diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/.gitignore | 1 | ||||
| -rw-r--r-- | kernel/events/core.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/kernel/.gitignore b/kernel/.gitignore index ab4f1090f437..b3097bde4e9c 100644 --- a/kernel/.gitignore +++ b/kernel/.gitignore @@ -4,3 +4,4 @@ config_data.h config_data.gz timeconst.h +hz.bc diff --git a/kernel/events/core.c b/kernel/events/core.c index 4d3124b39277..9fcb0944f071 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -4596,6 +4596,7 @@ void perf_event_comm(struct task_struct *task) struct perf_event_context *ctx; int ctxn; + rcu_read_lock(); for_each_task_context_nr(ctxn) { ctx = task->perf_event_ctxp[ctxn]; if (!ctx) @@ -4603,6 +4604,7 @@ void perf_event_comm(struct task_struct *task) perf_event_enable_on_exec(ctx); } + rcu_read_unlock(); if (!atomic_read(&nr_comm_events)) return; |