linux-kernel - Re: [PATCH][RFC] tracing: Use class->reg() for all registering of events

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]

Date:	Wed, 09 Jun 2010 13:53:34 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [PATCH][RFC] tracing: Use class->reg() for all registering of
 events

On Wed, 2010-06-09 at 17:17 +0530, Srikar Dronamraju wrote:
> * Peter Zijlstra <peterz@...radead.org> [2010-06-09 08:32:30]:
> 
> > On Wed, 2010-06-09 at 10:35 +0530, Srikar Dronamraju wrote:
> > 
> > > Peter, can you please point me to the fix for the floating point
> > > exception patch?
> > 
> > Ingo just commited the fix, see tip commit f6ab91add6 (perf: Fix signed
> > comparison in perf_adjust_period()).
> 
> Actually this fix was already checked-in but I still see the problem.
> 
> When ran gdb on the core, it showed me that it was dumping in
> /usr/lib64/libnewt.so.0.52. in newtScaleSet function.
> My newt lib was of version : newt-0.52.2-15
> 
> I am now able to workaround the problem by uninstalling newt-devel.

Ah, ok, then we're talking about two different issues, the patch I
referred to solves a possible /0 in the kernel which triggers easily
with software events because of that unsigned comparison.

I'll have to defer to Arnaldo on the newt issue.
--
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/