From 66cbff59a16017234ea6c80ecddfc17b27a83504 Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Sat, 17 Apr 2010 17:00:19 +0800 Subject: [PATCH] KVM: do not call hardware_disable() on CPU_UP_CANCELED When CPU_UP_CANCELED, hardware_enable() has not been called at the CPU which is going up because raw_notifier_call_chain(CPU_ONLINE) has not been called for this cpu. Drop the handling for CPU_UP_CANCELED. Signed-off-by: Lai Jiangshan Signed-off-by: Avi Kivity --- virt/kvm/kvm_main.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 4901ec5..6dc9404 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1931,11 +1931,6 @@ static int kvm_cpu_hotplug(struct notifier_block *notifier, unsigned long val, cpu); hardware_disable(NULL); break; - case CPU_UP_CANCELED: - printk(KERN_INFO "kvm: disabling virtualization on CPU%d\n", - cpu); - smp_call_function_single(cpu, hardware_disable, NULL, 1); - break; case CPU_ONLINE: printk(KERN_INFO "kvm: enabling virtualization on CPU%d\n", cpu); -- 2.7.4