From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752732Ab1AEUE7 (ORCPT ); Wed, 5 Jan 2011 15:04:59 -0500 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.125]:36999 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751822Ab1AEUE6 (ORCPT ); Wed, 5 Jan 2011 15:04:58 -0500 X-Authority-Analysis: v=1.1 cv=3uSaImBeuprzHBlOOPjkqgu+7PcxSRW0m2Aphm9Zmck= c=1 sm=0 a=mIBq1ZzCEX8A:10 a=Q9fys5e9bTEA:10 a=OPBmh+XkhLl+Enan7BmTLg==:17 a=meVymXHHAAAA:8 a=hM8SXfMd5unFFwBgY-YA:9 a=d3gTl3bBEBlot48b5vsyIQf9QDQA:4 a=PUjeQqilurYA:10 a=jeBq3FmKZ4MA:10 a=OPBmh+XkhLl+Enan7BmTLg==:117 X-Cloudmark-Score: 0 X-Originating-IP: 67.242.120.143 Subject: Re: [PATCH 2/2] jump label: introduce static_branch() From: Steven Rostedt To: David Miller Cc: ddaney@caviumnetworks.com, jbaron@redhat.com, ralf@linux-mips.org, peterz@infradead.org, mathieu.desnoyers@polymtl.ca, hpa@zytor.com, mingo@elte.hu, tglx@linutronix.de, andi@firstfloor.org, roland@redhat.com, rth@redhat.com, masami.hiramatsu.pt@hitachi.com, fweisbec@gmail.com, avi@redhat.com, sam@ravnborg.org, michael@ellerman.id.au, linux-kernel@vger.kernel.org In-Reply-To: <20110105.104425.71112703.davem@davemloft.net> References: <2d8c38bd7ca93e162aedb8e7acfc8bdb96d85de2.1294239591.git.jbaron@redhat.com> <4D24AB1B.2010209@caviumnetworks.com> <1294249439.26623.35.camel@gandalf.stny.rr.com> <20110105.104425.71112703.davem@davemloft.net> Content-Type: text/plain; charset="ISO-8859-15" Date: Wed, 05 Jan 2011 15:04:53 -0500 Message-ID: <1294257893.26623.116.camel@gandalf.stny.rr.com> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2011-01-05 at 10:44 -0800, David Miller wrote: > From: Steven Rostedt > Date: Wed, 05 Jan 2011 12:43:59 -0500 > > > On Wed, 2011-01-05 at 09:32 -0800, David Daney wrote: > > > >> This patch will conflict with the MIPS jump label support that Ralf has > >> queued up for 2.6.38. > > > > Can you disable that support for now? As Linus said at Kernel Summit, > > other archs jumped too quickly onto the jump label band wagon. > > I totally disagree with this assesment. Implementing jump label for > sparc64 as early as possible found so much broken stuff that otherwise > would have merged in before any other architecture tried supporting > it. The issue here is that jump labels went in too fast. And I agree that having it ported to all archs is/was important. But the infrastructure needs to be cleaned up. Probably best to get out the kinks in Linux next as suppose to mainline. -- Steve