From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756113AbYGIQyy (ORCPT ); Wed, 9 Jul 2008 12:54:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752870AbYGIQvi (ORCPT ); Wed, 9 Jul 2008 12:51:38 -0400 Received: from relay2.sgi.com ([192.48.171.30]:42836 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751889AbYGIQvb (ORCPT ); Wed, 9 Jul 2008 12:51:31 -0400 Message-Id: <20080709165131.080944000@polaris-admin.engr.sgi.com> References: <20080709165129.292635000@polaris-admin.engr.sgi.com> User-Agent: quilt/0.46-1 Date: Wed, 09 Jul 2008 09:51:42 -0700 From: Mike Travis To: Jeremy Fitzhardinge Cc: Ingo Molnar , Andrew Morton , "Eric W. Biederman" , "H. Peter Anvin" , Christoph Lameter , Jack Steiner , linux-kernel@vger.kernel.org Subject: [RFC 13/15] x86_64: Replace xxx_pda() operations in include_asm-x86_topology_h Content-Disposition: inline; filename=incl_pda_ops_include_asm-x86_topology_h Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * It is now possible to use percpu operations for pda access since the pda is in the percpu area. Drop the pda operations. Thus: read_pda --> x86_read_percpu write_pda --> x86_write_percpu add_pda (+1) --> x86_inc_percpu or_pda --> x86_or_percpu Based on linux-2.6.tip/master Signed-off-by: Christoph Lameter Signed-off-by: Mike Travis --- include/asm-x86/topology.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux-2.6.tip.orig/include/asm-x86/topology.h 2008-07-01 10:41:33.000000000 -0700 +++ linux-2.6.tip/include/asm-x86/topology.h 2008-07-01 10:49:15.420385902 -0700 @@ -77,7 +77,7 @@ extern cpumask_t *node_to_cpumask_map; DECLARE_EARLY_PER_CPU(int, x86_cpu_to_node_map); /* Returns the number of the current Node. */ -#define numa_node_id() read_pda(nodenumber) +#define numa_node_id() x86_read_percpu(pda.nodenumber) #ifdef CONFIG_DEBUG_PER_CPU_MAPS extern int cpu_to_node(int cpu); --