linux-kernel - Re: [PATCH 1/2] perf tools: Ensure --symfs ends with '/'

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: <87fvhmi9a0.fsf@sejong.aot.lge.com>
Date:	Mon, 28 Jul 2014 10:04:07 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Jiri Olsa <jolsa@...hat.com>, David Ahern <dsahern@...il.com>,
	Minchan Kim <minchan@...nel.org>
Subject: Re: [PATCH 1/2] perf tools: Ensure --symfs ends with '/'

Hi Arnaldo,

On Fri, 25 Jul 2014 10:15:21 -0300, Arnaldo Carvalho de Melo wrote:
> Em Fri, Jul 25, 2014 at 10:31:47AM +0900, Namhyung Kim escreveu:
>> Minchan reported that perf failed to load vmlinux if --symfs argument
>> doesn't end with '/' character.  So make sure that the symfs always
>> ends with the '/'.
>
> I don't think this is the right way of doing this, users of
> symbol_conf.symfs should instead make sure that they do what they expect
> to, i.e. if they want it to be a base directory, make sure that a path
> separator is added between it and the relative path following it, if
> not, do as they please.

Hmm.. what's the usecase of non-directory symfs?  I guess realpath(3)
already nullifies such case and defaults to no symfs..

Thanks,
Namhyung
--
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/