From: Zoltan HERPAI <wigyori@uid0.hu>
Date: Sat, 10 Feb 2018 18:16:37 +0000 (+0100)
Subject: x86: add preinit hook to reload microcode
X-Git-Tag: v18.06.0-rc1~1047
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=1ba6d59f2bbfbb7d7780b9d09a1f60c8c012ea1c;p=openwrt%2Fstaging%2Fxback.git

x86: add preinit hook to reload microcode

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
---

diff --git a/target/linux/x86/base-files/lib/preinit/02_load_x86_ucode b/target/linux/x86/base-files/lib/preinit/02_load_x86_ucode
new file mode 100644
index 0000000000..fb309c75c1
--- /dev/null
+++ b/target/linux/x86/base-files/lib/preinit/02_load_x86_ucode
@@ -0,0 +1,10 @@
+#!/bin/sh
+# Copyright (C) 2018 OpenWrt.org
+
+do_load_x86_ucode() {
+	if [ -e "/sys/devices/system/cpu/microcode/reload" ]; then
+		echo 1 > /sys/devices/system/cpu/microcode/reload
+	fi
+}
+
+boot_hook_add preinit_main do_load_x86_ucode