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authorAl Viro <viro@ZenIV.linux.org.uk>2008-04-19 15:33:56 -0400
committerAvi Kivity <avi@qumranet.com>2008-04-27 11:21:46 -0400
commit66c0b394f08fd89236515c1c84485ea712a157be (patch)
treebb6e9e5c0d6297f93617d222ea11f3c134ccab99 /include/linux/kvm_host.h
parent960b3991698872f68f09d51f4c2794ad484fe1fd (diff)
KVM: kill file->f_count abuse in kvm
Use kvm own refcounting instead of playing with ->filp->f_count. That will allow to get rid of a lot of crap in anon_inode_getfd() and kill a race in kvm_dev_ioctl_create_vm() (file might have been closed immediately by another thread, so ->filp might point to already freed struct file when we get around to setting it). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'include/linux/kvm_host.h')
-rw-r--r--include/linux/kvm_host.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 4e16682ee8bb..398978972b7a 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -110,7 +110,6 @@ struct kvm {
110 KVM_PRIVATE_MEM_SLOTS]; 110 KVM_PRIVATE_MEM_SLOTS];
111 struct kvm_vcpu *vcpus[KVM_MAX_VCPUS]; 111 struct kvm_vcpu *vcpus[KVM_MAX_VCPUS];
112 struct list_head vm_list; 112 struct list_head vm_list;
113 struct file *filp;
114 struct kvm_io_bus mmio_bus; 113 struct kvm_io_bus mmio_bus;
115 struct kvm_io_bus pio_bus; 114 struct kvm_io_bus pio_bus;
116 struct kvm_vm_stat stat; 115 struct kvm_vm_stat stat;