linux-kernel - Re: [tip:perf/core] perf probe: Don't compile CFI related code if elfutils is old

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: <20100518093535.GF21799@erda.amd.com>
Date:	Tue, 18 May 2010 11:35:35 +0200
From:	Robert Richter <robert.richter@....com>
To:	"mingo@...hat.com" <mingo@...hat.com>,
	"hpa@...or.com" <hpa@...or.com>,
	"eranian@...gle.com" <eranian@...gle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"acme@...hat.com" <acme@...hat.com>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"mhiramat@...hat.com" <mhiramat@...hat.com>,
	"mingo@...e.hu" <mingo@...e.hu>
CC:	"linux-tip-commits@...r.kernel.org" 
	<linux-tip-commits@...r.kernel.org>
Subject: Re: [tip:perf/core] perf probe: Don't compile CFI related code if
 elfutils is old

On 17.05.10 21:57:38, tip-bot for Masami Hiramatsu wrote:
> Commit-ID:  7752f1b096e13991f20b59fd11ba73da3809d93c
> Gitweb:     http://git.kernel.org/tip/7752f1b096e13991f20b59fd11ba73da3809d93c
> Author:     Masami Hiramatsu <mhiramat@...hat.com>
> AuthorDate: Mon, 10 May 2010 13:12:07 -0400
> Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
> CommitDate: Mon, 17 May 2010 22:13:51 -0300
> 
> perf probe: Don't compile CFI related code if elfutils is old
> 
> Check elfutils version, and if it is old don't compile CFI analysis code. This
> allows to compile perf with old elfutils.
> 
> Signed-off-by: Masami Hiramatsu <mhiramat@...hat.com>
> Tested-by: Stephane Eranian <eranian@...gle.com>
> Reported-by: Robert Richter <robert.richter@....com>
> Cc: Ingo Molnar <mingo@...e.hu>
> LKML-Reference: <20100510171207.26029.97604.stgit@...alhost6.localdomain6>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> ---

I think this patch is not needed as we came up with an alternative
solution with commit:

 6b3c4ef perf probe: Check older elfutils and set NO_DWARF

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center
email: robert.richter@....com

--
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/