linux-kernel - Re: [PATCH 01/52] perf tools: Fix jump label always changing during tracing

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Message-ID: <20140722141135.GF3935@laptop>
Date:	Tue, 22 Jul 2014 16:11:35 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Adrian Hunter <adrian.hunter@...el.com>,
	linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 01/52] perf tools: Fix jump label always changing during
 tracing

On Tue, Jul 22, 2014 at 11:00:34AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Tue, Jul 22, 2014 at 04:17:10PM +0300, Adrian Hunter escreveu:
> > Intel PT decoding walks the object code to reconstruct
> > the trace.  A jump label change during tracing causes
> > decoding errors.

You'd better fix that, jump_labels can change any time and they're all
over the frigging place.
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