On 20/05/20 19:13, Stefan Hajnoczi wrote: > Hi, > libvirt refuses to set KVM_HINTS_DEDICATED when the CPU model is not > host-passthrough. > > Is there a reason for this limitation? > > My understanding is that KVM_HINTS_DEDICATED means the vCPU is pinned to > a host CPU that is not shared with other tasks. Any KVM vCPU should be > able to support this feature, regardless of whether host-passthrough is > used or not.
Perhaps it's because KVM_HINTS_DEDICATED enables mwait passthrough, and the details of mwait vary per CPU model? Paolo
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