Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761442AbYCCRe0 (ORCPT ); Mon, 3 Mar 2008 12:34:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760272AbYCCRQm (ORCPT ); Mon, 3 Mar 2008 12:16:42 -0500 Received: from mx1.redhat.com ([66.187.233.31]:36517 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758632AbYCCRQk (ORCPT ); Mon, 3 Mar 2008 12:16:40 -0500 From: Glauber Costa To: linux-kernel@vger.kernel.org Cc: akpm@linux-foundation.org, glommer@gmail.com, mingo@elte.hu, tglx@linutronix.de, Glauber Costa Subject: [PATCH 37/52] use remove_from_maps in cpu_disable Date: Mon, 3 Mar 2008 14:13:05 -0300 Message-Id: <1204564400-17636-38-git-send-email-gcosta@redhat.com> X-Mailer: git-send-email 1.5.3.6 In-Reply-To: <1204564400-17636-37-git-send-email-gcosta@redhat.com> References: <1204564400-17636-1-git-send-email-gcosta@redhat.com> <1204564400-17636-2-git-send-email-gcosta@redhat.com> <1204564400-17636-3-git-send-email-gcosta@redhat.com> <1204564400-17636-4-git-send-email-gcosta@redhat.com> <1204564400-17636-5-git-send-email-gcosta@redhat.com> <1204564400-17636-6-git-send-email-gcosta@redhat.com> <1204564400-17636-7-git-send-email-gcosta@redhat.com> <1204564400-17636-8-git-send-email-gcosta@redhat.com> <1204564400-17636-9-git-send-email-gcosta@redhat.com> <1204564400-17636-10-git-send-email-gcosta@redhat.com> <1204564400-17636-11-git-send-email-gcosta@redhat.com> <1204564400-17636-12-git-send-email-gcosta@redhat.com> <1204564400-17636-13-git-send-email-gcosta@redhat.com> <1204564400-17636-14-git-send-email-gcosta@redhat.com> <1204564400-17636-15-git-send-email-gcosta@redhat.com> <1204564400-17636-16-git-send-email-gcosta@redhat.com> <1204564400-17636-17-git-send-email-gcosta@redhat.com> <1204564400-17636-18-git-send-email-gcosta@redhat.com> <1204564400-17636-19-git-send-email-gcosta@redhat.com> <1204564400-17636-20-git-send-email-gcosta@redhat.com> <1204564400-17636-21-git-send-email-gcosta@redhat.com> <1204564400-17636-22-git-send-email-gcosta@redhat.com> <1204564400-17636-23-git-send-email-gcosta@redhat.com> <1204564400-17636-24-git-send-email-gcosta@redhat.com> <1204564400-17636-25-git-send-email-gcosta@redhat.com> <1204564400-17636-26-git-send-email-gcosta@redhat.com> <1204564400-17636-27-git-send-email-gcosta@redhat.com> <1204564400-17636-28-git-send-email-gcosta@redhat.com> <1204564400-17636-29-git-send-email-gcosta@redhat.com> <1204564400-17636-30-git-send-email-gcosta@redhat.com> <1204564400-17636-31-git-send-email-gcosta@redhat.com> <1204564400-17636-32-git-send-email-gcosta@redhat.com> <1204564400-17636-33-git-send-email-gcosta@redhat.com> <1204564400-17636-34-git-send-email-gcosta@redhat.com> <1204564400-17636-35-git-send-email-gcosta@redhat.com> <1204564400-17636-36-git-send-email-gcosta@redhat.com> <1204564400-17636-37-git-send-email-gcosta@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2077 Lines: 69 it is already used in x86_64. In i386, it only removes from cpu_online_map Signed-off-by: Glauber Costa --- arch/x86/kernel/smpboot_32.c | 7 ++++++- arch/x86/kernel/smpboot_64.c | 8 +++----- 2 files changed, 9 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c index a58ca7f..4939b3a 100644 --- a/arch/x86/kernel/smpboot_32.c +++ b/arch/x86/kernel/smpboot_32.c @@ -1041,6 +1041,11 @@ void __init native_smp_prepare_boot_cpu(void) } #ifdef CONFIG_HOTPLUG_CPU +static void __ref remove_cpu_from_maps(int cpu) +{ + cpu_clear(cpu, cpu_online_map); +} + int __cpu_disable(void) { cpumask_t map = cpu_online_map; @@ -1066,7 +1071,7 @@ int __cpu_disable(void) remove_siblinginfo(cpu); - cpu_clear(cpu, map); + remove_cpu_from_maps(cpu); fixup_irqs(map); /* It's now safe to remove this processor from the online map */ cpu_clear(cpu, cpu_online_map); diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c index ca3a3c5..6509d3c 100644 --- a/arch/x86/kernel/smpboot_64.c +++ b/arch/x86/kernel/smpboot_64.c @@ -838,10 +838,9 @@ void __init native_smp_cpus_done(unsigned int max_cpus) } #ifdef CONFIG_HOTPLUG_CPU -static void __ref remove_cpu_from_maps(void) +static void __ref remove_cpu_from_maps(int cpu) { - int cpu = smp_processor_id(); - + cpu_clear(cpu, cpu_online_map); cpu_clear(cpu, cpu_callout_map); cpu_clear(cpu, cpu_callin_map); clear_bit(cpu, (unsigned long *)&cpu_initialized); /* was set by cpu_init() */ @@ -880,8 +879,7 @@ int __cpu_disable(void) remove_siblinginfo(cpu); /* It's now safe to remove this processor from the online map */ - cpu_clear(cpu, cpu_online_map); - remove_cpu_from_maps(); + remove_cpu_from_maps(cpu); fixup_irqs(cpu_online_map); return 0; } -- 1.5.0.6 -- 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/