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mcoverlayfs: supported only Linux kernel 4.0

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This commit is contained in:
Yoichi Umezawa
2016-06-03 18:36:55 +09:00
parent 14ec92518e
commit d0ee60f9e3
3 changed files with 29 additions and 13 deletions
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19
arch/x86/tools/mcreboot-smp-x86.sh.in
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@ -59,9 +59,18 @@ mem="512M@0"
cpus=""
ihk_ikc_irq_core=0
kernel_release=`uname -r`
enable_mcoverlay=`if [[ ${kernel_release} =~ ^4.* && "${ENABLE_MCOVERLAYFS}" == "yes" ]]; then echo "yes"; fi`
release=`uname -r`
major=`echo ${release} | sed -e 's/^\([0-9]*\).*/\1/'`
minor=`echo ${release} | sed -e 's/^[0-9]*.\([0-9]*\).*/\1/'`
patch=`echo ${release} | sed -e 's/^[0-9]*.[0-9]*.\([0-9]*\).*/\1/'`
linux_version_code=`expr \( ${major} \* 65536 \) + \( ${minor} \* 256 \) + ${patch}`
rhel_release=`echo ${release} | sed -e 's/^[0-9]*.[0-9]*.[0-9]*-\([0-9]*\).*/\1/'`
if [ "${release}" == "${rhel_release}" ]; then rhel_release=""; fi
if [ "${ENABLE_MCOVERLAYFS}" == "yes" ]; then
enable_mcoverlay=`if ( [ ${linux_version_code} -ge 262144 ] && [ ${linux_version_code} -lt 262400 ] ); then echo "yes"; else echo "no"; fi`
else
enable_mcoverlay=no
fi
if [ "$cpus" == "" ]; then
# Get the number of CPUs on NUMA node 0
@ -79,7 +88,7 @@ if [ "`lsmod | grep mcctrl`" != "" ]; then
fi
# Remove mcoverlay if loaded
if [ "$enable_mcoverlay" != "" ]; then
if [ "$enable_mcoverlay" == "yes" ]; then
if [ "`lsmod | grep mcoverlay`" != "" ]; then
if [ "`cat /proc/mounts | grep /tmp/mcos/mcos0_sys`" != "" ]; then umount -l /tmp/mcos/mcos0_sys; fi
if [ "`cat /proc/mounts | grep /tmp/mcos/mcos0_proc`" != "" ]; then umount -l /tmp/mcos/mcos0_proc; fi
@ -149,7 +158,7 @@ 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" != "" ]; then
if [ "$enable_mcoverlay" == "yes" ]; then
if [ ! -e /tmp/mcos ]; then mkdir -p /tmp/mcos; fi
if ! mount -t tmpfs tmpfs /tmp/mcos; then echo "error: mount /tmp/mcos"; exit; fi
if [ ! -e /tmp/mcos/linux_proc ]; then mkdir -p /tmp/mcos/linux_proc; fi