On 02/07/14 12:03, Paolo Bonzini wrote: > Il 05/02/2014 12:02, Peter Krempa ha scritto: >> Add a new <timer> for the HyperV reference time counter enlightenment >> for Windows guests. >> >> This feature provides a paravirtual approach to track timer events for >> the quest (similar to kvmclock). > > RTC can be confusing because the same acronym expands to both "real-time > clock" and "reference time counter". I was confused too, when I saw it the first time. > > By the way, the same <timer> will drive two things: the reference time > counter, and the reference TSC page. In current kernels, the reference > TSC page just tells the guest "use the reference time counter", but this > can be changed in the future without breaking the guest ABI. That's right, the feature is actually backwards compatible to a great extent and even tolerates the iTSC vanishing at migration. This makes our lives really easier. > > So, what about naming it hv_clock or hyperv_clock or hyperv_ref? hyperv_clock then. DanPB was concerned that hv could mean "hypervisor" to some people. > > Paolo > Thanks for the feedback. Peter
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