Index: linux-2.6.23/arch/mips/kernel/gdb-stub.c
===================================================================
--- linux-2.6.23.orig/arch/mips/kernel/gdb-stubc.c	2007-10-12 18:43:44.000000000 +0200
+++ linux-2.6.23/arch/mips/kernel/gdb-stub.c   2007-11-16 08:35:51.000000000 +0100
@@ -656,6 +656,7 @@
        *epc = (unsigned long)async_breakpoint;
 }

+#ifdef CONFIG_SMP
 static void kgdb_wait(void *arg)
 {
        unsigned flags;
@@ -668,6 +669,7 @@

        local_irq_restore(flags);
 }
+#endif

 /*
  * GDB stub needs to call kgdb_wait on all processor with interrupts