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tracing: Rename kvfree_rcu() to kvfree_rcu_mightsleep()

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The kvfree_rcu() macro's single-argument form is deprecated.  Therefore
switch to the new kvfree_rcu_mightsleep() variant. The goal is to
avoid accidental use of the single-argument forms, which can introduce
functionality bugs in atomic contexts and latency bugs in non-atomic
contexts.

Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
This commit is contained in:
Uladzislau Rezki (Sony) 2023-02-01 16:08:10 +01:00 committed by Joel Fernandes (Google)
parent 09b2286af6
commit cae16f2c2e
2 changed files with 2 additions and 2 deletions
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2
kernel/trace/trace_osnoise.c
View File

@ -159,7 +159,7 @@ static void osnoise_unregister_instance(struct trace_array *tr)
if (!found)
return;
kvfree_rcu(inst);
kvfree_rcu_mightsleep(inst);
}
/*

2
kernel/trace/trace_probe.c
View File

@ -1172,7 +1172,7 @@ int trace_probe_remove_file(struct trace_probe *tp,
return -ENOENT;
list_del_rcu(&link->list);
kvfree_rcu(link);
kvfree_rcu_mightsleep(link);
if (list_empty(&tp->event->files))
trace_probe_clear_flag(tp, TP_FLAG_TRACE);