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authorAl Viro <viro@ZenIV.linux.org.uk>2008-04-19 20:33:56 +0100
committerAvi Kivity <avi@qumranet.com>2008-04-27 18:21:46 +0300
commit66c0b394f08fd89236515c1c84485ea712a157be (patch)
treebb6e9e5c0d6297f93617d222ea11f3c134ccab99 /include
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')
-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 4e16682ee8b..398978972b7 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -110,7 +110,6 @@ struct kvm {
KVM_PRIVATE_MEM_SLOTS];
struct kvm_vcpu *vcpus[KVM_MAX_VCPUS];
struct list_head vm_list;
- struct file *filp;
struct kvm_io_bus mmio_bus;
struct kvm_io_bus pio_bus;
struct kvm_vm_stat stat;