linux-kernel - Re: [PATCH] perf: Fix symbol resolution on old ppc64 ABI

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] [day] [month] [year] [list]

Message-ID: <20110725123636.GA28530@elte.hu>
Date:	Mon, 25 Jul 2011 14:36:37 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Anton Blanchard <anton@...ba.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	emunson@...bm.net, linux-kernel@...r.kernel.org, amodra@...il.com
Subject: Re: [PATCH] perf: Fix symbol resolution on old ppc64 ABI


* Anton Blanchard <anton@...ba.org> wrote:

> Hi Ingo,
> 
> > > It would cover most cases. There would be an issue with 
> > > functions that are less than 24 bytes in length (ie 6 
> > > instructions). Tiny functions are probably rare enough that we 
> > > can live with it.
> > 
> > Do such tiny functions get packed tightly, below 24 bytes? 
> > Another sanitization pass could solve that issue, to trim 
> > partially overlapping symbol regions, right?
> 
> That would work I think. Should I cook up a patch?

Yeah, would be nice - if Arnaldo agrees with the approach too.

Thanks,

	Ingo
--
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/