Store a reference to the created domain in struct boot_domain.

Signed-off-by: Daniel P. Smith <dpsmith@apertussolutions.com>
---
Changes since v5:
- moved back to using variable *d to hold domain reference locally
---
 xen/arch/x86/include/asm/bootdomain.h | 3 +++
 xen/arch/x86/setup.c                  | 4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/xen/arch/x86/include/asm/bootdomain.h b/xen/arch/x86/include/asm/bootdomain.h
index 00f7d9267965..2322c459e36a 100644
--- a/xen/arch/x86/include/asm/bootdomain.h
+++ b/xen/arch/x86/include/asm/bootdomain.h
@@ -10,6 +10,7 @@
 
 #include <public/xen.h>
 
+struct domain;
 struct boot_module;
 
 struct boot_domain {
@@ -19,6 +20,8 @@ struct boot_domain {
 
     struct boot_module *kernel;
     struct boot_module *ramdisk;
+
+    struct domain *d;
 };
 
 #endif
diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index 47b705097dd3..9423e999990a 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -1028,10 +1028,12 @@ static struct domain *__init create_dom0(struct boot_info *bi)
         }
     }
 
+    bd->d = d;
+
     if ( construct_dom0(d, bd->kernel, bd->ramdisk, bd->cmdline) != 0 )
         panic("Could not construct domain 0\n");
 
-    return d;
+    return bd->d;
 }
 
 /* How much of the directmap is prebuilt at compile time. */
-- 
2.30.2