diff options
| author |   Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2011-04-12 12:19:49 +0100 |
|---|---|---|
| committer |   Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-05-02 16:33:52 -0400 |
| commit | b9269dc7bfdf8c985971c09f2dcb2aa04ad7986d (patch) | |
| tree | 72c8c5cb8c49c02d304255eafa25eba5fa03292a /security | |
| parent | xen/mmu: Add workaround "x86-64, mm: Put early page table high" (diff) | |
| download | linux-dev-b9269dc7bfdf8c985971c09f2dcb2aa04ad7986d.tar.xz linux-dev-b9269dc7bfdf8c985971c09f2dcb2aa04ad7986d.zip | |
xen: mask_rw_pte mark RO all pagetable pages up to pgt_buf_top
mask_rw_pte is currently checking if a pfn is a pagetable page if it
falls in the range pgt_buf_start - pgt_buf_end but that is incorrect
because pgt_buf_end is a moving target: pgt_buf_top is the real
boundary.
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'security')
0 files changed, 0 insertions, 0 deletions