x86: add SSE-based copy_page()

In top of the highmem asstance hypercalls added earlier, this provides
a performance improvement of another 12% (measured on Xeon E5345) for
the page copying case.

Signed-off-by: Jan Beulich <jbeulich@novell.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/xen/arch/x86/Makefile b/xen/arch/x86/Makefile
index eb9dd08f47..60ec345073 100644
--- a/xen/arch/x86/Makefile
+++ b/xen/arch/x86/Makefile
@@ -11,6 +11,7 @@ subdir-$(x86_64) += x86_64
 obj-y += apic.o
 obj-y += bitops.o
 obj-y += clear_page.o
+obj-y += copy_page.o
 obj-y += compat.o
 obj-y += delay.o
 obj-y += dmi_scan.o