you need the following two patches to compile ivan's kernel:
diff --git a/arch/arm/mach-msm/perf_trace_counters.h b/arch/arm/mach-msm/perf_trace_counters.h
index c90593f..8cecd32 100644
--- a/arch/arm/mach-msm/perf_trace_counters.h
+++ b/arch/arm/mach-msm/perf_trace_counters.h
@@ -158,7 +158,7...