From 205d5f733f3683a7d97e7db4751a05ec2fd21cf4 Mon Sep 17 00:00:00 2001
From: Will McVicker <willmcvicker@google.com>
Date: Tue, 14 Sep 2021 16:08:45 -0700
Subject: [PATCH] ANDROID: GKI: Enable symbol trimming and strict mode

We will now un-export all symbols that are not in the symbol lists. We
will also require all the symbols in the symbol list to be exported.

Bug: 199945812
Signed-off-by: Will McVicker <willmcvicker@google.com>
Change-Id: I0dbc1fef6e68a75c9c8d6a01dbb1b8d30acc80ec
---
 build.config.gki.aarch64 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build.config.gki.aarch64 b/build.config.gki.aarch64
index c0e45a2f87dc..7cabed17450b 100644
--- a/build.config.gki.aarch64
+++ b/build.config.gki.aarch64
@@ -18,6 +18,9 @@ android/abi_gki_aarch64_virtual_device
 FILES="${FILES}
 arch/arm64/boot/Image.lz4
 "
+
+TRIM_NONLISTED_KMI=${TRIM_NONLISTED_KMI:-1}
+KMI_SYMBOL_LIST_STRICT_MODE=${KMI_SYMBOL_LIST_STRICT_MODE:-1}
 MODULES_ORDER=android/gki_aarch64_modules
 
 if [ -n "${GKI_DEFCONFIG_FRAGMENT}" ]; then