Claude review: drm/vkms: Constify struct configfs_item_operations and configfs_group_operations

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Overall Series Review

Subject: drm/vkms: Constify struct configfs_item_operations and configfs_group_operations
Author: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Patches: 1
Reviewed: 2026-05-26T07:16:38.236375

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This is a single-patch cleanup that adds `const` qualifiers to all `struct configfs_item_operations` and `struct configfs_group_operations` instances in the vkms configfs driver. The change is trivially correct, well-motivated, and a net positive for security and code hygiene.

The `config_item_type` structure in `include/linux/configfs.h:67-68` already declares these fields as `const` pointers:

```c
const struct configfs_item_operations    *ct_item_ops;
const struct configfs_group_operations   *ct_group_ops;
```

So the framework explicitly expects and supports `const` here. Other subsystems (e.g., USB gadget configfs) already use `const` for these structures. The commit message is clear, includes before/after size data showing the expected text/data shift (~992 bytes moved from writable data to read-only text), and notes it was compile-tested.

**Verdict: Patch looks good. No issues found.**

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