Xen devel - Dec 2005 - [PATCH]Don''t unshadow current used shadow L2 table.

# HG changeset patch
# User Xiaofeng Ling <xiaofeng.ling@intel.com>
# Node ID cc6e19224d0b755d24358cd15d1a40f894d320b4
# Parent  b215584242c43415eccd008b90c812f3d04b398d
Don''t unshadow when the shadow l2 is the current used shadow table.
Otherwise, when destorying the domain, if the current sl2 is unpinned,
the shadow page will be freed without accquire the shadow_lock.
This may also improve the performance due to avoiding uncessary
unshadow.

Signed-off-by: Xiaofeng Ling <xiaofeng.ling@intel.com>


_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel