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-rw-r--r--virt/kvm/kvm_main.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index e1f2bf8..a944be3 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -64,7 +64,7 @@ MODULE_LICENSE("GPL");
/*
* Ordering of locks:
*
- * kvm->slots_lock --> kvm->lock --> kvm->irq_lock
+ * kvm->lock --> kvm->slots_lock --> kvm->irq_lock
*/
DEFINE_SPINLOCK(kvm_lock);
@@ -406,8 +406,11 @@ static struct kvm *kvm_create_vm(void)
out:
return kvm;
+#if defined(KVM_COALESCED_MMIO_PAGE_OFFSET) || \
+ (defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER))
out_err:
hardware_disable_all();
+#endif
out_err_nodisable:
kfree(kvm);
return ERR_PTR(r);
@@ -1177,7 +1180,7 @@ static struct file_operations kvm_vcpu_fops = {
*/
static int create_vcpu_fd(struct kvm_vcpu *vcpu)
{
- return anon_inode_getfd("kvm-vcpu", &kvm_vcpu_fops, vcpu, 0);
+ return anon_inode_getfd("kvm-vcpu", &kvm_vcpu_fops, vcpu, O_RDWR);
}
/*
@@ -1638,7 +1641,7 @@ static int kvm_dev_ioctl_create_vm(void)
kvm = kvm_create_vm();
if (IS_ERR(kvm))
return PTR_ERR(kvm);
- fd = anon_inode_getfd("kvm-vm", &kvm_vm_fops, kvm, 0);
+ fd = anon_inode_getfd("kvm-vm", &kvm_vm_fops, kvm, O_RDWR);
if (fd < 0)
kvm_put_kvm(kvm);