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Implement fallback for ignore_msrs_always function 

Implements fallback in the absence of 'update-initramfs' utility(the command fails on arch).
The counterpart on arch would be 'mkinitcpio'  (possibly mkinitcpio -p linux )
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iFixit 2026-07-03 14:13:44 -07:00 committed by GitHub
parent 82df57dadf
commit 4360977c78
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1 changed files with 38 additions and 1 deletions
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@ -12,7 +12,44 @@ function ignore_msrs_always() {
# Skip if ignore_msrs is already enabled, assumes initramfs has been rebuilt
if ! grep -lq 'ignore_msrs=Y' /etc/modprobe.d/kvm-quickemu.conf >/dev/null 2>&1; then
echo "options kvm ignore_msrs=Y" | sudo tee /etc/modprobe.d/kvm-quickemu.conf
sudo update-initramfs -k all -u
# Code to verify if user has update-initramfs(debian exclusive? absent on arch ?) or mkinitcpio(present on arch) utility present
flag=0;
man update-initramfs &>2
a="$(echo $?)"
# echo $a
if [[ $a -eq 0 ]]; then
flag=1;
else
man mkinitcpio &>2
a="$(echo $?)"
# echo $a
if [[ "$a" -eq 0 ]]; then
flag=2;
else
flag=3;
fi
fi
# echo $flag;
case "$flag" in
1)
sudo update-initramfs -k all -u
;;
2)
sudo mkinitcpio -p linux
echo "Ran mkinitcpio -p linux"
;;
3)
echo "ERROR! User does not have update-initramfs or mkinitcpio installed, please find out respective utility to update/regenrate intiramfs."
echo "Run respective command for 'sudo update-initramfs -k all -u'(debian) or 'sudo mkinitcpio -p linux'(arch)"
exit 1
;;
esac
fi
else
echo "ERROR! /etc/modprobe.d was not found, I don't know how to configure this system."