On 11/21/19 3:53 PM, Stefan Reiter wrote: > * query_understood_cpu_flags returns all flags that QEMU/KVM knows about > * query_supported_cpu_flags returns all flags that QEMU/KVM can use on > this particular host. > > To get supported flags, a temporary VM is started with QEMU, so we can > issue the "query-cpu-model-expansion" QMP command. This is how libvirt > queries supported flags for its "host-passthrough" CPU type. > query_supported_cpu_flags is thus rather slow and shouldn't be called > unnecessarily. > > Note that KVM and TCG accelerators provide different expansions for the > "host" CPU type, so we need to query both. > > Currently only supports x86_64, because QEMU-aarch64 doesn't provide the > necessary querying functions. > > Signed-off-by: Stefan Reiter <s.rei...@proxmox.com> > --- > PVE/QemuServer.pm | 118 +++++++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 117 insertions(+), 1 deletion(-) >
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