Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757506AbYKEUC6 (ORCPT ); Wed, 5 Nov 2008 15:02:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757282AbYKET63 (ORCPT ); Wed, 5 Nov 2008 14:58:29 -0500 Received: from mx2.redhat.com ([66.187.237.31]:41449 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757089AbYKET6K (ORCPT ); Wed, 5 Nov 2008 14:58:10 -0500 From: Eduardo Habkost To: Avi Kivity , Ingo Molnar Cc: "Eric W. Biederman" , Simon Horman , Andrew Morton , Vivek Goyal , Haren Myneni , Andrey Borzenkov , mingo@redhat.com, "Rafael J. Wysocki" , kexec@lists.infradead.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Eduardo Habkost Subject: [PATCH 02/15] x86 kdump: Move crashing_cpu assignment to nmi_shootdown_cpus() Date: Wed, 5 Nov 2008 17:56:45 -0200 Message-Id: <1225915018-6548-3-git-send-email-ehabkost@redhat.com> In-Reply-To: <1225915018-6548-1-git-send-email-ehabkost@redhat.com> References: <1225915018-6548-1-git-send-email-ehabkost@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1672 Lines: 51 This variable will be moved to non-kdump-specific code. Signed-off-by: Eduardo Habkost --- arch/x86/kernel/crash.c | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c index d82ac72..a70c1c6 100644 --- a/arch/x86/kernel/crash.c +++ b/arch/x86/kernel/crash.c @@ -29,10 +29,11 @@ #include +#if defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC) + /* This keeps a track of which one is crashing cpu. */ static int crashing_cpu; -#if defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC) static atomic_t waiting_for_crash_ipi; static void kdump_nmi_callback(int cpu, struct die_args *args) @@ -97,6 +98,9 @@ static void nmi_shootdown_cpus(void) { unsigned long msecs; + /* Make a note of crashing cpu. Will be used in NMI callback.*/ + crashing_cpu = safe_smp_processor_id(); + atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1); /* Would it be better to replace the trap vector here? */ if (register_die_notifier(&crash_nmi_nb)) @@ -137,8 +141,6 @@ void native_machine_crash_shutdown(struct pt_regs *regs) /* The kernel is broken so disable interrupts */ local_irq_disable(); - /* Make a note of crashing cpu. Will be used in NMI callback.*/ - crashing_cpu = safe_smp_processor_id(); nmi_shootdown_cpus(); lapic_shutdown(); #if defined(CONFIG_X86_IO_APIC) -- 1.5.5.GIT -- 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/