return 0; } -int __init set_sched_enable_hmp(char *str) -{ - int enable_hmp = 0; - - get_option(&str, &enable_hmp); - - sched_enable_hmp = !!enable_hmp; - - return 0; -} - -early_param("sched_enable_hmp", set_sched_enable_hmp); - /* Clear any HMP scheduler related requests pending from or on cpu */ void clear_hmp_request(int cpu) { @@ -870,9 +857,6 @@ unsigned int max_task_load(void) return sched_ravg_window; } -/* Use this knob to turn on or off HMP-aware task placement logic */ -unsigned int __read_mostly sched_enable_hmp; - /* A cpu can no longer accommodate more tasks if: * * rq->nr_running > sysctl_sched_spill_nr_run || @@ -1245,7 +1229,7 @@ unlock: void inc_nr_big_task(struct hmp_sched_stats *stats, struct task_struct *p) { - if (!sched_enable_hmp || sched_disable_window_stats) + if (sched_disable_window_stats) return; if (is_big_task(p)) @@ -1254,7 +1238,7 @@ void inc_nr_big_task(struct hmp_sched_stats *stats, struct task_struct *p) void dec_nr_big_task(struct hmp_sched_stats *stats, struct task_struct *p) { - if (!sched_enable_hmp || sched_disable_window_stats) + if (sched_disable_window_stats) return; if (is_big_task(p)) @@ -1323,7 +1307,7 @@ void fixup_nr_big_tasks(struct hmp_sched_stats *stats, u64 new_task_load; u64 old_task_load; - if (!sched_enable_hmp || sched_disable_window_stats) + if (sched_disable_window_stats) return; old_task_load = scale_load_to_cpu(task_load(p), task_cpu(p)); @@ -1433,9 +1417,6 @@ int sched_window_update_handler(struct ctl_table *table, int write, unsigned int *data = (unsigned int *)table->data; unsigned int old_val; - if (!sched_enable_hmp) - return -EINVAL; - mutex_lock(&policy_mutex); old_val = *data; @@ -1471,9 +1452,6 @@ int sched_hmp_proc_update_handler(struct ctl_table *table, int write, unsigned int *data = (unsigned int *)table->data; int update_task_count = 0; - if (!sched_enable_hmp) - return 0; - /* * The policy mutex is acquired with cpu_hotplug.lock * held from cpu_up()->cpufreq_governor_interactive()-> @@ -1776,9 +1754,6 @@ static int send_notification(struct rq *rq, int check_pred, int check_groups) int rc = 0; u64 group_load = 0, new_load = 0; - if (!sched_enable_hmp) - return 0; - if (check_pred) { u64 prev = rq->old_busy_time; u64 predicted = rq->hmp_stats.pred_demands_sum; @@ -3012,7 +2987,7 @@ void set_window_start(struct rq *rq) { static int sync_cpu_available; - if (rq->window_start || !sched_enable_hmp) + if (rq->window_start) return; if (!sync_cpu_available) { @@ -3620,7 +3595,7 @@ void fixup_busy_time(struct task_struct *p, int new_cpu) bool new_task; struct related_thread_group *grp; - if (!sched_enable_hmp || (!p->on_rq && p->state != TASK_WAKING)) + if (!p->on_rq && p->state != TASK_WAKING) return; if (exiting_task(p)) { @@ -4418,9 +4393,6 @@ static int register_sched_callback(void) { int ret; - if (!sched_enable_hmp) - return 0; - ret = cpufreq_register_notifier(¬ifier_policy_block, CPUFREQ_POLICY_NOTIFIER); |