Il 08/10/2014 12:06, Radim Krčmář ha scritto: > > > - why is host_initiated required? > > > Since if the guest writes to the MSR, it means it wants to rearm the TSC deadline. Even if the deadline passed, interrupt should be triggered. > > MSR isn't 0, so the deadline hasn't passed for the guest yet. > > > If the guest writes the same value on the deadline MSR twice, it might expect two interrupts. > > When guest writes to it without getting an interrupt first, it might > expect just one. (Which it better IMO.) Indeed that was my doubt as well. Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
