1 files changed, 5 insertions, 0 deletions

diff --git a/arch/i386/xen/setup.c b/arch/i386/xen/setup.c
index 7da93ee612f6..18a994d5a4c5 100644
--- a/arch/i386/xen/setup.c
+++ b/arch/i386/xen/setup.c
@@ -94,4 +94,9 @@ void __init xen_arch_setup(void)
                COMMAND_LINE_SIZE : MAX_GUEST_CMDLINE);
 
         pm_idle = xen_idle;
+
+#ifdef CONFIG_SMP
+        /* fill cpus_possible with all available cpus */
+        xen_fill_possible_map();
+#endif
 }