Messages in this thread Patch in this message | | | Date | Sat, 30 Jan 2021 09:42:11 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH v5] tracepoint: Do not fail unregistering a probe due to memory failure |
| |
On Sat, 30 Jan 2021 09:36:26 -0500 Steven Rostedt <rostedt@goodmis.org> wrote:
> Do you still have the same crash with v3 (that's the one I'm going to > go with for now.) > > https://lore.kernel.org/r/20201118093405.7a6d2290@gandalf.local.home
Just curious, does the following patch fix it for v5?
-- Steve
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c index 7261fa0f5e3c..cf3a6d104fdb 100644 --- a/kernel/tracepoint.c +++ b/kernel/tracepoint.c @@ -306,6 +306,7 @@ static int tracepoint_remove_func(struct tracepoint *tp, tp->unregfunc(); static_key_disable(&tp->key); + tracepoint_synchronize_unregister(); rcu_assign_pointer(tp->funcs, tp_funcs); } else { rcu_assign_pointer(tp->funcs, tp_funcs);
| |