Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754338Ab1BPUg6 (ORCPT ); Wed, 16 Feb 2011 15:36:58 -0500 Received: from mail.openrapids.net ([64.15.138.104]:40542 "EHLO blackscsi.openrapids.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752544Ab1BPUg4 (ORCPT ); Wed, 16 Feb 2011 15:36:56 -0500 Date: Wed, 16 Feb 2011 15:36:53 -0500 From: Mathieu Desnoyers To: David Daney Cc: Roland McGrath , Mark Wielaard , Stefan Hajnoczi , "Frank Ch. Eigler" , Julien Desfossez , dominique.toupin@ericsson.com, ltt-dev@lists.casi.polymtl.ca, systemtap@sources.redhat.com, linux-kernel@vger.kernel.org, Jason Baron , hpa@zytor.com, rostedt@goodmis.org, mingo@elte.hu, tglx@linutronix.de, andi@firstfloor.org, rth@redhat.com, masami.hiramatsu.pt@hitachi.com, fweisbec@gmail.com, avi@redhat.com, davem@davemloft.net, sam@ravnborg.org, michael@ellerman.id.au, Peter Zijlstra Subject: Re: Porting "jump labels" to userspace Message-ID: <20110216203653.GA2015@Krystal> References: <4D5AA164.1050607@polymtl.ca> <1297853778.3224.90.camel@springer.wildebeest.org> <20110216185056.CAD7B1806E0@magilla.sf.frob.com> <20110216200034.GA6066@Krystal> <4D5C3024.6040807@caviumnetworks.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4D5C3024.6040807@caviumnetworks.com> X-Editor: vi X-Info: http://www.efficios.com X-Operating-System: Linux/2.6.26-2-686 (i686) X-Uptime: 15:36:22 up 85 days, 1:39, 4 users, load average: 0.02, 0.02, 0.00 User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1402 Lines: 38 * David Daney (ddaney@caviumnetworks.com) wrote: > On 02/16/2011 12:00 PM, Mathieu Desnoyers wrote: > [...]> >> Actually, creating the equivalent of the jump labels for userspace is on our >> list of "things to do" for the UST project. >> >> If Jason and other jump label contributors agree to dual-license the jump label >> generic and per-arch implementations under both GPLv2 and LGPLv2.1, we could >> probably re-use a large part of this code to create a static jump label library >> for userspace. The concerned authors are precisely: Jason for generic and x86 >> code, Steven for some improvements in generic code and David S. Miller for the >> sparc port. After things settle down with the current jump label changes >> proposed by Peter Zijlstra, we might also want to ask for his permission to >> LGPLize his changes. >> > FWIW: MIPS jump label support is now in as of: > > 94bb0c1 (MIPS: jump label: Add MIPS support.) > > I would be the author of that. Sorry David, my tree was a bit outdated from Linus's head :) Mathieu > > David Daney -- Mathieu Desnoyers Operating System Efficiency R&D Consultant EfficiOS Inc. http://www.efficios.com -- 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/