diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/events/core.c | 20 | ||||
| -rw-r--r-- | kernel/pid.c | 2 | ||||
| -rw-r--r-- | kernel/sched/debug.c | 4 | ||||
| -rw-r--r-- | kernel/sched/fair.c | 2 | ||||
| -rw-r--r-- | kernel/sched/rt.c | 2 |
5 files changed, 23 insertions, 7 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 301079d06f24..7b6646a8c067 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -908,6 +908,15 @@ list_add_event(struct perf_event *event, struct perf_event_context *ctx) } /* + * Initialize event state based on the perf_event_attr::disabled. + */ +static inline void perf_event__state_init(struct perf_event *event) +{ + event->state = event->attr.disabled ? PERF_EVENT_STATE_OFF : + PERF_EVENT_STATE_INACTIVE; +} + +/* * Called at perf_event creation and when events are attached/detached from a * group. */ @@ -6179,8 +6188,7 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu, event->overflow_handler = overflow_handler; event->overflow_handler_context = context; - if (attr->disabled) - event->state = PERF_EVENT_STATE_OFF; + perf_event__state_init(event); pmu = NULL; @@ -6609,9 +6617,17 @@ SYSCALL_DEFINE5(perf_event_open, mutex_lock(&gctx->mutex); perf_remove_from_context(group_leader); + + /* + * Removing from the context ends up with disabled + * event. What we want here is event in the initial + * startup state, ready to be add into new context. + */ + perf_event__state_init(group_leader); list_for_each_entry(sibling, &group_leader->sibling_list, group_entry) { perf_remove_from_context(sibling); + perf_event__state_init(sibling); put_ctx(gctx); } mutex_unlock(&gctx->mutex); diff --git a/kernel/pid.c b/kernel/pid.c index de9af600006f..f2c6a6825098 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -331,7 +331,7 @@ out: return pid; out_unlock: - spin_unlock(&pidmap_lock); + spin_unlock_irq(&pidmap_lock); out_free: while (++i <= ns->level) free_pidmap(pid->numbers + i); diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 2cd3c1b4e582..7ae4c4c5420e 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -222,8 +222,8 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) cfs_rq->runnable_load_avg); SEQ_printf(m, " .%-30s: %lld\n", "blocked_load_avg", cfs_rq->blocked_load_avg); - SEQ_printf(m, " .%-30s: %ld\n", "tg_load_avg", - atomic64_read(&cfs_rq->tg->load_avg)); + SEQ_printf(m, " .%-30s: %lld\n", "tg_load_avg", + (unsigned long long)atomic64_read(&cfs_rq->tg->load_avg)); SEQ_printf(m, " .%-30s: %lld\n", "tg_load_contrib", cfs_rq->tg_load_contrib); SEQ_printf(m, " .%-30s: %d\n", "tg_runnable_contrib", diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 5eea8707234a..81fa53643409 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2663,7 +2663,7 @@ static void destroy_cfs_bandwidth(struct cfs_bandwidth *cfs_b) hrtimer_cancel(&cfs_b->slack_timer); } -static void unthrottle_offline_cfs_rqs(struct rq *rq) +static void __maybe_unused unthrottle_offline_cfs_rqs(struct rq *rq) { struct cfs_rq *cfs_rq; diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 418feb01344e..4f02b2847357 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -566,7 +566,7 @@ static inline struct rt_bandwidth *sched_rt_bandwidth(struct rt_rq *rt_rq) static int do_balance_runtime(struct rt_rq *rt_rq) { struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq); - struct root_domain *rd = cpu_rq(smp_processor_id())->rd; + struct root_domain *rd = rq_of_rt_rq(rt_rq)->rd; int i, weight, more = 0; u64 rt_period; |