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fix: KVM flag (#504)

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Kroese 2023-12-27 16:28:24 +01:00 committed by GitHub
parent 74629e4b55
commit 06f210846c
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1 changed files with 18 additions and 13 deletions
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31
src/cpu.sh
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@ -7,10 +7,11 @@ set -Eeuo pipefail
: ${CPU_MODEL:='host'}
: ${CPU_FEATURES:='+ssse3,+sse4.1,+sse4.2'}
KVM_ERR=""
KVM_OPTS=""
[ "$ARCH" != "amd64" ] && KVM="N"
if [[ "$ARCH" == "amd64" && "$KVM" != [Nn]* ]]; then
if [[ "$KVM" != [Nn]* ]]; then
KVM_ERR=""
if [ -e /dev/kvm ] && sh -c 'echo -n > /dev/kvm' &> /dev/null; then
if ! grep -q -e vmx -e svm /proc/cpuinfo; then
@ -21,24 +22,28 @@ if [[ "$ARCH" == "amd64" && "$KVM" != [Nn]* ]]; then
fi
if [ -n "$KVM_ERR" ]; then
KVM="N"
error "KVM acceleration not detected $KVM_ERR, this will cause a major loss of performance."
error "See the FAQ on how to enable it, or skip this error by setting KVM=N (not recommended)."
error "See the FAQ on how to enable it, or continue without KVM by setting KVM=N (not recommended)."
[[ "$DEBUG" != [Yy1]* ]] && exit 88
[[ "$CPU_MODEL" == "host"* ]] && CPU_MODEL="max,$CPU_FEATURES"
else
KVM_OPTS=",accel=kvm -enable-kvm"
fi
if [ -n "$KVM_OPTS" ]; then
if ! grep -qE '^flags.* (sse4_2)' /proc/cpuinfo; then
error "Your host CPU does not have the SSE4.2 instruction set that Virtual DSM requires to boot."
error "Disable KVM by setting KVM=N to emulate a compatible CPU, at the cost of performance."
[[ "$DEBUG" != [Yy1]* ]] && exit 89
fi
fi
if [[ "$KVM" != [Nn]* ]]; then
KVM_OPTS=",accel=kvm -enable-kvm"
if ! grep -qE '^flags.* (sse4_2)' /proc/cpuinfo; then
error "Your host CPU does not have the SSE4.2 instruction set that Virtual DSM requires to boot."
error "Disable KVM by setting KVM=N to emulate a compatible CPU, at the cost of performance."
[[ "$DEBUG" != [Yy1]* ]] && exit 89
fi
else
KVM_OPTS=""
if [[ "$CPU_MODEL" == "host"* ]]; then
if [[ "$ARCH" == "amd64" ]]; then
CPU_MODEL="max,$CPU_FEATURES"