feat(kernel): Enable full preemption by default, reduces latency in c…

…ertain workloads.

system_files/desktop/shared/usr/libexec/bazzite-hardware-setup

@@ -7,7 +7,7 @@ IMAGE_FLAVOR=$(jq -r '."image-flavor"' < $IMAGE_INFO)
 FEDORA_VERSION=$(jq -r '."fedora-version"' < $IMAGE_INFO)
 
 # SCRIPT VERSION
-HWS_VER=45
+HWS_VER=46
 HWS_VER_FILE="/etc/bazzite/hws_version"
 HWS_VER_RAN=$(cat $HWS_VER_FILE)
 
@@ -134,6 +134,11 @@ if [[ ! $KARGS =~ "disable_ertm" ]]; then
   NEEDED_KARGS+=("--append-if-missing=bluetooth.disable_ertm=1")
 fi
 
+if [[ ! $KARGS =~ "preempt" ]]; then
+  echo "Adding needed kargs for full preemption"
+  NEEDED_KARGS+=("--append-if-missing=preempt=full")
+fi
+
 if [[ $KARGS =~ "nomodeset" ]]; then
   echo "Removing nomodeset"
   NEEDED_KARGS+=("--delete-if-present=nomodeset")