linux-kernel - Re: [PATCH] perf: Ensure symbols for plugins are exported

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Date:	Sat, 18 Apr 2015 17:46:18 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Mathias Krause <minipli@...glemail.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ingo Molnar <mingo@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCH] perf: Ensure symbols for plugins are exported

On Fri, Apr 17, 2015 at 11:01:07PM +0200, Mathias Krause wrote:
> On 17 April 2015 at 17:34, Jiri Olsa <jolsa@...hat.com> wrote:
> > On Sun, Apr 12, 2015 at 06:00:51PM +0200, Mathias Krause wrote:
> >> When building perf with perl or python support it implicitly gets linked
> >> with the -export-dynamic linker option through the additional linker
> >> flags, namely with -Wl,-E via perl or -Xlinker -export-dynamic via
> >> python. That flag is essential for the traceevent plugin support so we
> >> shouldn't rely on adding it implicitly.

I dont see the -E flag being added for perl on my setup,
but I guess that could be different on each distro

maybe we should look for proper fix and export only
needed symbols, anyway for this bugfix:

Acked-by: Jiri Olsa <jolsa@...nel.org>

thanks,
jirka
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