Re: perf: fuzzer WARNING event_function_local.constprop

From: Peter Zijlstra
Date: Tue Aug 16 2016 - 13:03:53 EST


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.