From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Frank Ch. Eigler" Subject: Re: [PATCH 2/2] Markers Implementation for Preempt RCU Boost Tracing Date: Wed, 2 Jan 2008 12:56:06 -0500 Message-ID: <20080102175606.GD11496@redhat.com> References: <20071231060911.GB6461@in.ibm.com> <20071231102045.GB30380@elte.hu> <20080102124734.GC11208@elte.hu> <20080102163309.GC11496@redhat.com> <20080102170157.GA11161@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "Frank Ch. Eigler" , "K. Prasad" , linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, dipankar@in.ibm.com, ego@in.ibm.com, mathieu.desnoyers@polymtl.ca, paulmck@linux.vnet.ibm.com, Andrew Morton , Linus Torvalds To: Ingo Molnar Return-path: Received: from mx1.redhat.com ([66.187.233.31]:48610 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751911AbYABR6b (ORCPT ); Wed, 2 Jan 2008 12:58:31 -0500 Content-Disposition: inline In-Reply-To: <20080102170157.GA11161@elte.hu> Sender: linux-rt-users-owner@vger.kernel.org List-ID: Hi - On Wed, Jan 02, 2008 at 06:01:57PM +0100, Ingo Molnar wrote: > [...] > well, -freorder-blocks seems to be default-enabled at -O2 on gcc 4.2, so > we should already be getting that, right? Right. > [...] So it would be nice if we could collect all this offline code > and stuff it away into another portion of the kernel image. (or, > into another portion of the object file - which would still be good > enough in practice) That would be the -freorder-blocks-and-partition flag, as proposed by Arjan two Februarys ago. I don't see any traces of Andi's overriding "-fno-reorder-blocks" in the current linus tree, so maybe it's time to resurrect this one: http://readlist.com/lists/vger.kernel.org/linux-kernel/39/196123.html - FChE