On Tue, Jul 09, 2013 at 05:01:45PM +0900, Masami Hiramatsu wrote:
> + if (wait) {
> + /*
> + * synchronize with kprobe_trace_func/kretprobe_trace_func
> + * to ensure disabled (all running handlers are finished)
> + */
> + synchronize_sched();
> + kfree(link); /* Ignored if link == NULL */
> + }
What's not clear to me from this comment is if we're only waiting for kfree()?
In that case shouldn't we use call_rcu() to free the thing? Or do we need the
sync_sched() for other purposes as well?
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