Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757656Ab0FILyF (ORCPT ); Wed, 9 Jun 2010 07:54:05 -0400 Received: from casper.infradead.org ([85.118.1.10]:58661 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754760Ab0FILyE convert rfc822-to-8bit (ORCPT ); Wed, 9 Jun 2010 07:54:04 -0400 Subject: Re: [PATCH][RFC] tracing: Use class->reg() for all registering of events From: Peter Zijlstra To: Srikar Dronamraju Cc: Steven Rostedt , LKML , Ingo Molnar , Frederic Weisbecker , Masami Hiramatsu , Ananth N Mavinakayanahalli , Arnaldo Carvalho de Melo In-Reply-To: <20100609114753.GB5878@linux.vnet.ibm.com> References: <1276011215.15884.96.camel@gandalf.stny.rr.com> <1276012661.2046.120.camel@twins> <20100608173559.GE2800@linux.vnet.ibm.com> <1276024211.15884.107.camel@gandalf.stny.rr.com> <20100609050534.GA5878@linux.vnet.ibm.com> <1276065150.2046.1004.camel@twins> <20100609114753.GB5878@linux.vnet.ibm.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Wed, 09 Jun 2010 13:53:34 +0200 Message-ID: <1276084414.2046.1335.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1220 Lines: 29 On Wed, 2010-06-09 at 17:17 +0530, Srikar Dronamraju wrote: > * Peter Zijlstra [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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/