diff options
| author | Uladzislau Rezki (Sony) <urezki@gmail.com> | 2021-11-24 12:03:08 +0100 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-12-06 17:53:50 -0500 |
| commit | a6ed2aee54644cfa2d04ca86308767f5c3a087e8 (patch) | |
| tree | 0b05e0a616eabfcacd5f2629cb6f2d923b43f985 /kernel/trace | |
| parent | 1d83c3a20b0c5708b51c16a021ab76305dbb9943 (diff) | |
tracing: Switch to kvfree_rcu() API
Instead of invoking a synchronize_rcu() to free a pointer
after a grace period we can directly make use of new API
that does the same but in more efficient way.
Link: https://lkml.kernel.org/r/20211124110308.2053-10-urezki@gmail.com
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace_osnoise.c | 3 | ||||
| -rw-r--r-- | kernel/trace/trace_probe.c | 3 |
2 files changed, 2 insertions, 4 deletions
diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c index 7520d43aed55..4719a848bf17 100644 --- a/kernel/trace/trace_osnoise.c +++ b/kernel/trace/trace_osnoise.c @@ -138,8 +138,7 @@ static void osnoise_unregister_instance(struct trace_array *tr) if (!found) return; - synchronize_rcu(); - kfree(inst); + kvfree_rcu(inst); } /* diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c index 3ed2a3f37297..8a3822818bf8 100644 --- a/kernel/trace/trace_probe.c +++ b/kernel/trace/trace_probe.c @@ -1138,8 +1138,7 @@ int trace_probe_remove_file(struct trace_probe *tp, return -ENOENT; list_del_rcu(&link->list); - synchronize_rcu(); - kfree(link); + kvfree_rcu(link); if (list_empty(&tp->event->files)) trace_probe_clear_flag(tp, TP_FLAG_TRACE); |