xen: set num_processors

Someone's got to do it.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 800bb2191e2a37858f954fb27bc7c61cb25b8420..8310ca0ea3758d30179801ada96732bea302887f 100644 (file)
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -155,8 +155,10 @@ static void __init xen_fill_possible_map(void)
 
        for (i = 0; i < NR_CPUS; i++) {
                rc = HYPERVISOR_vcpu_op(VCPUOP_is_up, i, NULL);
-               if (rc >= 0)
+               if (rc >= 0) {
+                       num_processors++;
                        cpu_set(i, cpu_possible_map);
+               }
        }
 }