Revert "KVM: set owner of cpu and vm file operations"

This reverts commit 3d3aab1b973b01bd2a1aa46307e94a1380b1d802.

Now that the KVM module's lifetime is tied to kvm.users_count, there is
no need to also tie it's lifetime to the lifetime of the VM and vCPU
file descriptors.

Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: David Matlack <dmatlack@google.com>
Message-Id: <20220303183328.1499189-3-dmatlack@google.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 2447139..11267d5 100644 (file)
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3676,7 +3676,7 @@ static int kvm_vcpu_release(struct inode *inode, struct file *filp)
        return 0;
 }
 
-static struct file_operations kvm_vcpu_fops = {
+static const struct file_operations kvm_vcpu_fops = {
        .release        = kvm_vcpu_release,
        .unlocked_ioctl = kvm_vcpu_ioctl,
        .mmap           = kvm_vcpu_mmap,
@@ -4727,7 +4727,7 @@ static long kvm_vm_compat_ioctl(struct file *filp,
 }
 #endif
 
-static struct file_operations kvm_vm_fops = {
+static const struct file_operations kvm_vm_fops = {
        .release        = kvm_vm_release,
        .unlocked_ioctl = kvm_vm_ioctl,
        .llseek         = noop_llseek,
@@ -5734,8 +5734,6 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
                goto out_free_5;
 
        kvm_chardev_ops.owner = module;
-       kvm_vm_fops.owner = module;
-       kvm_vcpu_fops.owner = module;
 
        r = misc_register(&kvm_dev);
        if (r) {