KVM acceleration check

if [ -e /dev/kvm ] && sh -c 'echo -n > /dev/kvm' &> /dev/null; then

  if [[ $(grep -e vmx -e svm /proc/cpuinfo) ]]; then

    KVM_ACC_OPTS=",accel=kvm -enable-kvm -cpu host"

    KVM_ACC_OPTS="-machine type=q35,usb=off,accel=kvm -enable-kvm -cpu host"

  fi

fi

[ -z "${KVM_ACC_OPTS}" ] && echo "WARNING: KVM acceleration is disabled..."

[ -z "${KVM_ACC_OPTS}" ] && echo "Error: KVM acceleration is disabled.." && exit 88

RAM_SIZE=$(echo "${RAM_SIZE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')

EXTRA_OPTS="-nographic -object rng-random,id=rng0,filename=/dev/urandom -device virtio-rng-pci,rng=rng0 -device virtio-balloon-pci,id=balloon0,bus=pcie.0,addr=0x4"

ARGS="-m ${RAM_SIZE} -smp ${CPU_CORES} -machine type=q35,usb=off${KVM_ACC_OPTS} ${EXTRA_OPTS} ${KVM_MON_OPTS} ${KVM_SERIAL_OPTS} ${KVM_NET_OPTS} ${KVM_DISK_OPTS}"

ARGS="-m ${RAM_SIZE} -smp ${CPU_CORES} ${KVM_ACC_OPTS} ${EXTRA_OPTS} ${KVM_MON_OPTS} ${KVM_SERIAL_OPTS} ${KVM_NET_OPTS} ${KVM_DISK_OPTS}"

set -m

(