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From: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
Date: Fri, 21 Jul 2017 19:59:33 +0200
Subject: [PATCH] lib.sh: Use host-passthrough when spawning VMs
virsh defaults to using "host-model" instead of "host-passthrough",
which not only might lead to a small performance hit on x86, it is
also causing compatibility issues with libvirt 3.x.
Address this by explicitly requesting "host-passthrough" as the
CPU model for virt-install.
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
---
mcp/scripts/lib.sh | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mcp/scripts/lib.sh b/mcp/scripts/lib.sh
index b75e47e..55df750 100644
--- a/mcp/scripts/lib.sh
+++ b/mcp/scripts/lib.sh
@@ -67,7 +67,7 @@ create_vms() {
# create vms with specified options
for node in "${vnodes[@]}"; do
- virt-install --name ${node} --ram ${vnodes_ram[$node]} --vcpus ${vnodes_vcpus[$node]} --cpu host --accelerate \
+ virt-install --name ${node} --ram ${vnodes_ram[$node]} --vcpus ${vnodes_vcpus[$node]} --cpu host-passthrough --accelerate \
--network network:pxe,model=virtio \
--network network:mgmt,model=virtio \
--network network:internal,model=virtio \
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