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-rw-r--r--arch/arm/xen/enlighten.c7
-rw-r--r--include/xen/interface/features.h3
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 6a0217d4e662..c2a47a724870 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -1,6 +1,7 @@
#include <xen/xen.h>
#include <xen/interface/xen.h>
#include <xen/interface/memory.h>
+#include <xen/features.h>
#include <xen/platform_pci.h>
#include <asm/xen/hypervisor.h>
#include <asm/xen/hypercall.h>
@@ -66,6 +67,12 @@ static int __init xen_guest_init(void)
}
xen_domain_type = XEN_HVM_DOMAIN;
+ xen_setup_features();
+ if (xen_feature(XENFEAT_dom0))
+ xen_start_info->flags |= SIF_INITDOMAIN|SIF_PRIVILEGED;
+ else
+ xen_start_info->flags &= ~(SIF_INITDOMAIN|SIF_PRIVILEGED);
+
if (!shared_info_page)
shared_info_page = (struct shared_info *)
get_zeroed_page(GFP_KERNEL);
diff --git a/include/xen/interface/features.h b/include/xen/interface/features.h
index b6ca39a069d8..131a6ccdba25 100644
--- a/include/xen/interface/features.h
+++ b/include/xen/interface/features.h
@@ -50,6 +50,9 @@
/* x86: pirq can be used by HVM guests */
#define XENFEAT_hvm_pirqs 10
+/* operation as Dom0 is supported */
+#define XENFEAT_dom0 11
+
#define XENFEAT_NR_SUBMAPS 1
#endif /* __XEN_PUBLIC_FEATURES_H__ */