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| author |   Juergen Gross <jgross@suse.com> | 2022-03-07 09:48:55 +0100 |
|---|---|---|
| committer | Juergen Gross <jgross@suse.com> | 2022-03-07 09:48:55 +0100 |
| commit | b0576cc9c6b843d99c6982888d59a56209341888 (patch) | |
| tree | a1d13c5d27cdcfa83e148bfde177ee9a37e054bb /include/xen | |
| parent | xen/9p: use alloc/free_pages_exact() (diff) | |
| download | linux-dev-b0576cc9c6b843d99c6982888d59a56209341888.tar.xz linux-dev-b0576cc9c6b843d99c6982888d59a56209341888.zip | |
xen/pvcalls: use alloc/free_pages_exact()
Instead of __get_free_pages() and free_pages() use alloc_pages_exact()
and free_pages_exact(). This is in preparation of a change of
gnttab_end_foreign_access() which will prohibit use of high-order
pages.
This is part of CVE-2022-23041 / XSA-396.
Reported-by: Simon Gaiser <simon@invisiblethingslab.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
---
V4:
- new patch
Diffstat (limited to 'include/xen')
0 files changed, 0 insertions, 0 deletions