1 files changed, 2 insertions, 1 deletions

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 2a4add9634ce..010ba2e62de5 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -200,7 +200,8 @@ char * __init xen_memory_setup(void)
                          * used as potential resource for I/O address (happens
                          * when 'allocate_resource' is called).
                          */
-                        if (delta && end < 0x100000000UL)
+                        if (delta &&
+                                (xen_initial_domain() && end < 0x100000000ULL))
                                 e820_add_region(end, delta, E820_UNUSABLE);
                 }