xen p2m: transparently change the p2m mappings in the m2p override

Browse source

In m2p_add_override store the original mfn into page->index and then
change the p2m mapping, setting mfns as FOREIGN_FRAME.

In m2p_remove_override restore the original mapping.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

...

This commit is contained in:

Stefano Stabellini 2010-12-10 14:52:45 +00:00 • committed by Konrad Rzeszutek Wilk

parent f0a70c882e

commit 9b705f0e98

1 changed files with 12 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

12

arch/x86/xen/p2m.c

View file