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xen p2m: transparently change the p2m mappings in the m2p override
authorStefano Stabellini <stefano.stabellini@eu.citrix.com>
Fri, 10 Dec 2010 14:52:45 +0000 (14:52 +0000)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tue, 11 Jan 2011 19:31:53 +0000 (14:31 -0500)
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>
arch/x86/xen/p2m.c patch | blob | history

diff --cc arch/x86/xen/p2m.c
Simple merge
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