This was checking presence of the wrong (old) ELF note. I don't really
understand how this failed consistently only for one of the xen-boot
tests...

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

--- a/xen/arch/ia64/xen/domain.c
+++ b/xen/arch/ia64/xen/domain.c
@@ -2164,7 +2164,7 @@ int __init construct_dom0(struct domain 
 		return -1;
 	}
 
-	if (parms.elf_notes[XEN_ELFNOTE_FEATURES].type != XEN_ENT_NONE &&
+	if (parms.elf_notes[XEN_ELFNOTE_SUPPORTED_FEATURES].type != XEN_ENT_NONE &&
 	    !test_bit(XENFEAT_dom0, parms.f_supported))
 	{
 		printk("Kernel does not support Dom0 operation\n");
--- a/xen/arch/x86/domain_build.c
+++ b/xen/arch/x86/domain_build.c
@@ -415,7 +415,7 @@ int __init construct_dom0(
         return -EINVAL;
     }
 
-    if ( parms.elf_notes[XEN_ELFNOTE_FEATURES].type != XEN_ENT_NONE &&
+    if ( parms.elf_notes[XEN_ELFNOTE_SUPPORTED_FEATURES].type != XEN_ENT_NONE &&
          !test_bit(XENFEAT_dom0, parms.f_supported) )
     {
         printk("Kernel does not support Dom0 operation\n");