On Tue, Oct 21, 2014 at 03:18:58AM +0000, Thomas Shao wrote: > > In some situation, the user is not able to enable guest VM to sync with external > time source, like NTP. But the host is still synced with a trusted time source. But the guest *is* networked, right? (Otherwise syncing the guest's clock is pointless.) > I've got some feedbacks from Richard and Mike, including reference NTP implementation > and do the adjustment in the host side. I've already referenced some NTP design in > my patch. I would consider my patch as a simplified implementation. I really don't think we want a half baked servo in some random driver. Instead, why not present the time difference using a standard interface? > I've also considered > the host side implementation. But in host, we can only set time but not gradually slew/adjust > time, Why not implement adjustment in the host? > which is not acceptable for the time sync solution.We still recommend user to configure > NTP on the guest, which provides better accuracy. But if NTP is not applicable, this could be > another option. You did not really answer any of my objections, nor did you consider the alternative ideas which I offered. Would you care to address those? Thanks, Richard _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel