1 files changed, 11 insertions, 11 deletions

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 10cdb9c26b5d..c298847d4b85 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -209,7 +209,7 @@ static int event_function(void *info)
 	struct perf_event_context *task_ctx = cpuctx->task_ctx;
 	int ret = 0;
 
-	WARN_ON_ONCE(!irqs_disabled());
+	lockdep_assert_irqs_disabled();
 
 	perf_ctx_lock(cpuctx, task_ctx);
 	/*
@@ -306,7 +306,7 @@ static void event_function_local(struct perf_event *event, event_f func, void *d
 	struct task_struct *task = READ_ONCE(ctx->task);
 	struct perf_event_context *task_ctx = NULL;
 
-	WARN_ON_ONCE(!irqs_disabled());
+	lockdep_assert_irqs_disabled();
 
 	if (task) {
 		if (task == TASK_TOMBSTONE)
@@ -1006,7 +1006,7 @@ static enum hrtimer_restart perf_mux_hrtimer_handler(struct hrtimer *hr)
 	struct perf_cpu_context *cpuctx;
 	int rotations = 0;
 
-	WARN_ON(!irqs_disabled());
+	lockdep_assert_irqs_disabled();
 
 	cpuctx = container_of(hr, struct perf_cpu_context, hrtimer);
 	rotations = perf_rotate_context(cpuctx);
@@ -1093,7 +1093,7 @@ static void perf_event_ctx_activate(struct perf_event_context *ctx)
 {
 	struct list_head *head = this_cpu_ptr(&active_ctx_list);
 
-	WARN_ON(!irqs_disabled());
+	lockdep_assert_irqs_disabled();
 
 	WARN_ON(!list_empty(&ctx->active_ctx_list));
 
@@ -1102,7 +1102,7 @@ static void perf_event_ctx_activate(struct perf_event_context *ctx)
 
 static void perf_event_ctx_deactivate(struct perf_event_context *ctx)
 {
-	WARN_ON(!irqs_disabled());
+	lockdep_assert_irqs_disabled();
 
 	WARN_ON(list_empty(&ctx->active_ctx_list));
 
@@ -1202,7 +1202,7 @@ perf_event_ctx_lock_nested(struct perf_event *event, int nesting)
 
 again:
 	rcu_read_lock();
-	ctx = ACCESS_ONCE(event->ctx);
+	ctx = READ_ONCE(event->ctx);
 	if (!atomic_inc_not_zero(&ctx->refcount)) {
 		rcu_read_unlock();
 		goto again;
@@ -3523,7 +3523,7 @@ void perf_event_task_tick(void)
 	struct perf_event_context *ctx, *tmp;
 	int throttled;
 
-	WARN_ON(!irqs_disabled());
+	lockdep_assert_irqs_disabled();
 
 	__this_cpu_inc(perf_throttled_seq);
 	throttled = __this_cpu_xchg(perf_throttled_count, 0);
@@ -4233,7 +4233,7 @@ static void perf_remove_from_owner(struct perf_event *event)
 	 * indeed free this event, otherwise we need to serialize on
 	 * owner->perf_event_mutex.
 	 */
-	owner = lockless_dereference(event->owner);
+	owner = READ_ONCE(event->owner);
 	if (owner) {
 		/*
 		 * Since delayed_put_task_struct() also drops the last
@@ -4330,7 +4330,7 @@ again:
 		 * Cannot change, child events are not migrated, see the
 		 * comment with perf_event_ctx_lock_nested().
 		 */
-		ctx = lockless_dereference(child->ctx);
+		ctx = READ_ONCE(child->ctx);
 		/*
 		 * Since child_mutex nests inside ctx::mutex, we must jump
 		 * through hoops. We start by grabbing a reference on the ctx.
@@ -5304,8 +5304,8 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma)
 		if (!rb)
 			goto aux_unlock;
 
-		aux_offset = ACCESS_ONCE(rb->user_page->aux_offset);
-		aux_size = ACCESS_ONCE(rb->user_page->aux_size);
+		aux_offset = READ_ONCE(rb->user_page->aux_offset);
+		aux_size = READ_ONCE(rb->user_page->aux_size);
 
 		if (aux_offset < perf_data_size(rb) + PAGE_SIZE)
 			goto aux_unlock;