[PATCH 2/9] KVM: Initialize vcpu->kvm a little earlier

Fixes oops on early close of /dev/kvm.

Signed-off-by: Avi Kivity <[email protected]>

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
@@ -230,6 +230,7 @@ static int kvm_dev_open(struct inode *in
 		struct kvm_vcpu *vcpu = &kvm->vcpus[i];
 
 		mutex_init(&vcpu->mutex);
+		vcpu->kvm = kvm;
 		vcpu->mmu.root_hpa = INVALID_PAGE;
 		INIT_LIST_HEAD(&vcpu->free_pages);
 	}
@@ -530,7 +531,6 @@ static int kvm_dev_ioctl_create_vcpu(str
 	vcpu->guest_fx_image = vcpu->host_fx_image + FX_IMAGE_SIZE;
 
 	vcpu->cpu = -1;  /* First load will set up TR */
-	vcpu->kvm = kvm;
 	r = kvm_arch_ops->vcpu_create(vcpu);
 	if (r < 0)
 		goto out_free_vcpus;
-
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---

• References:
  • [PATCH 0/9] KVM: Flush out my patch queue
    • From: Avi Kivity <[email protected]>

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