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680142
2007 Apr 18
2
[PATCH 3/3] Gdt page isolation
Make GDT page aligned and page padded to support running inside of a
hypervisor. This prevents false sharing of the GDT page with other
hot data, which is not allowed in Xen, and causes performance problems
in VMware.
Rather than go back to the old method of statically allocating the
GDT (which wastes unneded space for non-present CPUs), the GDT for
APs is allocated dynamically.
Signed-off-by: