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

From: Avi Kivity
Date: Fri Jan 05 2007 - 02:52:10 EST


Fixes oops on early close of /dev/kvm.

Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>

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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