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[Xen-changelog] [xen-unstable] EPT/VT-d: disable page sharing by default.



# HG changeset patch
# User Keir Fraser <keir@xxxxxxx>
# Date 1292955046 0
# Node ID 2f4b4521ff73c79722df74ff203be0aae9624fdc
# Parent  b5418c045d029e8bf5eadfd4e1ef0b1822da7186
EPT/VT-d: disable page sharing by default.

Currently sharing these page tables causes a hang on boot on some
hardware. Disable by default until this is resolved.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 xen/drivers/passthrough/vtd/iommu.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r b5418c045d02 -r 2f4b4521ff73 xen/drivers/passthrough/vtd/iommu.c
--- a/xen/drivers/passthrough/vtd/iommu.c       Tue Dec 21 18:09:34 2010 +0000
+++ b/xen/drivers/passthrough/vtd/iommu.c       Tue Dec 21 18:10:46 2010 +0000
@@ -45,7 +45,7 @@
 #define nr_ioapics              iosapic_get_nr_iosapics()
 #endif
 
-static int sharept = 1;
+static int sharept = 0;
 boolean_param("sharept", sharept);
 
 int nr_iommus;

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