From d6b9a03b7f6f158c470405e2e4d6a68dcd094a95 Mon Sep 17 00:00:00 2001
From: Dmitriy Vyukov <dvyukov@google.com>
Date: Tue, 6 Nov 2012 12:09:40 +0400
Subject: [PATCH] =?UTF-8?q?runtime:=20disable=20parallel=20for=20tests=20u?=
 =?UTF-8?q?nder=20race=20detector.=20The=20race=20detector=20does=20not=20?=
 =?UTF-8?q?understand=20ParFor=20synchronization,=20because=20it's=20imple?=
 =?UTF-8?q?mented=20in=20C.=20If=20run=20with=20-cpu=3D2=20currently=20rac?=
 =?UTF-8?q?e=20detector=20says:=20=20WARNING:=20DATA=20RACE=20=20Read=20by?=
 =?UTF-8?q?=20goroutine=205:=20=20=20runtime=5Ftest.TestParForParallel()?=
 =?UTF-8?q?=20=20=20=20=20=20=20src/pkg/runtime/parfor=5Ftest.go:118=20+0x?=
 =?UTF-8?q?2e0=20=20=20testing.tRunner()=20=20=20=20=20=20=20src/pkg/testi?=
 =?UTF-8?q?ng/testing.go:301=20+0x8f=20=20Previous=20write=20by=20goroutin?=
 =?UTF-8?q?e=206:=20=20=20runtime=5Ftest.func=C2=B7024()=20=20=20=20=20=20?=
 =?UTF-8?q?=20src/pkg/runtime/parfor=5Ftest.go:111=20+0x52?=
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R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6811082
---
 src/pkg/runtime/parfor_test.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/pkg/runtime/parfor_test.go b/src/pkg/runtime/parfor_test.go
index 0547db0209..7644354ab3 100644
--- a/src/pkg/runtime/parfor_test.go
+++ b/src/pkg/runtime/parfor_test.go
@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// The race detector does not understand ParFor synchronization.
+// +build !race
+
 package runtime_test
 
 import (