diff options
| author | Jeremy Fitzhardinge <jeremy@xensource.com> | 2007-07-18 03:37:05 +0200 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2007-07-18 17:47:43 +0200 |
| commit | 9a4029fd3409eb224eb62c32d9792071382694ec (patch) | |
| tree | 04a8f54abadf6a3c8afff3281b120108c4e33d45 /drivers/usb/image | |
| parent | xen: Complete pagetable pinning (diff) | |
| download | linux-9a4029fd3409eb224eb62c32d9792071382694ec.tar.xz linux-9a4029fd3409eb224eb62c32d9792071382694ec.zip | |
xen: ignore RW mapping of RO pages in pagetable_init
When setting up the initial pagetable, which includes mappings of all
low physical memory, ignore a mapping which tries to set the RW bit on
an RO pte. An RO pte indicates a page which is part of the current
pagetable, and so it cannot be allowed to become RW.
Once xen_pagetable_setup_done is called, set_pte reverts to its normal
behaviour.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Acked-by: Chris Wright <chrisw@sous-sol.org>
Cc: ebiederm@xmission.com (Eric W. Biederman)
Diffstat (limited to 'drivers/usb/image')
0 files changed, 0 insertions, 0 deletions