+int make_hva_secure(struct mm_struct *mm, unsigned long hva, struct uv_cb_header *uvcb)
+{
+ struct folio *folio;
+ spinlock_t *ptelock;
+ pte_t *ptep;
+ int rc;
+
+ ptep = get_locked_valid_pte(mm, hva, &ptelock);
+ if (!ptep)
+ return -ENXIO;
You very likely need a pte_write() check we had there before, as you might effectively modify page content by clearing the page.
-- Cheers, David / dhildenb
