On 13/12/2017 13:54, Peter Zijlstra wrote: >> + ++vcpu->stat.tlb_flush; >> + kvm_x86_ops->tlb_flush(vcpu, invalidate_gpa); > > WRT to PTI; how much does this actually invalidate? Does this invalidate > the _entire_ guest TLB, or only the current guest PCID? All the PCIDs. Paolo
