On Wed, Oct 26, 2016 at 11:44:53AM -0200, Arnaldo Carvalho de Melo wrote: > Em Tue, Oct 25, 2016 at 05:20:10PM -0700, Krister Johansen escreveu: > > On Tue, Oct 11, 2016 at 02:28:39AM -0700, Krister Johansen wrote: > > > If dso__load_kcore frees all of the existing maps, but one has already > > > been attached to a callchain cursor node, then we can get a SIGSEGV in > > > any function that happens to try to use this invalid cursor. Use the > > > existing map refcount mechanism to forestall cleanup of a map until the > > > cursor iterates past the node. > > > > It has been a couple of weeks since I sent out v2 of this patch. I > > understand that folks here have plenty of irons in the fire, but I > > wanted to double-check that nobody was waiting on me for additional > > information or changes. > > It was a mix of waiting for more people to review it, or for Masami to > run its refcount debugger on it, ended up falling thru the cracks. > > I'll try to process it now.
Thanks. As part of processing this did you run into any problems? Would you like me to rebase against the latest perf/core and re-send the patch? -K
