passthrough: Turn on IOMMU/HAP pagetable sharing by default.

Signed-off-by: Tim Deegan <tim@xen.org>

diff --git a/xen/drivers/passthrough/iommu.c b/xen/drivers/passthrough/iommu.c
index be5cb246bfb2d6c590997154410e2ad41d36d4ca..44d55ef84f1a93c582b0169a0272e9c231b3f5a0 100644 (file)
--- a/xen/drivers/passthrough/iommu.c
+++ b/xen/drivers/passthrough/iommu.c
@@ -47,7 +47,7 @@ bool_t __read_mostly iommu_passthrough;
 bool_t __read_mostly iommu_snoop = 1;
 bool_t __read_mostly iommu_qinval = 1;
 bool_t __read_mostly iommu_intremap = 1;
-bool_t __read_mostly iommu_hap_pt_share;
+bool_t __read_mostly iommu_hap_pt_share = 1;
 bool_t __read_mostly iommu_debug;
 bool_t __read_mostly iommu_amd_perdev_vector_map = 1;
 bool_t __read_mostly amd_iommu_perdev_intremap;