Index: src/benchmark/bench.h
===================================================================
--- src/benchmark/bench.h	(revision f73f5f4a43b47e13dccd89c1a9c48780a30c1986)
+++ src/benchmark/bench.h	(revision 7286a408f438c0c5bd18219b01d3b4db4693234f)
@@ -26,2 +26,6 @@
 #define N 10000000
 #endif
+
+unsigned int default_preemption() {
+	return 0;
+}
Index: src/benchmark/csv-data.c
===================================================================
--- src/benchmark/csv-data.c	(revision f73f5f4a43b47e13dccd89c1a9c48780a30c1986)
+++ src/benchmark/csv-data.c	(revision 7286a408f438c0c5bd18219b01d3b4db4693234f)
@@ -25,8 +25,4 @@
 }
 
-#ifndef N
-#define N 100000000
-#endif
-
 //-----------------------------------------------------------------------------
 // coroutine context switch
@@ -100,5 +96,5 @@
 mon_t mon1;
 
-condition cond1a; 
+condition cond1a;
 condition cond1b;
 
@@ -148,5 +144,5 @@
 mon_t mon2;
 
-condition cond2a; 
+condition cond2a;
 condition cond2b;