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https://github.com/vdsm/virtual-dsm.git
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38 lines
1.1 KiB
Bash
38 lines
1.1 KiB
Bash
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#!/bin/bash
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set -Eeuo pipefail
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KVM_ERR=""
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KVM_OPTS=""
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QEMU_CPU="qemu64,+ssse3,+sse4,+sse4.1,+sse4.2"
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if [ "$ARCH" == "amd64" ]; then
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if [ -e /dev/kvm ] && sh -c 'echo -n > /dev/kvm' &> /dev/null; then
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if ! grep -q -e vmx -e svm /proc/cpuinfo; then
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KVM_ERR="(vmx/svm disabled)"
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fi
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else
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[ -e /dev/kvm ] && KVM_ERR="(no write access)" || KVM_ERR="(device file missing)"
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fi
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if [ -n "$KVM_ERR" ]; then
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error "KVM acceleration not detected $KVM_ERR, this will cause a major loss of performance."
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error "See the FAQ on how to enable it, or skip this error by setting KVM=N (not recommended)."
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[[ "$KVM" != [Nn]* ]] && [[ "$DEBUG" != [Yy1]* ]] && exit 88
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[ "$CPU_MODEL" == "host"* ] && CPU_MODEL="$QEMU_CPU"
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else
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KVM_OPTS=",accel=kvm -enable-kvm"
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fi
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if [ "$CPU_MODEL" == "host" ]; then
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if ! grep -qE '^flags.* (sse4_2)' /proc/cpuinfo; then
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info "Your CPU does not have the SSE4.2 instruction set, it will be emulated.."
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CPU_MODEL="host,+ssse3,+sse4,+sse4.1,+sse4.2"
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fi
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fi
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else
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[ "$CPU_MODEL" == "host"* ] && CPU_MODEL="$QEMU_CPU"
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fi
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return 0
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