diff --git a/[refs] b/[refs]
index 3ead2ed462a0..ec3089e78afb 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 81088819d588ba4d2dce3bf083fafc91974b14e0
+refs/heads/master: 2651fa2bcb1a7b06793441d50dcbf98efda592c6
diff --git a/trunk/arch/s390/include/asm/perf_counter.h b/trunk/arch/s390/include/asm/perf_counter.h
index a7205a3828cb..7015188c2cc2 100644
--- a/trunk/arch/s390/include/asm/perf_counter.h
+++ b/trunk/arch/s390/include/asm/perf_counter.h
@@ -6,3 +6,5 @@
 
 static inline void set_perf_counter_pending(void) {}
 static inline void clear_perf_counter_pending(void) {}
+
+#define PERF_COUNTER_INDEX_OFFSET 0