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-rw-r--r--doc/go1.8.html7
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/go1.8.html b/doc/go1.8.html
index 83556521fa..de92e92355 100644
--- a/doc/go1.8.html
+++ b/doc/go1.8.html
@@ -631,6 +631,13 @@ now implements the new
<a href="/pkg/runtime/#SetMutexProfileFraction"><code>SetMutexProfileFraction</code></a>.
</p>
+<p>
+ A known limitation for Go 1.8 is that the profile only reports contention for
+ <a href="/pkg/sync/#Mutex"><code>sync.Mutex</code></a>,
+ not
+ <a href="/pkg/sync/#RWMutex"><code>sync.RWMutex</code></a>.
+</p>
+
<h3 id="minor_library_changes">Minor changes to the library</h3>
<p>