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only use fast kexec path

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Tobias Powalowski 2023-02-18 22:21:09 +01:00
parent 05e86fee37
commit 48cde6e33f
1 changed files with 8 additions and 14 deletions
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22
usr/lib/archboot/update-installer/update-installer.sh
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@ -368,25 +368,19 @@ _new_environment() {
grep -qw virtio_net /proc/modules && rmmod virtio_net
echo -e "\e[1mStep 09/10:\e[m Waiting for kernel to free RAM..."
echo " This will need some time..."
# you need approx. 3.39x size for KEXEC_FILE_LOAD
# wait until enough memory is available!
while true; do
if [[ "$(($(stat -c %s ${_RAM}/${_INITRD})*339/100000))" -lt "$(grep -w MemTotal /proc/meminfo | cut -d ':' -f2 | sed -e 's# ##g' -e 's#kB$##g')" ]]; then
[[ "$(($(stat -c %s ${_RAM}/${_INITRD})*200/100000))" -lt "$(grep -w MemAvailable /proc/meminfo | cut -d ':' -f2 | sed -e 's# ##g' -e 's#kB$##g')" ]] && break
else
[[ "$(($(stat -c %s ${_RAM}/${_INITRD})/1000))" -lt "$(grep -w MemAvailable /proc/meminfo | cut -d ':' -f2 | sed -e 's# ##g' -e 's#kB$##g')" ]] && break
fi
[[ "$(($(stat -c %s ${_RAM}/${_INITRD})/1000))" -lt "$(grep -w MemAvailable /proc/meminfo | cut -d ':' -f2 | sed -e 's# ##g' -e 's#kB$##g')" ]] && break
sleep 1
done
if [[ "$(($(stat -c %s ${_RAM}/${_INITRD})*339/100000))" -lt "$(grep -w MemTotal /proc/meminfo | cut -d ':' -f2 | sed -e 's# ##g' -e 's#kB$##g')" ]]; then
echo -e "\e[1mStep 10/10:\e[m Running \e[1;92mkexec\e[m with \e[1mnew\e[m KEXEC_FILE_LOAD..."
echo " This will need some time..."
kexec -s -f ${_RAM}/"${_VMLINUZ}" --initrd="${_RAM}/${_INITRD}" --reuse-cmdline &
else
echo -e "\e[1mStep 10/10:\e[m Running \e[1;92mkexec\e[m with \e[1mold\e[m KEXEC_LOAD..."
echo " This will need some time..."
kexec -c -f --mem-max=0xA0000000 ${_RAM}/"${_VMLINUZ}" --initrd="${_RAM}/${_INITRD}" --reuse-cmdline &
_MEM_MAX=""
# only needed on aarch64
if [[ ${_RUNNING_ARCH} == aarch64 ]]; then
_MEM_MAX="--mem-max=0xA0000000"
fi
echo -e "\e[1mStep 10/10:\e[m Running \e[1;92mkexec\e[m with \e[1mKEXEC_LOAD\e[m..."
echo " This will need some time..."
kexec -c -f ${_MEM_MAX} ${_RAM}/"${_VMLINUZ}" --initrd="${_RAM}/${_INITRD}" --reuse-cmdline &
sleep 2
_clean_kernel_cache
rm ${_RAM}/{"${_VMLINUZ}","${_INITRD}"}