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Date: Fri, 1 Nov 2013 15:16:00 +0000 From: Rodrigo Campos <rodrigo@...g.com.ar> To: Namhyung Kim <namhyung@...nel.org> Cc: Arnaldo Carvalho de Melo <acme@...stprotocols.net>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...nel.org>, Namhyung Kim <namhyung.kim@....com>, LKML <linux-kernel@...r.kernel.org>, Frederic Weisbecker <fweisbec@...il.com>, Stephane Eranian <eranian@...gle.com>, Jiri Olsa <jolsa@...hat.com>, Arun Sharma <asharma@...com> Subject: Re: [PATCH 08/14] perf report: Cache cumulative callchains On Fri, Nov 01, 2013 at 04:07:22PM +0900, Namhyung Kim wrote: > Hi Rodrigo, > > On Thu, 31 Oct 2013 11:13:34 +0000, Rodrigo Campos wrote: > > On Thu, Oct 31, 2013 at 03:56:10PM +0900, Namhyung Kim wrote: > > I think the right fix is assigning "iter->priv = NULL" as you said. But > I changed this patch a bit for v3 so need to check it again. Btw, that would have a race condition if this is run on multiple threads (I mean, if different threads can free the same "iter->prev" pointer), at least if we do it just assigning NULL after the free(). But maybe that's not an issue ? Thanks a lot, Rodrigo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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