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From: Eduardo Habkost <ehabkost@redhat.com>
To: Avi Kivity <avi@redhat.com>, Ingo Molnar <mingo@elte.hu>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Simon Horman <horms@verge.net.au>, Andrew Morton <akpm@osdl.org>,
Vivek Goyal <vgoyal@redhat.com>, Haren Myneni <hbabu@us.ibm.com>,
Andrey Borzenkov <arvidjaar@mail.ru>,
mingo@redhat.com, "Rafael J. Wysocki" <rjw@sisk.pl>,
kexec@lists.infradead.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org,
Eduardo Habkost <ehabkost@redhat.com>
Subject: [PATCH 02/15] x86 kdump: Move crashing_cpu assignment to nmi_shootdown_cpus()
Date: Wed, 5 Nov 2008 17:56:45 -0200 [thread overview]
Message-ID: <1225915018-6548-3-git-send-email-ehabkost@redhat.com> (raw)
In-Reply-To: <1225915018-6548-1-git-send-email-ehabkost@redhat.com>
This variable will be moved to non-kdump-specific code.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
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 <mach_ipi.h>
+#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
next prev parent reply other threads:[~2008-11-05 20:02 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-05 19:56 [PATCH 00/15] x86: disable virt on kdump and emergency_restart (v2) Eduardo Habkost
2008-11-05 19:56 ` [PATCH 01/15] x86 kdump: Extract kdump-specific code from crash_nmi_callback() Eduardo Habkost
2008-11-05 19:56 ` Eduardo Habkost [this message]
2008-11-05 19:56 ` [PATCH 03/15] x86 kdump: Create kdump_nmi_shootdown_cpus() Eduardo Habkost
2008-11-05 19:56 ` [PATCH 04/15] x86 kdump: Make kdump_nmi_callback() a function ptr on crash_nmi_callback() Eduardo Habkost
2008-11-05 19:56 ` [PATCH 05/15] x86 kdump: Make nmi_shootdown_cpus() non-static Eduardo Habkost
2008-11-05 19:56 ` [PATCH 06/15] x86: Move nmi_shootdown_cpus() to reboot.c Eduardo Habkost
2008-11-05 19:56 ` [PATCH 07/15] x86: Make nmi_shootdown_cpus() available on !SMP and !X86_LOCAL_APIC Eduardo Habkost
2008-11-05 19:56 ` [PATCH 08/15] x86: Disable IRQs before doing anything on nmi_shootdown_cpus() Eduardo Habkost
2008-11-05 19:56 ` [PATCH 09/15] x86: Emergency virtualization disable function Eduardo Habkost
2008-11-05 22:27 ` Pavel Machek
2008-11-06 15:34 ` Eduardo Habkost
2008-11-06 18:11 ` Pavel Machek
2008-11-05 19:56 ` [PATCH 10/15] kdump: Hook emergency_virt_disable() on crash shutdown code Eduardo Habkost
2008-11-05 19:56 ` [PATCH 11/15] x86: disable virtualization on all CPUs if needed, on emergency_restart Eduardo Habkost
2008-11-05 19:56 ` [PATCH 12/15] kvm: svm: no-parameters version of svm_hardware_disable() Eduardo Habkost
2008-11-05 19:56 ` [PATCH 13/15] kvm: svm: register virt_disable function on hardware_setup Eduardo Habkost
2008-11-05 19:56 ` [PATCH 14/15] kvm: vmx: crash_hardware_disable function Eduardo Habkost
2008-11-05 19:56 ` [PATCH 15/15] Revert "x86: default to reboot via ACPI" Eduardo Habkost
2008-11-06 7:14 ` Ingo Molnar
2008-11-06 12:40 ` Eduardo Habkost
2008-11-06 14:30 ` Ingo Molnar
2008-11-06 15:06 ` Ingo Molnar
2008-11-06 15:41 ` Eric W. Biederman
2008-11-06 15:52 ` Avi Kivity
2008-11-06 15:53 ` Andrey Borzenkov
2008-11-06 19:50 ` Len Brown
2008-11-06 21:50 ` Matthew Garrett
2008-11-06 22:17 ` Len Brown
2008-11-06 23:24 ` Matthew Garrett
2008-11-07 1:01 ` Zhao Yakui
2008-11-07 0:59 ` Matthew Garrett
2008-11-09 10:11 ` Avi Kivity
2008-11-09 10:24 ` Matthew Garrett
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