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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20150418154618.GB15063@krava.brq.redhat.com>
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
--
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/