Re: perf: fuzzer WARNING event_function_local.constprop

From	Peter Zijlstra <peterz@infradead.org>
Newsgroups	linux.kernel
Subject	Re: perf: fuzzer WARNING event_function_local.constprop
Date	2016-08-16 19:10 +0200
Message-ID	<s6Q2d-5Qh-7@gated-at.bofh.it> (permalink)
References	<s5nYm-4bK-19@gated-at.bofh.it> <s6JtM-1KE-9@gated-at.bofh.it> <s6PfP-5j1-17@gated-at.bofh.it>
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On Tue, Aug 16, 2016 at 12:17:27PM -0400, Vince Weaver wrote:
> On Tue, 16 Aug 2016, Peter Zijlstra wrote:
> 
> > Could you see if the below cures things?
> > 
> > ---
> >  kernel/events/core.c | 60 +++++++++++++++++++++++++++++++++++++++++-----------
> >  1 file changed, 48 insertions(+), 12 deletions(-)
> 
> yes, it seems to fix things, or at least my reliable test case no longer 
> will trigger it.

Awesome, I'll go write a Changelog and such.

Meanwhile I found a livelock in ftrace-perf, once I get that sorted I'll
go look at the other things you reported.

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perf: fuzzer WARNING event_function_local.constprop Vince Weaver <vincent.weaver@maine.edu> - 2016-08-12 19:00 +0200
  Re: perf: fuzzer WARNING event_function_local.constprop Peter Zijlstra <peterz@infradead.org> - 2016-08-16 12:10 +0200
    Re: perf: fuzzer WARNING event_function_local.constprop Vince Weaver <vincent.weaver@maine.edu> - 2016-08-16 18:20 +0200
      Re: perf: fuzzer WARNING event_function_local.constprop Peter Zijlstra <peterz@infradead.org> - 2016-08-16 19:10 +0200

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