From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751313Ab0DJGXs (ORCPT ); Sat, 10 Apr 2010 02:23:48 -0400 Received: from terminus.zytor.com ([198.137.202.10]:55162 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751115Ab0DJGXr (ORCPT ); Sat, 10 Apr 2010 02:23:47 -0400 Message-ID: <4BC0193D.5030909@zytor.com> Date: Fri, 09 Apr 2010 23:22:53 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100330 Fedora/3.0.4-1.fc12 Thunderbird/3.0.4 MIME-Version: 1.0 To: David Miller CC: jbaron@redhat.com, linux-kernel@vger.kernel.org, mingo@elte.hu, mathieu.desnoyers@polymtl.ca, tglx@linutronix.de, rostedt@goodmis.org, andi@firstfloor.org, roland@redhat.com, rth@redhat.com, mhiramat@redhat.com, fweisbec@gmail.com, avi@redhat.com Subject: Re: [PATCH 0/9] jump label v6 References: <20100409.231607.267279645.davem@davemloft.net> In-Reply-To: <20100409.231607.267279645.davem@davemloft.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/09/2010 11:16 PM, David Miller wrote: > > Finally, please abstract out the jump label and string address > type. Even on 64-bit sparc all of the kernel addresses are 32-bits > so we can use "u32" for all of the addresses jump label wants to > record. This will decrease the jump label section size. There is > at least one other 64-bit platform that can benefit from this, > which I think is s390x if I'm not mistaken. > Even on x86 they're 32 bits -- but signed. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.