Add --ignore-msrs-always argument

quickemu

@@ -1,17 +1,17 @@
 #!/usr/bin/env bash
 export LC_ALL=C
 
-function ask_option_msrs() {
-  ignore_msrs=$(cat /sys/module/kvm/parameters/ignore_msrs)
-  if [ ${ignore_msrs} = "N" ]; then
-    while true ; do
-    read -p "Do you wish to set ignore_msrs now? (y/N)" msrs_response
-          case $msrs_response:0:1 in
-          [yY]* ) echo 1 | sudo tee /sys/module/kvm/parameters/ignore_msrs; break;;
-          * ) break ;;
-
-      esac
-    done
+function ignore_msrs_always() {
+  # Make sure the host has /etc/modprobe.d
+  if [ -d /etc/modprobe.d ]; then
+    # Skip if already 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
+    fi
+  else
+    echo "ERROR! /etc/modprobe.d was not found, I don't know how to configure this system."
+    exit 1
   fi
 }
 
@@ -873,6 +873,7 @@ function usage() {
   echo "You can also pass optional parameters"
   echo "  --delete                : Delete the disk image."
   echo "  --display               : Select display backend. 'sdl' (default), 'gtk' or 'spice'"
+  echo "  --ignore-msrs-always    : Configure KVM to always ignore unhandle machine-specific registers"
   echo "  --shortcut              : Create a desktop shortcut"
   echo "  --snapshot apply <tag>  : Apply/restore a snapshot."
   echo "  --snapshot create <tag> : Create a snapshot."
@@ -976,6 +977,9 @@ else
             fi
             shift
             shift;;
+          -ignore-msrs-always|0-ignore-msrs-always)
+            ignore_msrs_always
+            exit;;
           -snapshot|--snapshot)
             SNAPSHOT_ACTION="${2}"
             if [ -z "${SNAPSHOT_ACTION}" ]; then