[RFC 15/38] x86/hyperlaunch: move iommu init to domain builder

["Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>]

Move invocation of iommu_hwdom_init() to dom_construct_pvh() and guard it
with a hardware domain check.

Signed-off-by: Daniel P. Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>
---
 xen/arch/x86/hvm/dom0_build.c | 2 --
 xen/arch/x86/hvm/dom_build.c  | 4 ++++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/xen/arch/x86/hvm/dom0_build.c b/xen/arch/x86/hvm/dom0_build.c
index 4a371dfd66d7..a68474b7856a 100644
--- a/xen/arch/x86/hvm/dom0_build.c
+++ b/xen/arch/x86/hvm/dom0_build.c
@@ -1305,8 +1305,6 @@ int __init dom0_construct_pvh(struct boot_domain *bd)
     struct domain *d = bd->d;
     int rc;
 
-    iommu_hwdom_init(d);
-
     rc = pvh_populate_p2m(d);
     if ( rc )
     {
diff --git a/xen/arch/x86/hvm/dom_build.c b/xen/arch/x86/hvm/dom_build.c
index 05064ae9ba96..7fa007a6926d 100644
--- a/xen/arch/x86/hvm/dom_build.c
+++ b/xen/arch/x86/hvm/dom_build.c
@@ -9,6 +9,7 @@
  */
 
 #include <xen/acpi.h>
+#include <xen/iommu.h>
 #include <xen/init.h>
 #include <xen/softirq.h>
 #include <xen/types.h>
@@ -92,6 +93,9 @@ int __init dom_construct_pvh(struct boot_domain *bd)
      */
     pvh_init_p2m(bd);
 
+    if ( is_hardware_domain(bd->d) )
+        iommu_hwdom_init(bd->d);
+
     return dom0_construct_pvh(bd);
 }
 
-- 
2.30.2