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mcctrl: use IHK OS notifiers to establish/tear down syscall channels

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This patch eliminates the need for rmmod/insmod the mcctrl module
every time an OS instance is rebooted.
This commit is contained in:
Balazs Gerofi
2016-07-11 16:22:50 +09:00
parent d135731398
commit 7d9bbecd7a
3 changed files with 83 additions and 54 deletions
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11
arch/x86/tools/mcreboot-smp-x86.sh.in
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@ -87,11 +87,6 @@ if [ "$cpus" == "" ]; then
if [ "$cpus" == "" ]; then echo "error: no available CPUs on NUMA node 0?"; exit; fi
fi
# Remove delegator if loaded
if [ "`lsmod | grep mcctrl`" != "" ]; then
if ! rmmod mcctrl; then echo "error: removing mcctrl"; exit; fi
fi
# Remove mcoverlay if loaded
if [ "$enable_mcoverlay" == "yes" ]; then
if [ "`lsmod | grep mcoverlay`" != "" ]; then
@ -137,6 +132,11 @@ else
fi
fi
# Load mcctrl if not loaded
if [ "`lsmod | grep mcctrl`" == "" ]; then
if ! insmod ${KMODDIR}/mcctrl.ko; then echo "error: inserting mcctrl.ko"; exit; fi
fi
# Check for existing OS instance and destroy
if [ -c /dev/mcos0 ]; then
# Query CPU cores and memory of OS instance so that the same values are used as previously
@ -160,7 +160,6 @@ if ! ${SBINDIR}/ihkosctl 0 assign mem ${mem}; then echo "error: assign memory";
if ! ${SBINDIR}/ihkosctl 0 load ${KERNDIR}/mckernel.img; then echo "error: loading kernel image"; exit; fi
if ! ${SBINDIR}/ihkosctl 0 kargs "hidos ksyslogd=${LOGMODE}"; then echo "error: setting kernel arguments"; exit; fi
if ! ${SBINDIR}/ihkosctl 0 boot; then echo "error: booting"; exit; fi
if ! insmod ${KMODDIR}/mcctrl.ko; then echo "error: inserting mcctrl.ko"; exit; fi
if ! chown `logname` /dev/mcd* /dev/mcos*; then echo "error: chowning device files"; exit; fi
if [ "$enable_mcoverlay" == "yes" ]; then