Messages in this thread | | | Date | Wed, 10 May 2017 13:15:28 -0400 | From | Steven Rostedt <> | Subject | Re: [patch V2 24/24] cpu/hotplug: Convert hotplug locking to percpu rwsem |
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On Wed, 10 May 2017 12:30:57 -0400 Steven Rostedt <rostedt@goodmis.org> wrote:
> I finally got some time to look at this. I'm looking at your commit: > > commit b53e5129c4c7ab47ec4f709fd8f5784ca45fb46d > Author: Thomas Gleixner <tglx@linutronix.de> > Date: Sun Apr 23 12:17:13 2017 +0200 > > trace/perf: Cure hotplug lock ordering issues > > What were the circular locking dependencies that were uncovered. > > event_mutex could possibly be broken up, if that helps. It sorta became > a catch all for various modifications to tracing. >
I checked out the commit before this and started playing with it. I see some of the issues now. I'll look more into it.
-- Steve
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