[PATCH] x86: log non-responding CPUs in fatal_trap()

[Jan Beulich]

This eases recognizing that something odd is going on.

Signed-off-by: Jan Beulich <jbeul...@suse.com>

--- a/xen/arch/x86/traps.c
+++ b/xen/arch/x86/traps.c
@@ -845,6 +845,9 @@ void fatal_trap(const struct cpu_user_re
                     msecs = 10;
                 }
             }
+            if ( pending )
+                printk("Non-responding CPUs: %*pbl\n",
+                       CPUMASK_PR(&show_state_mask));
         }
     }