From 0b6cfea6342a7d95f74bc9e273039236ebd7e64f Mon Sep 17 00:00:00 2001
From: Cherry Zhang <cherryyz@google.com>
Date: Thu, 28 Jan 2021 12:19:49 -0500
Subject: doc/go1.16: document that on OpenBSD syscalls are now made through
 libc

Updates #36435, #40700.

Change-Id: I1e2ded111ad58066cc9f2c9d00e719497b0f34d8
Reviewed-on: https://go-review.googlesource.com/c/go/+/287634
Trust: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Joel Sing <joel@sing.id.au>
---
 doc/go1.16.html | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/doc/go1.16.html b/doc/go1.16.html
index fc01a5f5091..8d31f63fa2a 100644
--- a/doc/go1.16.html
+++ b/doc/go1.16.html
@@ -80,6 +80,16 @@ Do not send CLs removing the interior tags from such phrases.
   support cgo.
 </p>
 
+<p><!-- golang.org/issue/36435, many CLs -->
+  On the 64-bit x86 and 64-bit ARM architectures on OpenBSD (the
+  <code>openbsd/amd64</code> and <code>openbsd/arm64</code> ports), system
+  calls are now made through <code>libc</code>, instead of directly using
+  the <code>SYSCALL</code>/<code>SVC</code> instruction. This ensures
+  forward-compatibility with future versions of OpenBSD. In particular,
+  OpenBSD 6.9 onwards will require system calls to be made through
+  <code>libc</code> for non-static Go binaries.
+</p>
+
 <h3 id="386">386</h3>
 
 <p><!-- golang.org/issue/40255, golang.org/issue/41848, CL 258957, and CL 260017 -->
-- 
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