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Message-Id: <20070219102251.A2C7525016B@il.qumranet.com>
Date: Mon, 19 Feb 2007 10:22:51 -0000
From: Avi Kivity <avi@...ranet.com>
To: kvm-devel@...ts.sourceforge.net
Cc: linux-kernel@...r.kernel.org, akpm@...l.org, mingo@...e.hu
Subject: [PATCH 2/13] KVM: Move virtualization deactivation from CPU_DEAD
state to CPU_DOWN_PREPARE
From: Jeremy Katz <katzj@...hat.com>
This gives it more chances of surviving suspend.
Signed-off-by: Jeremy Katz <katzj@...hat.com>
Signed-off-by: Avi Kivity <avi@...ranet.com>
Index: linux-2.6/drivers/kvm/kvm_main.c
===================================================================
--- linux-2.6.orig/drivers/kvm/kvm_main.c
+++ linux-2.6/drivers/kvm/kvm_main.c
@@ -2080,13 +2080,17 @@ static int kvm_cpu_hotplug(struct notifi
int cpu = (long)v;
switch (val) {
- case CPU_DEAD:
+ case CPU_DOWN_PREPARE:
case CPU_UP_CANCELED:
+ printk(KERN_INFO "kvm: disabling virtualization on CPU%d\n",
+ cpu);
decache_vcpus_on_cpu(cpu);
smp_call_function_single(cpu, kvm_arch_ops->hardware_disable,
NULL, 0, 1);
break;
- case CPU_UP_PREPARE:
+ case CPU_ONLINE:
+ printk(KERN_INFO "kvm: enabling virtualization on CPU%d\n",
+ cpu);
smp_call_function_single(cpu, kvm_arch_ops->hardware_enable,
NULL, 0, 1);
break;
-
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