Re: [PATCH 02/11] [BUGFIX] ftrace, kprobes: Fix a deadlock onftrace_regex_lock

From: Steven Rostedt
Date: Thu May 09 2013 - 11:41:12 EST


On Thu, 2013-05-09 at 10:47 -0400, Steven Rostedt wrote:

> > sh-2.05b# echo p vfs_symlink > kprobe_events
> > sh-2.05b# echo vfs_symlink:enable_event:kprobes:p_vfs_symlink_0 > set_ftrace_filter
> >

> Ouch! I'm surprised I didn't trigger this in my tests. I have lockdep
> enabled, and I did run kprobe testing. I'll have to look at how this was
> missed :-/

OK, now I know why I missed this. My tests never enabled a kprobe event.
I'll have to update them to do so.

Thanks,

-- Steve


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/