sev.c (7318234c8d7c0f209f993ee46a7ea148efdb28b9) sev.c (88dca4ca5a93d2c09e5bbc6a62fbfc3af83c4fca)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Kernel-based Virtual Machine driver for Linux
4 *
5 * AMD SVM-SEV support
6 *
7 * Copyright 2010 Red Hat, Inc. and/or its affiliates.
8 */

--- 322 unchanged lines hidden (view full) ---

331 if (locked > lock_limit && !capable(CAP_IPC_LOCK)) {
332 pr_err("SEV: %lu locked pages exceed the lock limit of %lu.\n", locked, lock_limit);
333 return NULL;
334 }
335
336 /* Avoid using vmalloc for smaller buffers. */
337 size = npages * sizeof(struct page *);
338 if (size > PAGE_SIZE)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Kernel-based Virtual Machine driver for Linux
4 *
5 * AMD SVM-SEV support
6 *
7 * Copyright 2010 Red Hat, Inc. and/or its affiliates.
8 */

--- 322 unchanged lines hidden (view full) ---

331 if (locked > lock_limit && !capable(CAP_IPC_LOCK)) {
332 pr_err("SEV: %lu locked pages exceed the lock limit of %lu.\n", locked, lock_limit);
333 return NULL;
334 }
335
336 /* Avoid using vmalloc for smaller buffers. */
337 size = npages * sizeof(struct page *);
338 if (size > PAGE_SIZE)
339 pages = __vmalloc(size, GFP_KERNEL_ACCOUNT | __GFP_ZERO,
340 PAGE_KERNEL);
339 pages = __vmalloc(size, GFP_KERNEL_ACCOUNT | __GFP_ZERO);
341 else
342 pages = kmalloc(size, GFP_KERNEL_ACCOUNT);
343
344 if (!pages)
345 return NULL;
346
347 /* Pin the user virtual address. */
348 npinned = get_user_pages_fast(uaddr, npages, write ? FOLL_WRITE : 0, pages);

--- 843 unchanged lines hidden --- 		340 else
341 pages = kmalloc(size, GFP_KERNEL_ACCOUNT);
342
343 if (!pages)
344 return NULL;
345
346 /* Pin the user virtual address. */
347 npinned = get_user_pages_fast(uaddr, npages, write ? FOLL_WRITE : 0, pages);

--- 843 unchanged lines hidden ---