1 files changed, 4 insertions, 0 deletions

diff --git a/include/asm-um/smp.h b/include/asm-um/smp.h
index ca552261ed1..84f8cf29324 100644
--- a/include/asm-um/smp.h
+++ b/include/asm-um/smp.h
@@ -24,6 +24,10 @@ extern inline void smp_cpus_done(unsigned int maxcpus)
 
 extern struct task_struct *idle_threads[NR_CPUS];
 
+#else
+
+#define hard_smp_processor_id()         0
+
 #endif
 
 #endif