From: Michal Sojka <michal.sojka@cvut.cz>
Date: Thu, 17 May 2018 11:45:24 +0000 (+0200)
Subject: Switch off Denver cores before starting Jailhouse
X-Git-Tag: 0.0~15
X-Git-Url: https://rtime.felk.cvut.cz/gitweb/hercules2020/jailhouse-build.git/commitdiff_plain/619e33ed56c175cc9d9ce87e3bea6a453b292794

Switch off Denver cores before starting Jailhouse

Jailhouse either crashes or hangs without this.
---

diff --git a/build/rootfs-overlay/etc/init.d/S20jailhouse.sh b/build/rootfs-overlay/etc/init.d/S20jailhouse.sh
index d3f988c..a4ddc36 100644
--- a/build/rootfs-overlay/etc/init.d/S20jailhouse.sh
+++ b/build/rootfs-overlay/etc/init.d/S20jailhouse.sh
@@ -7,7 +7,10 @@ case "$1" in
     start)
 	printf "Starting Jailhouse: "
 	modprobe jailhouse
-	taskset 1 jailhouse enable /jailhouse/configs/jetson-tx2.cell
+	# Switch off Denver cores
+	echo 0 > /sys/devices/system/cpu/cpu1/online
+	echo 0 > /sys/devices/system/cpu/cpu2/online
+	jailhouse enable /jailhouse/configs/jetson-tx2.cell
 	[ $? = 0 ] && echo "OK" || echo "FAIL"
 	;;
     stop)