weizhouapache commented on issue #10009:
URL: https://github.com/apache/cloudstack/issues/10009#issuecomment-2954921329

   > [@weizhouapache](https://github.com/weizhouapache) Hello. I added 
LaunchSecurity block via extrahosts to enable SEV-SNP support. And I got the 
error:
   > 
   > LibvirtException org.libvirt.LibvirtException: unsupported configuration: 
'sev-snp' launch security is not supported with this QEMU binary
   > 
   > Are there any options for replacing tag values?
   > 
   > For example: cpu mode="custom" match="exact" check="full"> replace with 
cpu mode='host-model' check='none'/> And emulator>/usr/bin/qemu-system-x86_64 
replace with emulator>/home/user/sev-snp/qemu-system-x86_64
   
   for CPU mode, you can refer to 
https://docs.cloudstack.apache.org/en/latest/installguide/hypervisor/kvm.html#configure-cpu-model-for-kvm-guest-optional
   
   there is no way to customize the cpu. you can create symblink if all vms use 
the same virtual CPU


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