From ebae2191622122a9d2fb321be65089bbb228a1e6 Mon Sep 17 00:00:00 2001
From: Michael Pratt <mpratt@google.com>
Date: Sat, 5 May 2018 00:26:55 -0700
Subject: [PATCH] Note architecture and Linux version requirements

PiperOrigin-RevId: 195522238
Change-Id: I0107f856bea72ea6af8b196c1c13bafbc293ce95
---
 README.md | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index a4f883ed2..673a796cf 100644
--- a/README.md
+++ b/README.md
@@ -166,8 +166,11 @@ and Docker.
 
 ### Requirements
 
-gVisor currently can only build and run on Linux. In addition, the following
-dependencies must be installed.
+gVisor currently can only build and run on x86\_64 Linux 3.17+. In addition,
+gVisor only supports x86\_64 binaries inside the sandbox (i.e., it cannot run
+32-bit binaries).
+
+In addition, the following dependencies must be installed:
 
 * [git][git]
 * [Bazel][bazel]